User s Guide PRC PRENTKE ROMICH COMPANY v1.4

Transcription

1 User s Guide PRC PRENTKE ROMICH COMPANY 16440v1.4

2 Acknowledgements Data can be uploaded from this unit to a personal computer for storage on a hard disk, CD, or other storage medium. Be sure to make multiple copies of all important data to protect against accidental loss. Accent, NuEye and NuVoice are trademarks of Prentke Romich Company NuEye is a product developed in collaboration with SensoMotoric Instruments GmbH (SMI) Minspeak and Unity are registered trademarks of Semantic Compaction Systems, Inc. in the United States and in other countries. Semantic Compaction is a trademark of Semantic Compaction Systems, Inc. Digital photos by Gary Yasaki, Yasaki Photographic, and Doug Miller, Holmes County Photography ELECTRONIC INTERFERENCE INFORMATION This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning! Changes or modifications to this product which are not authorized by Prentke Romich Company could exceed FCC limits and negate your authority to use this product. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. You can determine whether this product is causing interference in your radio or television by turning this product off. If the interference stops, it was probably caused by this product or one of its accessories. You can attempt to correct the interference by using one or more of the following measures: Turn the television or radio antenna until the interference stops. Move this product to one side or the other of the television or radio. Move this product farther away from the television or radio. Plug this product into an outlet that is on a different circuit from the television or radio; that is, this product should be controlled by different circuit breakers/fuses from the television or radio. If necessary, contact a Prentke Romich Company service technician for assistance. This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la classe B respect toutes les exigences du Règlement sur le matériel brouiller du Canada. NuEye (RED-oem) The RED-oem (NuEye) fulfills the following regulatory directives and standards which are relevant for CE. Directives: 2004/108/EEC; 2006/95/EEC; 93/68/EWG; and Standards: EN :2002; EN :2007; EN 62471: ; EN CE ENVIRONMENTAL INFORMATION: Use: 0 o - 45 o C; Storage: (-20 o ) - 50 o C; 95% maximum relative ambient temperatures less than 40 o C. Attention! Consult accompanying documents. This device not intended to be an emergency call device or sole communication aid. Warnings! When operating this device in a medical environment, do not use with any product that is not medically approved. Follow all rules for appropriate cell phone and wireless device use. Any mounts used should be fitted by a qualified person. Failure to install the mounting system according to the manufacturer's instructions may result in an injury to the user Prentke Romich Company. All rights reserved. Under copyright laws this document may not be copied, in whole or in part, without the written consent of the Prentke Romich Company. PRC HEADQUARTERS PRC INTERNATIONAL 1022 Heyl Rd Wooster, OH Liberator Ltd Telephone: ( (800) Whitegates, High Street Fax: (330) Swinstead, Lincolnshire NG33 4PA UK Address: info@prentrom.com Telephone: +44 (0) Web Site Address: Fax: +44 (0) Address: info@liberator.co.uk Web Site Address: NuEye User s Guide 2

3 Contents Getting Started... 5 About Positioning Your Device... 6 Accessing Eyegaze Settings... 7 Eyegaze Positioning... 8 Using the Eyegaze Positioning Screen... 8 Using the Track Status Box Selecting and Loading a Profile Calibrating NuEye for a Client Calibrate Now Changing the Calibration Stimulus Eyegaze Access Method Menu Options Pause/Resume Calibrate Now Eyegaze Positioning Eye Track Status Track Status Size Manage Eyegaze Profiles Load Eyegaze Profile Save Current Settings and Calibration to a Profile Delete Eyegaze Profile Pause/Resume Customize Eyegaze Settings Selection Type Copy Current Settings to All Areas Calibration Settings Pointer Settings Tracking Settings Advanced Settings Reset Eyegaze Settings to Default Off-Screen Key Settings Activate Text Area Appendix A: Mounting NuEye on an Accent Appendix B: Mounting NuEye on an Accent 1200 or 1200-M First Steps Attaching the Bracket to the Device Mounting the NuEye Unit on the Bracket Appendix C: Mounting NuEye on an Accent 1000 or 1000-M Reviewing the NuEye Kit Preparing to Attach the Bracket Attaching the Bracket to the Device Mounting the NuEye Unit on the Bracket Appendix D: Positioning Examples Appendix E: Cleaning the NuEye Unit NuEye User s Guide 3

4 16440v1.4 03/04/2015 NuEye User s Guide 4

5 Getting Started If the NuEye tracking unit did not come already mounted on your communication device, you must mount it before you can start using eyegaze. For instructions on mounting a NuEye unit on an Accent 1400, see Appendix A on page 27 For instructions on mounting a NuEye unit on an Accent 1200 or 1200-M, see Appendix B on page 28. For instructions on mounting a NuEye unit on an Accent 1000 or 1000-M, see Appendix C on page 31. Recommendation While the client is getting used to the NuEye system, take frequent breaks to rest the client s eyes and relax his or her concentration. NuEye User s Guide 5

