Compact / Series 7600 Mobile Imaging System. Installation Procedure

Transcription

1 Compact / Series 7600 Mobile Imaging System Installation Procedure Part Number: April 1997 OEC Medical Systems, Inc. 384 Wright Brothers Drive Salt Lake City, UT

2 ii Compact / Series 7600 Installation Procedure This manual contains descriptions, instructions and procedures that apply to the Compact / Series 7600 Mobile Digital Imaging System only. Refer to the Installation Report/Checklist P/N when installing a 7600 system.

3 Compact / Series 7600 Installation Procedure iii Revision History Rev Dash Date Change Description Rev 1-01 December 1995 Initial Engineering Release Rev A -01 December 1995 Manufacturing Release Rev B -02 July 1996 Added power supply tolerances, kv tracking specifications, and resolution specifications Rev C -03 April 1997 Add Series 7600 installation procedures Rev D -03 November 1998 Drawing change only

4 iv Compact / Series 7600 Installation Procedure

5 Compact / Series 7600 Installation Procedure v TABLE OF CONTENTS Introduction... 1 Responsibility... 1 Safety Procedures... 1 Explosion Hazard... 1 Electrical Safety... 2 Accident Reporting... 3 Unauthorized Modifications... 3 System Specifications... 4 Technical Specifications... 4 System Classification... 4 Connector Output Power... 4 C-Arm... 4 Input Power... 5 X-ray Source Assembly... 6 Fluoroscopy... 6 Pulsed Fluorography Mode... 6 Radiography... 7 Accuracy... 7 Video Signal... 7 Dimensions... 8 Tube Data And Rating Charts...8 General Tube Data... 8 X-ray Generator Information... 9 Unpacking and Inspection Remove Protective Shipping Material De-pallet the System (Compact) De-pallet the System (Series)...10 C-Arm Workstation Installation Site Requirements Installation Kit Contents Cover Removal C-Arm: Workstation: Mechanical Checks Inspection and Setup Line Voltage Compatibility Check Isolation Transformer Wiring Power ON System System Power Supply Voltages Measure Line Voltage Regulation System Operational Verification Generator Workstation... 18

6 vi Compact / Series 7600 Installation Procedure Thermal Printer / Multiformat Camera...20 Fluoroscopic Image Tests...21 Radiographic Beam Alignment Test...21 Setup Beam Alignment Verification Complete Paper Work...22

7 Compact / Series 7600 Installation Procedure 1 Introduction This manual describes the installation of the Compact / Series 7600 system and a definition of the responsibilities and instructions for reporting, safety, unpacking, moving and verifying system operation. Responsibility The customer must provide the labor and equipment necessary to unload the system from the transport vehicle and move it to the final location. It is the customer s responsibility to obtain all permits necessary to meet all requirements of state and local codes, regulations and ordinances with respect to the installation and operation of the system. A qualified service technician should perform the following: Installation Report/Checklist ( ).Safety procedures should be in effect at all times during the installation process. By law, complete reports within 15 days from the date of assembly (installation). Return the assembler's copy of the Report of Assembly of Diagnostic X-ray (FDA form 2579), the Beam Alignment Radiographs (films), and the Installation Report/Checklist to OEC Medical Systems, Inc., Attention: Technical Support, in the stamped, manila envelope provided in the Field Service Documentation Package. Distribute the various remaining copies of the Report of Assembly of Diagnostic X-ray (FDA form 2579), following the documentation instructions included in the Field Service Documentation Package. The OEC Medical Systems, Inc. Representative MUST sign the last page of the Installation Report and Checklist, verifying Field Service acceptance of the unit. If, for any reason, the installation remains incomplete, notify the Hospital that the system is not yet ready for use. Safety Procedures NOTE: Under no circumstances should the safety interlocks in the system be bypassed, jumped or otherwise disabled. Never operate or store the system in a location where conductive fluids such as water, saline solution, etc., can spill on any part of the equipment unless you cover the system with a protective waterproof draping. All OEC Medical Systems, Inc. systems comply with International Electrotechnical Commission safety standard IEC-601. Do not connect any external device to the system that does not meet the requirements of IEC-601. Only devices provided by or approved by OEC Medical Systems, Inc. should be connected to the system. Explosion Hazard Never operate the system in the presence of flammable anesthetics or other flammable or explosive liquids, vapors, or gases. Vapors and gases can ignite by electrical arcs that can occur during the normal operation of switches, circuit breakers, push-buttons and other circuit components.

