Technical Manual Canta 730/430 230/230 VC & Canta 730-OC/430-OC 730-D ITC GN ReSound as Global Technical Operations gto.gnresound.com Lautrupbjerg 9 DK-2750 Ballerup Denmark Phone: + 45 45 75 23 16 E-Mail: Service@gnresound.dk
Subject Page Description... 3 Typical performance data ANSI/IEC 118-7... 4-6 Part No. lists... 7-9 Diagram... 10 Programming cable...11 Microphone and receiver complete... 12 Microphone 730-D... 13 Blank faceplates... 14 Prepare the faceplates... 15-16 Hybrid connections... 17-18 Faceplates fi nal assembly... 19 Telecoil... 20 Wiring of the VC... 21 Prepare the faceplate for VC... 22 Service tool... 23 Faceplates 730-D... 24 730-D Final device test... 25 Page 2 of 25
Description Key Features 730 : 14-band Fast-Syllabic Noise Reduction. 64-band Spectral Enchancement. 14-band Cochlea Dynamics Compression. Adaptive Digital Feedback Suppression (FDS). In-Situ Loudness scaling. Up to 4 environmentstal programmes, easily accessed by push-button. Key Features 730-OC : The comfort Tec package: WarpOpen Wide Dynamic Range Compression. Fast Acting Noise Reduction with low level expansion. Stabilizer DFS, Digital Feedback Suppression. Super- fast signal processing. Multi-band, fast-syllabic noise reduction. Up to 4 environmentstal programmes, easily accessed by push-button. Step vent design for improved comfort. Key Features 430 : 14-band Noise Reduction. 14-band Cochlea Dynamics Compression. Slow Adaptive Digital Feedback Suppression (FDS). In-Situ Loudness scaling. Up to 3 environmentstal programmes, easily accessed by push-button. Key Features 430-OC : The comfort Tec package: WarpOpen Wide Dynamic Range Compression. Fast Acting Noise Reduction with low level expansion. Stabilizer DFS, Digital Feedback Suppression. Super- fast signal processing. Multi-band, fast-syllabic noise reduction. Up to 3 environmentstal programmes, easily accessed by push-button. Step vent design for improved comfort. Key Features 230 : Cochlea Dynamics sound processing. 6-band full Dynamic range Compression. 1 programme and an additional Comfort Mode (230 only). Audiogram + fi tting rule. Feedback manager. Canta 230 and 230 VC available in size 312 only. Note that Canta 230 VC FP assembled is always delivered with fl oating VC and no push-button. Key Features 730-D : Adaptive Digital Feedback Suppression (DFS) Adaptive Directionality. 14-band Fast-Syllabic Noise Reduction. 14-band Cochlea Dynamics Compression. In-Situ Loudness scaling. Up to 4 environmentstal programmes, easily accessed by push-button. 64-band Spectral Enchancement. Options (all models except 230 VC): Programmable telecoil with T and MT For Stepped Vent please refer to doc. no. 0013880 for Step-Vent procedure. Typical Battery Life: Battery type 312: 130-137 hours Battery type 10: Up to 78 hours Page 3 of 25
Typical performance data - IEC 60118-7, 2cc coupler Data in accordance with IEC 118-7. All sound pressure levels (db SPL) refer to 20 μpa. Unless otherwise is stated, data are based on a battery voltage of 1.35 V and internal impedance of 5 Ω. Reference test frequency is 1600 Hz Tolerance Unit Max. output (OSPL 90) 108 ± 4 db SPL Max. output (OSPL 90) at reference test frequency 102 ± 4 db SPL Full-on gain (Input 50 db ) 44 ± 5 db Full-on gain at reference test frequency 36 ± 5 db Full-on telecoil sensitivity (1mA/m ) 73 ± 6 db Full-on telecoil sensitivity (10mA/m ) 93 ± 5 db Reference test gain 25 ± 5 db Typical harmonic distortion at 800 Hz 1.6 +3% % at 1600 Hz 1.6 +3% % Typical equivalent input noise (Broadband method) 27 max. 35 db SPL Battery current 0.9 +20% ma G[80] G[50] Full-on gain parameter settings 250 Hz 22 500 Hz 22 1 khz 22 2 khz 22 4 khz 22 6 khz 22 40 40 40 40 40 34 Page 4 of 25