6 About Positioning Your Device The positioning of the eyegaze system in relation to the client is extremely important. The goal of positioning is to achieve a stable eye image for NuEye to track. Because of this, you will probably need to try out different positions. Appendix D on page 34 contains images of correct and incorrect positioning. You may find these images helpful as you set up the NuEye system. NuEye System Parameters The NuEye has an imaginary "eyebox" that measures approximately 10" x 12" x 9". As long as the client s eyes are within this area, they are in the view range of the NuEye system. At this time the client should be positioned somewhere between 18 and 30 inches from the Accent display screen. If the client moves in and out of the view area, the system will "remember" him or her. This means that once you set up the system you should not have to recalibrate it because of the client s body movement. Imaginary Eyebox (or Gazing Area) NuEye User s Guide 6

7 Being able to meet these positioning requirements will help you achieve success with the NuEye system: One eye (preferably two) within the eyebox. The client should be at least 18 inches from the Accent display screen but can be as far away as 30 inches. The client s nose must be aimed at, or slightly above, the midpoint or upper 2/3rds of the display screen. The client s face must be straight-on and/or parallel to the display screen. If the client is tilted due to positioning or posture, the Accent must be tilted at a similar angle so that his or her face is directly in front of and at least 18 inches away from the display. There can be no obstructions between the client s face and the Accent and NuEye system. Mount the device with the eyegaze unit on a wheelchair mount or table stand. Accessing Eyegaze Settings If this is the first time the Accent has been turned on, make sure the battery charger is plugged in. 1. Press the power button on the top of the case to turn your device on. The NuVoice application will open. 2. In NuVoice, open the Toolbox by selecting the Tools key on the front of the device or select the Tools key to the right of the text display area. 3. Select the Toolbox key from the small Tools menu that appears. 4. Select Access Method Menu from the Toolbox. 5. From the Access Method Menu, select Choose Different Access Method. 6. Select Eyegaze. The Access Method Menu will display Current Access Method: Eyegaze. NuEye User s Guide 7

8 Eyegaze Positioning Appendix D on page 34 contains images of correct and incorrect positioning. You may find these images helpful as you set up the NuEye system. Using the Eyegaze Positioning Screen From the Access Method Menu, select Eyegaze Positioning. The screen shows what the NuEye unit sees. When eyegaze is active, the Track Status box to the right of the image is green. To pause eyegaze, touch the Track Status box. The box turns red. To resume using eyegaze, touch the box again. Track Status box OK Button The options below the Track Status box allow you to control how feedback is displayed. Tracking Status Graphics Pupil Markers Glint Markers When Tracking Status Graphics is turned on, two small white ovals show the positioning of the client s eyes and positioning dots appear on the outer edges of the Track Status box to indicate correct or incorrect positioning. These dots assist you in correcting the positioning. When Tracking Status Graphics is turned off, only the two small ovals appear. When Pupil Markers is turned on, a small cross appears over each of the client s pupils. When Glint Markers is turned on, small dots indicate points of reflective glare. When necessary, make adjustments by using either or both of the following methods: Loosen and tighten the screws on the device mount to alter the position of the eyegaze unit until you see two solid white ovals in the Track Status box. Reposition the client s head slightly until you see two solid white ovals in the Track Status box. NuEye User s Guide 8

9 When the positioning is correct, select the OK button in the bottom right of the display to exit the menu. Correct Positioning Hint: When you want to pause the eyegaze system but still be able to make menu selections, touch the Track Status box or select the Pause/Resume button on the Access Method Menu. Touch the box or select Pause/Resume again to resume using eyegaze. Touch the display to make selections. NuEye User s Guide 9

10 Using the Track Status Box When Eye Track Status is set to On in the Eyegaze Access Method Menu, the Track Status box appears to the right of the status area. The Track Status box provides positioning feedback. The options below the box allow you to view more detailed feedback. Horizontal positioning marker Distance markers: Vertical positioning marker Graphical representation Numerical representation Eyegaze positioning markers Eyegaze Positioning Markers The two white oval eyegaze markers track the client s basic position relative to the display. When positioning is correct, the eyes are level and both markers are white. The image to the left of the box will show most of the top of the nose to the tip and a normal amount of nostrils. When one of the markers is white and the other is faded, the client s head is turned at an angle so that the eyes are not equidistant from the display. Reposition the client or device until both markers are white. Horizontal and Vertical Positioning Markers When Tracking Status Graphics is turned on: Horizontal and vertical positioning are correct when the white dots are positioned in the center of the top and right sides of the box. When the positioning is off, reposition the client or device gradually until the markers are centered on their respective sides. When Tracking Status Graphics is turned off: The horizontal and vertical positioning markers are not visible. Distance Markers When Tracking Status Graphics is turned on: The Track Status box shows the distance the client s eyes are from the display. The distance is displayed in small numbers in the bottom left corner of the box and displayed graphically by a segmented bar. The distance must be between 18 and 30 inches. When the dot is positioned toward the top of the bar, the client is near the minimum distance. When the dot is positioned toward the bottom of the bar, the client is near the maximum distance. When the optimal distance is attained, the dot will be at or near the center of the bar. When Tracking Status Graphics is turned off: The distance markers are not visible. NuEye User s Guide 10