8 2 Compact / Series 7600 Installation Procedure If flammable substances are present before you apply system power, do not plug in or turn on the system. If you detect flammable substances after the system has been turned on, do not touch any of the controls, switches, knobs or cables. Evacuate all personnel immediately, then ventilate the room to clear the air of the flammable vapor or gas. Remove any volatile liquids that are producing flammable vapors to a safe storage area. Electrical Safety Electrical circuits inside the equipment use voltages that are capable of causing serious injury or death from electrical shock. WARNINGS: This equipment contains high power electrical components and only personnel familiar with the circuitry and its operation should provide service. Some components may maintain a charge with the power cord disconnected. Observe safety precautions when measuring high voltage electronics. Steps within this procedure produce x-rays. Use appropriate precautions. Areas where hazardous voltages exist include: Transformers volts Video Monitors volts and High AC/DC Voltages Image Intensifier - 50,000 volts Generator - 110,00 volts Observe the following precautions when you remove system covers: Observe the two person rule when working near lethal voltages. A person who is familiar with the emergency power removal procedure must be in attendance. This person must remain clear of the machine and be prepared to turn it off in an emergency. Be familiar with the components being serviced and the locations of hazardous voltages in the assembly where you work. High voltage cables and capacitors can retain a charge even when you remove all power from the system. Avoid touching these unless you are certain the charge has dissipated to ground. Some high energy capacitors in the system should be shorted to ground through an adequate resistance to avoid a burn hazard. A protective earth ground stud, located on the bottom left side of the system base, and marked with the international symbol shown below on the left. It also has a distinctly colored decal at the base of the stud as shown below on the right. Grn el PROTECTIVE EARTH SMBOL PROTECTIVE EARTH STUD

9 Compact / Series 7600 Installation Procedure 3 Accident Reporting The Medical Device Reporting Regulation, 21 CFR Part 803, requires that the manufacturers of medical devices submit a report to the appropriate federal agency containing specific information in the event of an accident resulting in death or serious injury during the use or service of its medical devices. (In the following paragraphs, labeling definitions include all instructional and procedural text contained in the Operator's Guide and Periodic Maintenance Procedures.) A report is not necessary if: The potential for death or the type of serious injury that may result appears in the labeling for the system. The malfunction and the routine service, repair, or maintenance instructions to correct the problems appear in the labeling for the system. The malfunction has occurred at or below its expected rate of frequency and severity. The malfunction does not lead the manufacturer to undertake a remedial action involving any other systems. For OEC Medical Systems, Inc. to meet these reporting requirements, all users of these systems, operators, and service technicians, must provide the QA Manager of OEC Medical Systems, Inc. with the following information regarding all reportable events as soon as possible: 1. Identify the model and the serial number. 2. Describe the event. Include whether any serious injury or death occurred, the number of personnel injured, and any publication title and dates of any articles in the scientific or medical literature describing the reported event. 3. Identify the person who is submitting the information, include their address, to OEC Medical Systems, Inc. 4. Indicate whether additional information will be submitted, and if so, when. 5. Indicate whether the event being reported has occurred with greater frequency or severity than is indicated in the labeling for the system, or is unusual for this type of system. Unauthorized Modifications Unauthorized changes or modifications to any part of the system could have hazardous consequences. Changes or modifications are forbidden unless specifically authorized by OEC Medical Systems, Inc.

10 4 Compact / Series 7600 Installation Procedure System Specifications Technical Specifications The policy of OEC Medical Systems, Inc. is one of continual product development and improvement. For this reason, OEC Medical Systems, Inc. reserves the right to change the operating characteristics and specifications of newer products at any time, without prior notice, and without incurring any obligation relating to previously manufactured items. The specifications list limited to general performance and physical data. Specifications of optional equipment provided by other manufacturers in the applicable manuals provided with those options. OEC Medical Systems, Inc. will make available, on request, circuit diagrams, component part lists, descriptions, calibration instructions, or other information that will assist properly trained and qualified technicians to repair those parts of the system which are designated as repairable. System Classification Class I (as defined by IEC 601-1) Type B Ordinary protection against ingress of water Non AP (Non-anesthetic proof) Continuous operation Connector Output Power C-Arm Footswitch: 15 VAC 30 milliamp current source Handswitch: 15 VAC 30 milliamp current source