Typical performance data - ANSI 2cc coupler Data in accordance with ANSI S3.22-1996. All sound pressure levels (db SPL) refer to 20 μpa. Unless otherwise is stated, data are based on a battery voltage of 1.35 V and internal impedance of 5 Ω. Tolerance Unit Max. output (OSPL 90) 108 ± 4 db SPL HFA-SSPL 90 103 ± 4 db SPL Full-on gain (Input 50 db ) 44 ± 5 db HFA Full-on gain 38 ± 5 db Full-on telecoil sensitivity (10mA/m ) 93 ± 6 db Reference test gain 25 ± 5 db Typical harmonic distortion at 500 Hz 1.5 +3% % at 800 Hz 0.7 +3% % at 1600 Hz 0.8 +3% % Typical equivalent input noise 27 max. 35 db SPL Battery current 1.0 +20% ma G[80] G[50] Full-on gain parameter settings 250 Hz 22 500 Hz 22 1 khz 22 2 khz 22 4 khz 22 6 khz 22 40 40 40 40 40 34 Page 5 of 25
Typical performance data 2cc coupler 130 Max. output (OSPL90) 60 Full on gain and Response gain 120 110 50 40 Full on gain 50 db SPL input 100 30 90 80 20 10 Reference test gain 60 db SPL input 70 100 1000 10000 0 100 1000 10000 Page 6 of 25
Part List Item Part No. Item Part No. Receiver 10114401 Wire, ESW, 7x50μ, red, 18 mm 15130018 Tubing Q-fl ex 10049101 Wire, ESW, 7x50μ, green, 18 mm 15130218 Silicone tubing, uncut 10929-000 Wire, ESW, 7x50μ, green 20mm 15130220 Microphone 9267 / EM-6392CX 15303400 Wire, ESW, 7x50μ, blue 16mm 15130316 Double face tape 10038902 Wire, ESW, 7x50μ, red 20mm 15130020 Wrap 14027-002 Wire, ESW, 7x50μ, amber 20mm 15130120 Silicone tubing, uncut (sleve for mic wires) 11834-001 Wire, ESW, 7x50μ, green 20mm 15130220 Wrap, 0.9 x 3mm (for hybrid) 14027-001 Wire, ESW, 7x50μ, red 26mm 15130026 Wrap, 2.2 x 3mm (for hybrid) 14027-003 Wire, ESW, 7x50μ, green 26mm 15130226 Disk insulation (when soldering on contact pads) 13006-000 Wire, ESW, 7x50μ, green 32mm 15130232 Hybrid, fl ex C 2.0 15120100 Wire, ESW, 7x50μ, blue 25mm 15130325 Silicone tubing, uncut 11509-000 Wire, ESW, 7x50μ, amber, 18 mm 15130118 Silicone tubing, uncut (for PB wires) 26100668388 EGC-1700 coating, 100ml 15290401 Resistor 56K 11662-563 Loctite 401 LOC 05MF1 Push-button, Light 10000601 RTV 734 silicone glue 10358-000 Push-button, Medium 10000602 Clear windscreen, small 12725-006 Push-button, Dark 10000603 Clear windscreen, medium 12725-007 Telecoil 2238-429 Windhood 13517-000 VC 18-37401 Fles-strips 10 pcs.. 10120502 VC cap, Light 66-60401 Flex-strips 25 pcs 10120503 VC cap, Medium 15193101 Programming cable (R) 10123001 VC cap. Dark 15193102 Programming cable (L) 10123002 Wire, ESW, 7x50μ, green 16mm 15130216 Clothing clip 10131701 Wire, ESW, 7x50μ, red 14mm 15130014 Kit, progr. cable w/flex (R) 10127301 Wire, ESW, 7x50μ, green 14mm 15130214 Kit, progr. cable w/flex (L) 10127302 Wire, ESW, 7x50μ, amber 16mm 15130116 Drill for VC, ø 4mm 9102-039 730-D Microphone, single FG3824-C36 1 pcs. 15277400 Service tool/jig 10158701 Silicone tube, Orange, uncut 11834-001 Soldering material/tin Sn62 ø 0.32mm 1903-239 Silicone tube, Blue, uncut 12295-000 Soldering material/tin Sn62 ø 0.46mm 1903-249 Wire, ESW, 7x50μ, amber 25mm 15130125 Final Device Test Tool 15381900 Wire, ESW, 7x50μ, red 25mm 15130025 Page 7 of 25
Part List - Blank Faceplates Blank Faceplates FP Size 10A/Right Part No. Light 10114001 Medium 10114002 Dark 10114003 FP Size 10A/Left Part No. Light 10114101 Medium 10114102 Dark 10114103 FP/FXD Dual Mic Size 312/Right Part No. Light 15298200 Medium 15298201 Dark 15298202 FP/FXD Dual Mic Size 312/Left Part No. Light 15298100 Medium 15298101 Dark 15298102 FP/ Fixed PB Size 10A/Right Part No. Light 10158901 Medium 10158902 Dark 10158903 FP/Fixed PB Size 312/Right Part No. Light 10113801 Medium 10113802 Dark 10113803 FP/No PB Size 312/Right Part No. Light 