11 When Only One Active Eye Can be Tracked 1. Select OK at the bottom right of the display to exit from the Eyegaze Positioning menu. 2. Select Customize Eyegaze Settings. 3. Select Calibration Settings. 4. In the Active Eye option, use the arrows to select Left Only or Right Only as the Active Eye. 5. Select OK to exit this menu. 6. Select OK to exit the next menu. 7. Select Eyegaze Positioning from the Eyegaze menu and begin to position the client and device. When the Client is Wearing Glasses Initially, when positioning the NuEye unit for a client who wears glasses, you will most likely see dots around the eyes if the Glint Markers option is turned on. These indicate that the eyegaze unit is seeing only the reflections from the client s glasses. In this case, you must work at positioning the client and/or device until there is no glare coming from the glasses and the Track Status box shows you some feedback. When you are satisfied with the positioning, select the OK key in the bottom right of the display. NuEye User s Guide 11

12 Selecting and Loading a Profile The NuEye system has several pre-defined profiles that you can choose from to help the client get started. These profiles contain eyegaze settings that have been selected to match the profile name. For example, if the client has never used an eyegaze system before, the Beginner profile might work the best. If the client has some experience using eyegaze, try Novice or Typical. 1. From the Eyegaze Access Method Menu, select Manage Eyegaze Profiles. 2. Select Load Eyegaze Profile. 3. Select the profile that best applies to the client. 4. A yellow box will ask if you want to copy these eyegaze settings to all areas. If you select No, the settings will be copied only to the area you are currently using. For now, we suggest you select No. If you select Yes, the settings will be copied to all user areas. You will also be asked if you want to set all areas to eyegaze access. If you select Yes, eyegaze access will be applied to all user areas. 5. Select OK to exit the Profiles menu and return to the Access Method Menu. You can pause the eyegaze system by selecting the Access Method Menu s Pause/Resume key. Select the key again to resume eyegaze. Touch the screen to make selections. NuEye User s Guide 12

13 Calibrating NuEye for a Client Calibrate Now 1. From the Access Method Menu, select Calibrate Now. A solid colored screen will appear and the client will be shown a sequence of stimulus points. 2. Have the client focus on the center of each point with his or her eyes as it moves across the screen. It may take a few tries to get the client used to following the stimulus points. If the client has a difficult time following the default calibration stimulus, see the next section, Changing the Calibration Stimulus. 3. When the calibration is complete, you will return automatically to the Eyegaze Access Method Menu. If the calibration is successful you will see Calibration complete in a yellow information box. If the calibration does not complete successfully, a yellow information box will tell you so. 4. Select OK to exit the Eyegaze Access Method Menu. To cancel a calibration, select Cancel in the lower right corner of the screen. Recommendation While the client is getting used to the NuEye system, take frequent breaks to rest the client s eyes and relax his or her concentration. NuEye User s Guide 13

14 Changing the Calibration Stimulus If the client has a difficult time following the default calibration stimulus, select a different stimulus. 1. From the Access Method Menu, select Customize Eyegaze Settings. 2. Select Calibration Settings. 3. Select the Stimulus Type: Point, Point 2, Cross, or Image. For descriptions of the stimulus types, see Stimulus Types under Calibration Settings on page If necessary, use the Stimulus Size option to increase or decrease the size of the point, cross, or image. The smaller the stimulus, the more accurate the calibration. 5. Use Active Eye to select Both; Both, Use Left; Left Only; Both, Use Right; or Right Only. 6. Set Stimulus Speed to Very Slow, Medium, Fast, or Very Fast. 7. Set Stimulus Sound to No (no sound); Standard Beep; Sound 1, Sound 2, Sound 3, or Sound 4. If you select one of the four Sound options, you will hear a preview of that sound. Continue through the options until you hear the sound you want. 8. When you have selected a stimulus and any other options you want, select OK, and then select Calibrate Now and try again. 9. When your calibration is completed, select OK to exit the Eyegaze menu. 10. Select Go To Home in the Toolbox to go to your Core or Home page and begin to use eyegaze. If You Are Having Problems Using the System If some of the eyegaze settings in the profile you selected are not exactly right for the client, you can customize these settings. 1. Go to the Toolbox and select Access Method Menu. 2. Select Eyegaze. 3. Select Customize Eyegaze Settings. Selection Type and Dwell Time are the settings that typically need to be changed. For explanations of all the options, see Customize Eyegaze Settings on page 19. Eyegaze Access Method Menu Options Pause/Resume Use this option to stop and re-start eyegaze while you make adjustments to the settings and options, or if you need to look longer at a screen or menu. Touch the screen to activate keys when eyegaze is paused. When eyegaze is set to Pause, the Track Status box is red. When eyegaze is turned on, the Track Status box is green. See Eyetrack Status and Track Status Size on page 16 to learn about the Track Status box. NuEye User s Guide 14