11 Compact / Series 7600 Installation Procedure 5 Input Power NOTE: NOTE: The system operating voltage is changeable. If the operating voltage requires changing, the change may only be accomplished by an OEC Medical Systems, Inc. field service technician, or by qualified technical service personnel. Line Frequency: 60/50 Hz Single Phase: 110V ~ Standby (long-time) 5 A, *Maximum (momentary) 25 A. 230V ~ Standby (long-time) 2 A, *Maximum (momentary) 15 A. *Maximum (Momentary) rating is for maximum radiographic exposure and limited to 4 seconds. Resistance of Mains 0.6 ohms/230 ~ 0.3 ohms/110 ~ Technique Factors at Maximum Line Current Condition: Peak current demand is independent of technique load factors. Line Regulation (Percentage): 15% at maximum radiographic exposure. Also, under no conditions should the loaded voltage fall below 100 VAC, measured on the secondary of the isolation transformer. Maximum Continuous Power Dissipation: 4,253 BTUs. Figure based on a maximum real power value of 1,245 watts. Line regulation based on measurements made at the input (primary winding) of the isolation transformer under standby conditions and at maximum radiographic exposure by the following equation: Line regulation = 100 (Vn - Vl)/Vl Where Vn = no load voltage (standby) Vl = loaded voltage (maximum radiographic exposure).

12 6 Compact / Series 7600 Installation Procedure X-ray Source Assembly Type Focal Spot Total Filtration Anode Heat Storage Capacity Leakage Technique Factors Voltage Rating Fluoroscopy Fixed anode type Dual, 0.6 mm and 1.5 mm >3 mm minimum aluminum equivalent 76,000 HU 110 kvp and 3.0 ma 110 kvp maximum Focal Spot Size High Voltage Range Current Range Duty Cycle: Collimation Pulsed Fluorography Mode 0.6 mm 36 kvp to 110 kvp, with manual adjustment available. Standard 3 ma maximum Dense Anatomy 6 ma maximum continuous Snapshot 8 ma ma maximum continuous Nominal diameter iris circle for 9/6 inch system 6 inches (15.2 cm), 9 inches (22.8 cm) Iris collimation is continuously adjustable to less than 5 x 5 cm, measured at the SID. Slot collimation is continuously variable and rotatable. Focal Spot kvp Range ma Range Pulse Rate 0.6 mm 36 kvp-110 kvp ma 1 pulse per second.

13 Compact / Series 7600 Installation Procedure 7 Radiography 1.5mm Focal Spot Timer Accuracy Duty Cycle Collimation Film Cassette Holder kvp: + 10% ma: + 10% Timer: + 10% Video Signal High voltage range: 36 kvp to 110 kvp Tube current 20 ma fixed. Duration of radiography can be manually set from 0.1sec to 4.0 sec with an internal electronic timer ma maximum for 4.0 seconds. Nominal diameter iris circle for standard 9-inch (22.8cm) system, continuously adjustable to less than 5 x 5 cm, measured at the SID. A continuously variable and rotatable slot collimator is also standard. Standard: 10 x 12 x 5/8-inch nominal. Metric: 24cm x 30cm Composite video, EIA RS170A 60 Hz, 525 line, [International CCIR 50 Hz, 625 line] 1 Vp-p Single "C" mounted FastScan flicker-free monitor 30cm (12 inch) Standard 44cm (17 inch) Optional 20 MHz bandwidth Workstation Dual Monitors 44cm (17 ) Fastscan, flicker-free monitor (100Hz) with anti reflection filter Image Rotation: 360 degrees 400 Image Memory wih last image hold X-Ray ON indicator lamp Patient annotation keyboard and control panel for system operation Integrated thermal printer (option) Integrated multiformat camera 2-on-1 or 1-on-1 (option) Environmental and Transport Requirements Ambient Temperature Extended Storage and Transportation Short-term Storage and Transportation Operating: 10 to 35 degrees C 0 to 40 degrees C -10 to 55 degrees C