15166400 Medium 15166401 Dark 15166402 FP/Fixed PB Size 10A/Left Part No. Light 10159101 Medium 10159102 Dark 10159103 FP/Fixed PB Size 312/Left Part No. Light 10113901 Medium 10113902 Dark 10113903 FP/No PB Size 312/Left Part No. Light 15166300 Medium 15166301 Dark 15166302 Battery Doors Battery doors Battery doors Size 10A/Right Part No. Size 10A/Left Part No. Light 10116520 Light 10116510 Medium 10116521 Medium 10116511 Dark 10116522 Dark 10116512 Battery doors Battry doors Size 312/Right Part No. Size 312/Left Part No. Light 10116420 Light 10116410 Medium 10116421 Medium 10116411 Dark 10116422 Dark 10116412 Page 8 of 25
Part List - FP assembled Model 730: Size 312/Fixed PB Part No. Light, right 15066000 Medium, right 15066001 Dark, right 15066002 Light, Left 15066200 Medium, Left 15066201 Dark, Left 15066202 Floating PB - Size 10A Part No. Light, right 15067100 Medium, right 15067101 Dark, right 15067102 Light, Left 15067200 Medium, Left 15067201 Dark, Left 15067202 Fixed PB - Size 10A Part No. Light, right 15064600 Medium, right 15064601 Dark, right 15064602 Light, Left 15064700 Medium, Left 15064701 Dark, Left 15064702 Model 730-D, FXD-Size 312 Part No. Light, right 15298400 Medium, right 15298401 Dark, right 15298402 Light, Left 15298300 Medium, Left 15298301 Dark, Left 15298302 Model 430: Size 312/Fixed PB Part No. Light, right 15126300 Medium, right 15126301 Dark, right 15126302 Light, Left 15126400 Medium, Left 15126401 Dark, Left 15126402 Floating PB - Size 10A Part No. Light, right 15126500 Medium, right 15126501 Dark, right 15126502 Light, Left 15126600 Medium, Left 15126601 Dark, Left 15126602 Fixed PB - Size 10A Part No. Light, right 15126700 Medium, right 15126701 Dark, right 15126702 Light, Left 15126800 Medium, Left 15126801 Dark, Left 15126802 Model 230: Size 312/Fixed PB Part No. Light, right 15133800 Medium, right 15133801 Dark, right 15133802 Light, Left 15133900 Medium, Left 15133901 Dark, Left 15133902 Model 230 VC Size 312/Floating VC/ No-PB Part No. Light, right 15166200 Medium, right 15166201 Dark, right 15166202 Light, Left 15166100 Medium, Left 15166101 Dark, Left 15166102 Page 9 of 25
Diagram - Dual Microphone (C2.0 flex hybrid) Page 10 of 25
Programming cable Insert the programming cable with the flex strip contacts away from the battery door Page 11 of 25
Receiver and microphone complete Mic wires: Wire stranded red, p/n 15130020 Wire stranded amber, p/n 15130120 Wire stranded green, p/n 15130220 Place the double face tape - p/n 10038902 - and bend the wires towards it as shown in the picture + IN - Place wrap p/n 14027-002 Mount a sleeve before soldering the wires to the hybrid Sleeve p/n 11834-001 (cut to 3.5 mm) Solder the wires as shown Receiver wires: Wire stranded, red 26 mm p/n 15130026 Silicone tubing p/n 10929-000 Cut the Qflex tubing to 6mm and place it as shown. Bend the wires. Cut the silicone tubing to 1.3mm and place it over the wires Note: Coating EGC-1700 must be added after soldering. Wire stranded, green 26 mm p/n 15130226 Qflex tubing p/n 10049101 Page 12 of 25
Microphone 730-D Microphone, left side : Front mic. Green 18 mm p/n 15130218 Amber 18 mm p/n 15130118 Red 18 mm p/n 15130018 Back mic. Green 25 mm p/n 15130225 Amber 25 mm p/n 15130125 Red 25 mm p/n 15130018 Microphone, right side : Front mic. Green 25 mm p/n 15130225 Amber 25 mm p/n 15130125 Red 25 mm p/n 151300125 Back mic. Green 18 mm p/n 15130218 Amber 18 mm p/n 15130118 Red 18 mm p/n 15130018 Page 13 of 25
Blank faceplates FP 10A Fixed PB FP 312 Fixed PB Left Right Left Right FP 10A Floating PB FP 312 No PB (for 230 VC only) Left Right Left Right Page 14 of 25