15 To Pause Eyegaze Method 1 Eyegaze Access Method Menu Use the Pause/Resume key in the Eyegaze Access Method menu. Have the client gaze at (or press) the Pause/Resume option to set or release Pause. Method 2 Touch the Track Status Box When Eye Track Status is turned on in the Eyegaze Access Method Menu, the Track Status box is visible. Touch the Track Status box to Pause eyegaze. Touch it again to resume using eyegaze. Method 3 Front Panel of Device Case Have the client gaze directly at the infrared area on the front panel of the device case until Pause or Resume is selected. Paused or Active will appear on the display. Method 4 Disable Pointer Insertable Tool Assign the insertable tool Disable Pointer to a key. Press the key to set Pause. Press it again to set Resume. See the Store/Assign Tools chapter in your device Help for information about assigning Tools to keys. Calibrate Now Calibration gives the NuEye system the information it needs to track the client s gaze. Select Calibrate Now to start the calibration process. A solid colored screen will appear and the client will be shown a sequence of stimulus points. Have the client focus on the center of each point with his or her eyes as it moves across the screen. When the calibration is complete, the system will return to the Eyegaze Access Method Menu and be ready for use. Default calibration settings will be used unless you change them in the Calibration Settings. See page 20; see also Calibrate Now on page 13. Eyegaze Positioning When you select this key, you will see what the eyegaze system and the Track Status box are seeing. This option will be of most use to the person aligning and setting up the eyegaze system. When positioning is correct, two very small dots appear near each of the client s pupils. The Track Status box will show two white circles. No arrows or grey circles will be displayed in the Track Status box. When you are using the Positioning option, the Track Status box is always visible. Positioning is explained in detail at the beginning of this manual, and examples can be found in Appendix D on page 34. NuEye User s Guide 15

16 Eye Track Status When Eye Track Status is set to On in the Eyegaze Access Method Menu, the Track Status box appears to the right of the status area. The Track Status box contains two dots that represent how the system sees your eyes. This can be a useful tool in helping you to see that the system is tracking your eyes correctly. If you want a larger Track Status box, see the next section, Track Status Size. When Eyetrack Status is turned on and you are using the eyegaze system, the Track Status box is green. If you pause the eyegaze system, the Track Status box turns red. Touch the Track Status box to pause eyegaze. Touch it again to resume using eyegaze. Track Status Size The Track Status Size option controls the size of the Track Status box. Small places the Track Status box over the Help key to the right of the status area. Large increase the size of the box and places it on the left side of the screen. NuEye User s Guide 16

17 Manage Eyegaze Profiles An eyegaze profile consists of a combination of the eyegaze settings you have selected from the Customize Eyegaze Settings menu and the actual data from the calibration you performed. There are also several pre-defined profiles that you can select from when you first set up your eyegaze system. You can also create and save profiles of your own. To manage profiles, select Manage Eyegaze Profiles from the Eyegaze Access Method Menu. Load Eyegaze Profile Several pre-defined profiles are available. These contain eyegaze settings that have the best chance of working well for a beginner or advanced client. When you first set up your system, you may find it easier to select one of these profiles to use while the client is learning the system. The Load Eyegaze Profile key allows you to load any of these pre-defined profiles or a profile that you created and saved to a USB flash drive. The flash drive must be plugged into your device in order to do this. 1. From the Eyegaze Access Method Menu, select Manage Eyegaze Profiles. 2. Select Load Eyegaze Profile. 3. Select the profile that best applies to the client. If the client has never used an eyegaze system before, select Beginner. 4. You will see a yellow box asking if you want to copy these eyegaze settings to all areas. If you select No, the settings will be copied only to the area you are currently using. If the client is a beginner or novice, we suggest you select No. If you select Yes, the settings will be copied to all user areas in the device. You will also be asked if you want to set all areas to eyegaze access. If you select Yes, you will be using eyegaze access in each area in the device. 5. Select OK to exit the Profiles menu and return to the Eyegaze Access Method Menu. NuEye User s Guide 17

18 Save Current Settings and Calibration to a Profile This key allows you to save an eyegaze profile to the default Profiles location in your device or to a USB flash drive. 1. From the Eyegaze Access Method Menu, select Manage Eyegaze Profiles. 2. Select Save Current Settings and Calibration to a Profile. 3. After saving a profile, select Load Eyegaze Profile to load the profile into a user area at any time. If you are working with multiple clients using one device, you may want to save the eyegaze profiles of your clients. Then you can simply load each client s profile into a user area (or globally if that was selected as the Eyegaze Calibration option). Important Information on Resetting to Factory Defaults If you need to reset your device to the factory defaults (select Reset to Factory Defaults from the Maintenance Menu) and you want to keep your calibration, you must save your eyegaze profile to a USB flash drive before you reset the device. After resetting your device, select Load Eyegaze Profile to reload the profile. If you use profiles, it s a good idea to save them to a flash drive as a backup. Delete Eyegaze Profile This key allows you to delete any profiles that you no longer use. Pause/Resume This key allows you to pause eyegaze so you can read the options, and then resume when you are ready. NuEye User s Guide 18