14 8 Compact / Series 7600 Installation Procedure Stability transport Altitude Humidity Shock and Vibration Dimensions C-Arm Workstation Tube Data And Rating Charts General Tube Data Positive stability on grades up to 10 degrees when in position and on grades up to 8 degrees in any position of normal use. 8,000 ft. (2438 meters) maximum Operating: 20 to 80%, non-condensing Storage and transport: 10%-90%, condensing 1G at Hz for 2 hours Non-bracketed numbers are for the 17.8 cm/7-inch I.I. Numbers in brackets are for the 23 cm/9-inch I.I. Focus to top of generator housing: 205mm maximum w/o skinspacer. SID: 930 mm (37 inches) [905 mm] Free Space: 705 mm [680 mm] Central Beam to C-Arm: 660 mm (26 inches) C-Arm orbital motion: 115 degrees (25 degree overspan) C-Arm Rotation: +225 degrees C-Arm vertical motion: 420 mm. C-Arm horizontal motion: 190 mm. C-Arm Wig-wag: +10 degrees Length: 1630 mm Height: 1690 mm Width: 780 mm Weight: 245 Kg. Length: 560mm Width: 660mm Height: 1665 Weight: 140kg Maximum 110 kvp. Rated Tube Potential Leakage 110 kv at 3.0 ma. This is also the maximum continuous Technique rating of the X-ray tube housing assembly. 110 kv at 3.0 Factors ma are the leakage technique factors used for the diagnostic source assembly. Total >3.0 mm minimum aluminum equivalent. Filtration Anode Heat 76,000 HU Storage Anode 330 HU/second maximum. Refer to the Thermal Maximum Characteristics curves in this section. Cooling Rate

15 Compact / Series 7600 Installation Procedure 9 X-ray Generator Information The X-ray Generator in the Compact / Series 7600 complies with IEC /1987 and CSA 22.2 # The following information provided in accordance with these standards. Reference: Clause Maximum Nominal kvp Standard Fluoro Dense Anatomy Fluoro Pulsed Fluoro Snapshot Fluoro Film Mode kvp kvp kvp kvp kvp 2. Maximum Maximum ma (See 1 above) 3. Maximum Output Power Snapshot (Fluorography) Film Mode kvp, 8 ma kvp, 20 ma 4. Nominal Output Power for 0.1 Second Exposure Film Mode kvp, 20 ma 5. Reference 50% of Nominal Output Power Film Mode 6. (Not Applicable) 7. (Not Applicable) 8. Nominal Shortest Exposure Time Film Mode kvp (20 ma, 0.1 second) 0.1 second

16 10 Compact / Series 7600 Installation Procedure Unpacking and Inspection The customer should inspect the shipping containers and exposed system components for any apparent damage prior to unpacking. Unpack any shipping containers that appear damaged with the carrier's agent present. The customer should ensure that all equipment specified in the purchase order has been delivered. If any part of the shipment shows damage or parts are missing, immediately notify the carrier and the nearest OEC Medical Systems, Inc. regional service office. Retain the shipping container and packing material for the carrier's inspection. Use the Installation Report/Checklist for reporting shipping damage to the equipment. Indicate the location of damage on the drawing view or views as appropriate and describe parts lost or damaged in shipment. Remove Protective Shipping Material 1. Remove the banding from the shipping carton(s). 2. Remove the cardboard cap(s) and lift the cardboard from the top of the unit(s). Discard the cardboard. 3. Remove the tape and packaging. De-pallet the System (Compact) 1. Remove the three u-shaped metal brackets that hold the system to the pallet. 2. Remove the tape or banding that attaches the x-ray tube to the metal brace on the front of the pallet. 3. Carefully lift the system and remove the three rubber-covered shipping blocks from underneath the system. 4. Carefully roll the system off the pallet using the ramp supplied with the system. 5. Attach the monitor to the system using the supplied hardware. De-pallet the System (Series) C-Arm 1. Remove the four metal brackets securing the wheels and C to the pallet. 2. Carefully lift the system and remove the three rubber-covered shipping blocks from underneath the system. 3. Carefully roll the system off the pallet. Be careful not to damage the cable pushers. Workstation 1. Remove the four turnbuckles. 2. Remove the four eyebolts from underneath the workstation. 3. Carefully roll the workstation off of the pallet.