19 Customize Eyegaze Settings Selecting Customize Eyegaze Settings from the Eyegaze Access Method Menu opens the Customize Eyegaze Settings menu. Selection Type Selection Type provides Auto, Blink, and Switch options. Selecting one of these options displays one or two related options. Auto When Auto is selected, the device makes key selections automatically. When Auto is selected, the Dwell Time option is displayed. After the dwell time you set passes, the device automatically selects the key the client is looking at. When necessary, use the arrow keys to set a longer or shorter dwell time. Blink When Blink is selected, the client can blink to make a selection. When Blink is selected, the Minimum Blink Duration and Maximum Blink Duration options are displayed. You must set both minimum and maximum blink durations. The defaults are.30 for minimum and.80 for maximum. If you want to use Blink, try using the defaults first before you change anything. If you need to change the defaults, follow these guidelines. The minimum duration should be long enough that normal blinks do not activate anything. The maximum duration should be long enough that the client finishes a selection blink before reaching the maximum time. You do not want to make the maximum duration time so long that, if the client turns his or her head away from the display screen and then brings it back, the system sees that as an activation. Four seconds would be too long for a maximum duration for most people. NuEye User s Guide 19

20 Switch When Switch is selected, you can plug in and use a single switch to make key selections. When Switch is selected, the Acceptance Time option is displayed. The client looks at the key he or she wants and presses and holds the switch. When the acceptance time you set passes, the key will be activated. Predictive Selection Predictive Selection works best with Unity MAPs and vocabulary. When Predictive Selection is turned on, keys that do not produce messages are turned off. If you touch or scan to them, nothing will happen. Only keys that contain or are part of actual stored messages will work. Auto Repeat This option lets you choose how fast a key will repeat itself when you hold it down. Copy Current Settings to All Areas This copies all your eyegaze settings except the actual calibration to all the user areas in your device. When you select this option, you will see a yellow information box asking if you want to do this. Respond Yes to use your settings in every area or select No to keep your settings in your current area only. For information about using a specific calibration in one or more user areas, see Eyegaze Calibration on page 22. Calibration Settings If you aren t getting good calibration results using the defaults, use the options in this menu to refine the settings, then try again. Stimulus Type The stimulus is the item the client s eyes will focus on as it moves around the display during calibration. Point Point 2 Cross Image A small circle A small circle with a dot in the center A small cross with a dot in the center An icon or picture that you select. An icon or image is helpful if the client has difficulty looking at a specific point or is better motivated by a personal image. If you select Point, Point 2, or Cross, you can also change the pointer color. NuEye User s Guide 20

21 If you want to use an image, the first time you select this option you will see a yellow box asking, Use Icon? If you select Yes, you are taken to the Icon Categories page where you can select the icon you want to use. The icon shows up on your Calibration Settings screen to remind you what image you have selected. You will also see a new option, Change Image. Use this if you decide you want a different Icon. If you select No to Use icon? a screen listing your drives and folders will open. You can select any image (or picture) you already have stored on your device or you can import an icon or picture stored on a USB flash drive (the flash drive must be plugged into your device). Stimulus Size The Stimulus Size option increases or decreases the size of the stimulus type you selected. 20 is the default a small size. For the best calibration results you want the stimulus size to be as small as the client s eyes can easily follow. Active Eye If both of the client s eyes function normally, select Both. If only one eye is active, or if one eye functions better than the other, select Right or Left depending on which is the good eye. The eyegaze system will calibrate using the good eye. Stimulus Sound The Stimulus Sound option sets the sound the client will hear as the stimulus moves around the display. Available settings are No (no sound); Standard Beep; Sound 1, Sound 2, Sound 3, or Sound 4. If you select one of the four Sound options, you will hear a preview of that sound. Continue through the options until you hear the sound you want. Keyboard Step-through When Keyboard Step-through is set to No, calibration proceeds automatically through the gaze-points. The client will hear a sound (if a stimulus beep or sound is selected), and the stimulus will move automatically to the next gaze-point. If you select Yes, Use Spacebar is displayed for Keyboard Step-through. With this setting, you must connect a USB keyboard to the device. The setting allows the partner to step the client through calibration by pressing the Spacebar on a keyboard when the client is gazing at the stimulus. Calibration Points The Calibration Points option indicates how many gaze-points on the screen the stimulus will jump to during calibration. In general, the more points the client must follow, the more accurate the eyegaze system will be. However, if the client can easily lock onto only two points, you may find that this produces good enough results. NuEye User s Guide 21