17 Compact / Series 7600 Installation Procedure 11 Installation As you perform the steps in this procedure check them off on the Installation Report/Checklist P/N Additional information needed for operating the Compact / Series 7600 found in the Operator Guide s. Site Requirements There are three major considerations for installing a system. They are: 1. Electrical power requirements 2. Environmental conditions 3. Safety precautions. The system requires an input power source capable of providing nominal voltage inputs of: Amps Amps The site must meet the line voltage regulation requirements as described in the Installation Report/Checklist. The customer is responsible for preparing the building, equipment, environment and services required to install and operate the system. Installation Kit Contents Verify that the following materials arrived in the 7600 Installation Kit ( ). Note any shortages on the Checklist. Beam Film Labels FDA Form 2579 FSP-10 Installation Paperwork Requirements SOP Installation Procedure (This Document) Installation Report/Checklist P/N Manual Response Form Various Envelopes

18 12 Compact / Series 7600 Installation Procedure Cover Removal C-Arm Rear Cover 1. Unplug the system power cord from the AC power receptacle. 2. Remove the two screws located on the lower front section of the rear cover and the screw located on each side of the cover. 3. Move the cover toward the floor. (This will release the top tab restraints.) 4. Pull the cover away from the system. 5. Remove the ground wire. Workstation Rear Cover 1. Remove the ten screws securing the rear cover. Six along the sides and four around the power cord plate. 2. Pull the cover back away from the system. 3. Remove the ground wire. Mechanical Checks In the steps below, check for ease of movement without excessive play. 1. Check the Locking Pedals of the system for proper operation. Lock the system in place by pressing the locking pedals down completely (Compact / Series). 2. Check the Wig Wag movement of the system from side to side. Verify proper operation of the wig wag lock. 3. Check the Cross Arm movement of the system. Verify proper operation of the cross arm lock. 4. Check the Flip Flop movement of the system and integrity of the Pivot Point. Check proper action of the pivot lock. 5. Check the Radial Movement of the system and verify there is adequate resistance to stop the C-Arm when the brake is applied. 6. Check the Steering Handle of the C-Arm for proper operation. Inspection and Setup 1. Verify or mount the skin spacer as directed by state regulation. 2. Inspect the AC power cable and interconnect cable for proper strain relief. Inspect the power cable assembly and interconnect cable assembly for any shipping damage. Look for any signs of damage or abrasion to the cable jacket and inspect each plug for loose pins.

19 Compact / Series 7600 Installation Procedure 13 Line Voltage Compatibility Check Check the line voltage in each room where the equipment operates. Do not assume the line voltage will be constant throughout the hospital. Verify voltage compatibility in all hospital rooms where this machine will operate. If a particular room is unavailable, write "NK" in the location, voltage and plug compatibility blanks on the checklist. A room is not plug compatible when the plug requires an adapter. Notify the hospital if any rooms are not voltage compatible. Isolation Transformer Wiring 1. The isolation transformer(s) of the Compact / Series 7600 reside in the lower left portion of the generator cabinet. And in the lower rear section of the workstation (Series). 2. Directly above the generator isolation transformer and in the lower rear of the workstation is the isolation transformer terminal block. The isolation transformer(s) have input taps for 90, 100, 110, and 120V. 3. Unplug the system from the wall receptacle and measure the AC voltage at the wall receptacle. Move the brown wire on the isolation transformer terminal blocks to the appropriate input tap. Power ON System NOTE: 1. Plug the AC power cord into the system and then the wall receptacle (Compact). 2. Connect the interconnect cable between the generator and the workstation (Series). 3. Plug the AC power cord into the wall receptacle (Series). 4. Turn the system on by pressing the green START button on the control panel (Compact / Series) or workstation (Series). 5. The system will display the OEC test pattern on the monitors when the system has initialized. 6. Verify that the elapsed time indicator operates on the generator. The elapsed time indicator will increment every 6 minutes or 1/10th of an hour. If the indicator is not running initiate repairs before continuing the installation. 7. Verify that the cooling fan operates (Series).