22 Calibration Area With the default calibration area (100%), the eyegaze system will display gaze-points to look at during calibration. Some of these gaze-points will be at the very edges of the display screen and may be difficult to see or focus on. If you find this to be true for the client, decrease the calibration area. This will move the calibration points in from the edges of the screen. We suggest you start decreasing in increments of five (95%, 90%, etc.). Reducing the calibration area decreases the screen size, which means that some accuracy will be lost. Select Background Color The Select Background Color option allows you to change the background color of the calibration screen. You want the client to see calibration points easily. Selecting a background color that does not contrast well with the default light grey screen color may make it difficult for NuEye to lock onto the client s eyes when he or she is using the default display. Pupil size may change due to the difference in color. Select Pointer Color The Select Pointer Color option allows to you to change the color of the pointer you selected. You want the client to see the pointer easily, so select a color that contrasts well with the background color. Eyegaze Calibration Select Global if you want your calibration to be used in all user areas. Select Per User Area if you want to perform a separate calibration for each user area. If you want all your other eyegaze settings copied to all user areas, select Copy Current Settings to All Areas under Customize Eyegaze Settings. Validate After Calibration Select Yes if you want to see calibration results at the end of a calibration. Select No if you do not want the calibration validated. Validation Results If you select Text, then perform a calibration, four extra points will be available to look at. At the end of the calibration, an information box will describe the accuracy of the calibration, showing the deviation in degrees of the X axis and Y axis. The lower the numbers, the more accurate the calibration. If you select Graphic, you will see a graphic representation of the calibration results. Show Last Validation Results If you want to see the results of the most recent calibration, select Show Last Validation Results. Validate Now If you select Validate Now, you will perform an immediate calibration. At the end of the validation you will see the results in either a textual or graphical format. NuEye User s Guide 22

23 Pointer Settings Highlight Keys When Highlight Keys is set to On, the Highlight Settings key is active and each key the cursor moves to is highlighted according to those settings. Highlight Settings Use the highlight settings to configure a colored outline or colored fill for key highlighting. When you select Highlight Settings, the Highlight Settings Menu displays the options Highlight Style, Outline width, Outline Color, and Fill Color. It also provides a preview of how a key will look with a particular style of highlight applied to it. Highlight Style Highlight Style allows you to select the style of visual feedback applied to a key. Use the arrow keys to choose one of the available selections: Outline, Invert, Outline and Invert, Fill, or Outline and Fill. Option Outline Invert Outline and Invert Fill Description The key is outlined in the selected Outline Color and width of the selected Outline Width. Fill Color is not available when this option is selected. The key s colors are inverted. For example, white appears as black. Outline Color and Fill Color are not available when this option is selected. The key is outlined in the selected Outline Color and width of the selected Outline Width and is also inverted. Fill Color is not available when this option is selected. The key is filled with the selected Fill Color. Outline Color is not available when this option is selected. Key Appearance* Outline and Fill The key is outlined in the selected Outline Color and width of the selected Outline With and is also filled with the selected Fill Color. * As shown by the preview key Outline Width Outline Width allows you to select the thickness of the outline when you select one of the outline options. Use the arrow keys to choose one of the available selections: Very Thin, Thin, Medium, Thick, or Very Thick. NuEye User s Guide 23

24 Show Cursor Outline Color Outline Color allows you to select the color of the outline when you select one of the outline options. Selecting the Outline Color key opens the Highlight Outline Color menu. From the menu, select a color area in the large box and then use the color bar and arrows to the left of the box to fine tune the color. You can also adjust hue, saturation, and luminosity and save the color. Fill Color Fill Color allows you to select the color of the key fill when you select one of the fill options. Selecting the fill Color key opens the Highlight Fill Color menu. From the menu, select a color area in the large box and then use the color bar and arrows to the left of the box to fine tune the color. You can also adjust hue, saturation, and luminosity and save the color. The cursor on your device is a hand. When the cursor is turned on, it follows your eye movements. The cursor shows you where you are, or where you are going, on your display screen. If you turn the cursor off, you will no longer see the hand. Cursor Size The Cursor Size option allows you to set the size of the cursor to Small, Medium, or Large. Cursor Color The Cursor Color option allows you to change the color of the cursor. Pointer Color The Pointer Color option allows you to change the color of the pointer. Pointer Type The pointer shows what particular object the client is focusing on. When Circle or Square is selected and the client focuses on a key, a circle or a square appears over the key to show that s where the client s focus is. If the client dwells on the key long enough, it will be selected. When Circle or Square is selected, additional options are available: Pointer Size, Pointer Mode, Pointer Border, and Pointer Transparency. When None, is selected, no pointer will be visible, and you will have no feedback to show where the client s eyes are focused or what the client might be selecting on the screen. Pointer Size The Pointer Size option allows you to make the circle or square pointer larger or smaller. Pointer Mode When Animated is selected, the circle or square pointer will shrink in size while the key is being selected. It s an easy way to tell that the client has hit his or her target. If you select Static, the pointer maintains the same size while the key is selected. NuEye User s Guide 24