20 14 Compact / Series 7600 Installation Procedure System Power Supply Voltages 1. The power supplies reside in a perforated metal enclosure on the left side of the generator cabinet. There are two separate power supplies (Compact) and one (Series) in the enclosure. 2. Locate the output voltage wire bundle coming from the top power supply (NG1). This wire bundle exits the enclosure on the left side and has a 15- pin connector on the end of the bundle. The 15-pin connector designation is P1. Measure the voltages listed below and record them on the Installation Checklist. GND To Adjust Voltage Tolerance P1-2 P1-5 Not Adjustable +5V ±0.5V P1-2 P1-4 Not Adjustable +24V ±1V P1-2 P1-1 R39 +16V ±1V 3. Locate the output voltage wire bundle coming from the bottom power supply (NG2) (Compact). This wire bundle exits the enclosure on the left side and has a 9-pin connector on the end of the bundle. The 9-pin connector designation is P2. Measure the voltages listed below and record them on the Installation Checklist. GND To Adjust Voltage Tolerance P2-2 P2-1 R39 +5V ±0.5V P2-2 P2-4 Not Adjustable +12V ±1V P2-2 P2-5 Not Adjustable -12V ±1V Measure Line Voltage Regulation NOTE: 1. Measure the AC line voltage at the wall receptacle. In the next step the voltage measured at the wall receptacle will drop immediately after the exposure terminates. Read the meter at this time. 2. Measure the line voltage at the wall receptacle again while making a radiographic exposure ( kvp). 3. Calculate the percentage line voltage regulation using the following formula and record the results on the Installation Report/Checklist. Vn - Vl 100 X where: Vn = No load voltage Vl = Max load voltage Vl 4. If the results above do not fall within the range of 0 to 15 percent, inform the hospital that an in-house wiring problem exists. (This problem results in a violation of a provision of the Federal Performance Standards 21 CFR )

21 Compact / Series 7600 Installation Procedure 15 System Operational Verification Generator S kv ma min s PRINT HIP 1. Press the C-Up and C-Down buttons and verify that the C-arm lifts smoothly from the top to the bottom limits. 2. Press the Auto Fluoro button and verify that the LED illuminates. Press the x-ray button and verify that the kv automatically servos by monitoring the kv display and that an image appears on the monitor. Verify that the ma display displays the ma value while x-rays are being taken. 3. Press the Pulse Fluoro button and verify that the LED illuminates. Press the x-ray button and verify that the system produces pulsed x-rays and that an image appears on the monitor. 4. Press the Snapshot button and verify that the LED illuminates. Press the x-ray button and verify that an exposure initiates and then automatically terminates. The image should remain on the monitor until you take the next exposure.

22 16 Compact / Series 7600 Installation Procedure 5. Press the Manual Fluoro button and then the kv button and verify that the LED illuminates. Press the kv-up/down button and verify that the kv can adjust from 40kV to 110kV. 6. Press the Film button and verify that the LED illuminates. Press the Film Timer-up/down button and verify that you can select a time from 0.1 sec. to 4 sec. as shown on the seconds display. Take a number of film shots at various kv and mas settings to verify the film mode operation. 7. While taking x-rays in the Auto Fluoro mode press the Slot Collimator open and close buttons and verify that the collimator opens and closes. 8. While taking x-rays in the Auto Fluoro mode press the Slot Collimator rotate buttons and verify that the collimator rotates in both directions. 9. While taking x-rays in the Auto Fluoro mode press the Iris Collimator open and close buttons and verify that the iris opens and closes. 10. Press the Magnification button and verify that the LED illuminates. Verify the image on the monitor changes to the small field mode when x-rays initiate. 11. Press the Image Reversal button and verify that the LED illuminates. Verify the image reveres horizontally when x-rays initiate. 12. Press the Image Rotation buttons and verify that the image on the monitor rotates in both directions. Press both keys simultaneously and verify that the image rotates to the normal orientation and automatically stops.

23 Compact / Series 7600 Installation Procedure Place some lead aprons on the image intensifier to attenuate the beam. Press the Thorax Surgery button and verify that the LED illuminates. 14. Press the Hand Surgery button and verify that the LED illuminates. Take an x-ray and verify that the field size automatically decreases because the iris collimator closes partially. 15. Press the Hip Surgery button and verify that the LED illuminates. Take an x-ray and verify that the ma increases to a maximum of 6mA. 16. Obtain an image on the monitor and press the Save button. Verify that the image saves by noting the image storage number that will appear on the monitor. 17. Save 4 distinct images in memory using the Save button. Press the Image Recall button repeatedly and verify that the saved images display in sequence on the monitor. 18. Press the Auto-Histo button and verify that the LED illuminates. Verify that when the Auto-Histo is active the x-ray images are optimized for contrast and brightness automatically. 19. Press the Low Dose button and verify that the LED illuminates. Verify that the technique reduces in comparison to a normal Auto Fluoro exposure. 20. Press and hold the Alarm Reset button for at least 2 seconds and verify that the accumulated fluoro time shown on the display is cleared to zero. 21. Verify that x-rays initiate using the footswitch.