25 Pointer Border Selecting any Pointer Border value greater than 0 puts a darker border around the perimeter of the circle or square. Increase or decrease the value to adjust the thickness of the border. Pointer Transparency 90% transparency means that the circle or square is almost clear. You can barely tell it is on a key. 0% means the pointer is completely opaque. You cannot see through it to read any text that might be on a key. Tracking Settings The Tracking Settings help to adjust the speed and smoothness of pointer/cursor movements. If you have set up the eyegaze system and aren t satisfied with the smoothness of the pointer movements, try changing the settings using this option. Smoothing When you select a number in the Smoothing option, the eyegaze system will continually average the last X number of eye movement signals it receives. This helps to refine pointer movements. The lower the number of samples the closer the cursor follows the actual gaze-point. The higher the number of samples the more the cursor lags behind the actual gaze-point. If the pointer/cursor is very jumpy, increase the number of samples. The higher you increase this number, the smoother (but slower) the pointer movement will be. Selectable numbers range from 2 to 45. Filter Method The available filtering methods for tracking are Stream, Snap, Group, Stream + Snap, and Stream + Group. Stream is the default. Acceleration If the cursor movement is smooth but too slow for the client, increase the Acceleration number. Acceleration to Threshold If Acceleration is set to a speed that is good for the client but he or she finds it difficult to lock onto a key to select it, set a threshold for the cursor speed. This will tell the system to use the selected acceleration speed until it reaches the threshold you set. At that point the cursor will move more slowly until the client selects the key he or she wants. This option is helpful when the client wants to make a big movement across the display and then select a key. The large movement can go at the selected acceleration speed. This will move the cursor across the display fairly rapidly. When threshold is reached, the cursor will slow down so the client can lock in on the key he or she wants to select. Try these options using the defaults first. If those are not satisfactory, use trial and error to find the best results. NuEye User s Guide 25

26 Advanced Settings Fixation Window X and Fixation Window Y These two options refer to the point at which the client stops looking at the screen in general and begins to fixate on the area where he or she wants to make a selection. Think of the fixation area as a window that contains the key the client wants. This window can be either large or small. Fixation Window X is the horizontal axis and Fixation Window Y is the vertical axis of that window. The defaults give you a very small window. The smaller the fixation area (or window), the more precise the client s movements can be. However, if the client s gaze is very jittery, a larger window will be needed. If the defaults are not working, experiment with these two options to see if they help. Default Geometry This option returns the NuEye unit to its default angle setting, and supplies the eyegaze system with other default information about the unit. Reset Eyegaze Settings to Default Use this option when you want to restore all settings to their defaults and start over. Off-Screen Key Settings Off-Screen Keys Settings allows you to turn the off-screen keys on or off. Off-Screen Pause Key When Off-Screen Pause Key is turned on, the client can pause or resume tracking by gazing just above the top edge (middle) of the screen. Paused or Active will be displayed on the screen. Off-Screen Tools Key When Off-Screen Tools Key is turned on, the client can select the Tools key by gazing just beyond the left edge of the screen. Right Off-Screen Keys When Right Off-Screen Keys is turned on, the client can access the off-screen keys by gazing just beyond the right edge of the screen. Bottom Off-Screen Keys When Bottom Off-Screen Keys is turned on, the client can access the off-screen keys by gazing just beyond the bottom edge of the screen. Activate Text Area The Activate Text Area option allows the client to gaze at the text display area of the device to activate it. If Speech is turned on, the device will speak any text that is displayed. NuEye User s Guide 26

27 Appendix A: Mounting NuEye on an Accent 1400 If you purchased NuEye with your Accent 1400, the NuEye module is already mounted on the device. If you purchased NuEye later, follow these instructions to attach the module to the device. Hint: You might find it easier to attach the module if you line up the bottom edge of the device with the edge of a table or counter. 1. Place the device-face down on a flat surface. Be careful not to scratch the display. 2. Line up the connector on the NuEye module with the NuEye USB connector on the bottom edge of the back of the device. 3. Slide the module into place, making the sure the connectors are engaged completely. 4. Tighten the two screws to secure the module to the device. Note: The screws are already in the screw holes. You only need to tighten them. 5. The NuEye module is ready to set up for use. The NuEye Tracking System User s Guide contains detailed instructions on mounting the NuEye module, positioning the device, calibration, customizing settings, managing eyegaze profiles, and cleaning the module. NuEye User s Guide 27

28 Appendix B: Mounting NuEye on an Accent 1200 or 1200-M First Steps If you have had your Accent mounted on a table stand or wheelchair, you will need to remove the table stand or wheelchair mount, and you will need to remove your mount (such as the QRM2) and the mounting plate from your device. To mount the NuEye unit, you will need a Phillips screwdriver. NuEye unit NuEye USB cable Mounting bracket screws (4) Mounting bracket with 2 screws already in place NuEye User s Guide 28

29 Attaching the Bracket to the Device 1. Gently place the Accent face down on a flat surface. 2. Lift up the wire table stand on the back of your device. If you do not plan to use the wire stand, you can remove it from the device. Lift up the wire stand You ll use these 2 screws later to mount the NuEye unit. 3. Hold the mounting bracket along the bottom edge of the Accent and press the top of the bracket into place on the back of the device. Align the holes in the bracket with the empty holes in the device. 4. Insert the four screws from the kit in the bracket holes and tighten to secure the bracket to the device. NuEye User s Guide 29

30 Mounting the NuEye Unit on the Bracket 1. Hold the NuEye unit so that the back of the unit faces you. The label on the back of the unit and the USB cable will both be on your left. 2. Align the two screws protruding from the bracket with the holes in the NuEye unit. 3. Tighten the screws to secure the NuEye unit to the bracket. Do not over-tighten the screws. Over-tightening could damage the NuEye unit s screw mounts. 4. Plug the NuEye USB cable into one of the USB ports on your Accent. Wrap the cord along the side and under the mount as shown below. NuEye USB cable plugged in USB cable Wrap cable beside and under mount 5. Now you can mount a table stand or wheelchair mount to the bracket. Your NuEye unit is ready to use. NuEye User s Guide 30

31 Appendix C: Mounting NuEye on an Accent 1000 or 1000-M Reviewing the NuEye Kit You will need a Phillips screwdriver. NuEye USB cable NuEye tracking unit Mounting bracket screws (2) Mounting bracket with 2 screws already in place NuEye User s Guide 31

32 Preparing to Attach the Bracket 1. Gently place the Accent face down on a flat surface. 2. Use your screwdriver to remove the two screws on the bottom back of your device on either side of the cooling vent. Keep these screws. If you need to remove the NuEye unit from your device, you should put these screws back in the mounting holes. Attaching the Bracket to the Device 1. Hold the mounting bracket along the bottom edge of the Accent and align the holes in the bracket with the empty holes in the device. You ll use these 2 screws later to mount the NuEye unit. 2. Insert the two screws from the kit in the bracket holes and tighten to secure the bracket to the device. NuEye User s Guide 32

33 Mounting the NuEye Unit on the Bracket 1. Hold the NuEye unit so that the back of the unit faces you. The label on the back of the unit and the USB cable will both be on your left. 2. Align the two screws protruding from the bracket with the holes in the NuEye unit. 3. Tighten the screws to secure the NuEye unit to the bracket. Do not over-tighten the screws.. Over-tightening could damage the NuEye unit s screw mounts. 4. Bring the NuEye USB cable over the top of the NuEye unit, between the unit and your device case. The USB end will plug easily into a USB port on your connector module, and the cable will not obstruct the NuEye unit. You can loosen the NuEye unit screws if necessary to slip the USB cable into place. Tighten the screws when you are finished. 5. Now you can place your Accent on a wheelchair mount or a table stand. Your NuEye unit is ready to use. NuEye User s Guide 33

34 Appendix D: Positioning Examples When positioning is correct, the device and the client s face will be on the same plane basically parallel to each other. The track box will always show two white circles next to each other near the center of the box. The client s eyes will be within of the display. Correct Positioning from the side and as seen straight on. Eyes are level and gaze is in the middle-to-upper part of the display. With correct positioning, the nose should be pointed at the vertical middle of the display and the eyes should be looking in the middle to the top two-thirds of the display. To achieve correct positioning you may need to move your device, the client, or both until the client is comfortable and the white ovals line up in the track box. NuEye User s Guide 34

35 Incorrect Correct Tilted Left Face tilted, eyes not level and too far left, wrong nose angle Angle of device and head are the same Tilted Right Face tilted right, eyes not level, too much nose, eyes too low in track box Angle of device and head are the same Eyes too high and angled down Eyes looking down, not enough nose, eyes too high in track box Device lowered/client raised to match gaze Eyes angled up and device too low Looking up nose; eyes centered in track box but angle of face visibly wrong Device raised/client lowered to match gaze NuEye User s Guide 35

36 Incorrect Correct Too close to device; must be within inches of display Angle of face wrong, one eye not being tracked Client must be within inches of display Too far from device; must be within inches of display Eyes OK Client must be within inches of display Client s eyes too high Eyes too high Position client down or device up so eyes are centered in box NuEye User s Guide 36

37 Incorrect Correct Client s eyes too low Eyes too low Position client up or move device down so eyes are centered in box Eyes too far to the left Client too far left Head is centered with display Eyes too far to the right Head is centered with display Client too far right NuEye User s Guide 37

38 Appendix E: Cleaning the NuEye Unit Never immerse the NuEye unit in water! Never use abrasives or cleaning cloths that will scratch the transparent area of the unit. You received a microfiber (lint-free) cleaning cloth with your NuEye unit. Use this cloth to wipe the NuEye enclosure and its transparent screen. If the unit needs more than a dry wipe-down, dampen this cloth or another lint-free cloth. Damp means wrung out, never dripping. Dry the unit thoroughly with a dry lint-free cloth. If the transparent area on the front of the unit gets smeary or visibly dirty, place a small amount of rubbing alcohol on a lint-free cloth and clean the transparent area. Polish the area with a dry part of your cloth. Keep the microfiber (lint-free) cloth handy and wipe the transparent area daily. See your Accent hardware manual for more information about cleaning and disinfecting your Accent. NuEye User s Guide 38