24 18 Compact / Series 7600 Installation Procedure Workstation ESC 1 2 " % 6 7 / 8 ( 9 ) 0 = ' + * 59 Q W E R T U I O P 61 ALT CTRL A S D F G H J K L SPACE L 51 W X L C V 58 B N 66 C M # : , - Print > SPACE TEXT Press the Auto Windowing button 51/30 to turn on/off the auto windowing function. If you turn off the auto windowing you can activate the manual window function by pressing the Shift button 53 at the same time as the auto windowing button. The letters ENH will appear on the monitor. Then press the Adjust buttons 52 to manually select the window and level values. L W L 51/ Press the Home button 58 to return the window levels to the standard settings. 3. Press the Lock button 17 to lock the kv value

25 Compact / Series 7600 Installation Procedure Press the Zoom button 62 to digitally magnify the image four times Press the Edge Enhancement button 63 to sharpen edge definition. Once you apply sharpen it remains. Sharpen will not toggle Press the Image Negate button 66 to reverse the display of light and dark values in an image. Press it a second time to return the image to the original display Press the Image Collage button 64 to minify the left monitor image to onequarter size and display on the right monitor. Simultaneous display of up to four images is possible. Text will not display in the minified images. 8. Press the Save button 55 to save the four image collage. Swap the collage to the left monitor button 65 before saving Press the Recall button 56 to preview the previously saved images. 10. Press the Clear Image Display button 67 to clear the left monitor. 56 C 67

26 20 Compact / Series 7600 Installation Procedure 11. Press the Exchange Image button 65 to toggle the images between monitors. 12. Press the Shift 53and Text 57 buttons at the same time to enter patient data. 65 TEXT Press the Backspace 59, the Space 60 and Return 61 to manipulate the patient data. SPACE NOTE: The DSA, MSA and RSA buttons are not functional at this time. Thermal Printer / Multiformat Camera 1. Press the Thermal Printer button 68 to print the left monitor image to the thermal printer. 61 Print Insert the film cassette and view the LED display to determine the number of available exposures 54 and press key 69 to expose the left monitor image

27 Compact / Series 7600 Installation Procedure 21 Fluoroscopic Image Tests 1. Select AUTO FLUORO mode. 2. Verify that the kvp tracks up and down during X-rays as material thickness increase and decrease per the ranges below: FILTERS kvp RANGE 1 Copper Filter Copper Filters Copper Filters Remove the copper filters. 4. Place the Converging Lines Resolution Tool ( ) on the image intensifier assembly. Select NORMAL field size, then MAG mode. Check image resolution in line-pairs-per millimeter (lp/mm) during live imaging (auto fluoro mode) for each field size. Minimum acceptable resolution is: Field Size Normal 9 Image Intensifier 1.4 lp/mm MAG 1.8 lp/mm Radiographic Beam Alignment Test Setup 1. Release the C-Arm brake and position the C-Arm at a 45 degree angle to nominalize the C-Arm flexure. 2. Attach the Beam Alignment Tool ( ) to the Image Intensifier. Beam Alignment Verification 1. Insert a film cassette into the Beam Alignment Tool. 2. Select MANUAL FLUORO mode. 3. Select the NORMAL field size and set the technique to 50 kvp. Press the X-Ray ON key for 2 seconds. 4. Select the MAG mode and press the X-Ray ON key for 2 seconds. 5. Collimate to the minimum field size using the iris collimator close button and press the X-Ray ON key for 2 seconds.

28 22 Compact / Series 7600 Installation Procedure 6. Develop the film and visually check the film to determine whether the field sizes are within the following specifications: FIELD SIZE NORMAL RING MAG B 7. Verify that the minimum field size is less than 5 cm Use a ruler and verify the center of the image appears on the sheet of film (in both the X and Y axis) within 20 mm or 13/16-inch. 9. If the films do not meet the specification, refer to the Beam Alignment procedure in the Compact / Series 7600 Service Manual. A Complete Paper Work 1. Make sure that all portions of the Installation Report/Checklist are completed. 2. Make sure the beam alignment films are properly labeled. 3. Distribute the copies of the FDA form 2579 to the appropriate individuals as outlined on page Return the Installation Report/Checklist to OEC immediately.