Prepare the faceplate - left side Left - size 10A Wire stranded, 14 mm, red p/n 15130014 Wire stranded, 20 mm, red (to VBAT hybrid) p/n 15130020 SCL GND SDA VBAT Wire stranded, 16 mm, blue (to SCL hybrid) p/n 15130316 Wire stranded, 16 mm, amber (to SDA hybrid) p/n 15130116 C4 Left - size 312 Wire stranded, m14 mm,green p/n 15130214 Cut the terminals of the push-button to 1.7mm. Glue round the push-button with Loctite 401 and place it in the faceplate Wire stranded, 20 mm, green (to BAT GND hybrid) p/n 15130220 Note: All wires must be handled/bent gently in order to avoid any damaging to the insulation. When connecting/soldering the wires they must be held gently with tweezers to avoid pinching and unraveling. Page 15 of 25
Prepare the faceplate - right side Right - size 10A Wire stranded, m14 mm,green p/n 15130214 Wire stranded, 20 mm, green (to BAT GND hybrid) p/n 15130220 Wire stranded, 16 mm, blue (to SCL hybrid) p/n 15130316 SCL GND SDA VBAT Wire stranded, 16 mm, amber (to SDA hybrid) p/n 15130116 C4 Right - size 312 Wire stranded, 14 mm, red p/n 15130014 Wire stranded, 20 mm, red (to VBAT hybrid) p/n 15130020 Note: All wires must be handled/bent gently in order to avoid any damaging to the insulation. When connecting/soldering the wires they must be held gently with tweezers to avoid pinching and unraveling. Page 16 of 25
Hybrid connections T-coil (red) (FRONT MIC) MIC+ REAR MIC REAR MIC (FRONT MIC) MIC IN (FRONT MIC) MIC- VC up T-coil (green) REAR MIC SDA VC down PB PB SCL BAT GND VBAT Danmark C2.0 p/n 15120100 Note: Coating EGC-1700 must be added the hybrid after soldering. REC B REC A Page 17 of 25
K + 4368C Hybrid connections Green wires for push-button, 16mm p/n 15130216 Tubing silicone, cut from p/n 26100668388 to a length of approx. 2.5mm Tubing, cut from p/n 11834-001 to a length of 4mm Cut to approx 7 mm 1 2 Silicone tubing Before placing the silicone tubing over the hybrid dip the hybrid in EGC-1700 coating for 5 Sec. Air dry for 15 Sec. Repeat these two steps. Note: All wires must be handled/bent gently in order to avoid any damaging to the insulation. When connecting/soldering the wires they must be held gently with tweezers to avoid pinching and unraveling. Silicone tube for hybrid p/n 11509-000, uncut Cut silicone tube to 7 mm and place it over the hybrid. Two pcs. of wrap to be placed as shown: Place wrap No. 1 (p/n 14027-003) underneath the mic wires. Place wrap No. 2 (p/n 14027-001) underneath the amber and red mic wire but covering the green mic wire. Page 18 of 25
K K K K FP final assembly Size 312 - Fixed PB Size 10 - Floating PB OPERATOR I.D. # PART # CIRCUIT # OPERATOR I.D. # PART # CIRCUIT # OPERATOR OPERATOR I.D. I.D. # PART PART # CIRCUIT CIRCUIT # OPERATOR I.D. # PART # CIRCUIT # Left Right Size 312 - No PB (floating VC, see pages wiring VC ) Left Size 10 - Fixed push-button Right PART # SERIAL # PART # SERIAL # OPERATOR I.D. # PART # CIRCUIT # OPERATOR I.D. # PART # CIRCUIT # Left Right Left Right Page 19 of 25
Telecoil Tape Push-button Hybrid Telecoil Dress wires Care must be taken to minimize noise and interference pick-up with the telecoil option. The following steps should be followed: Add tape to the battery contact (on the push-button side) to prevent shorting. Connect the telecoil wires to the hybrid and twist the wires at least 5 times. Locate the hybrid behind/next to the push-button. Dress all wires on the opposite side of the battery door. Glue the telecoil to the shell (not to the faceplate) near the tragus. If the telecoil is for telephone use, mount it perpendicular to the plane of the faceplate (as shown in the picture). If the telecoil is for loop use, mount it parallel to the plane of the faceplate, in an up-down orientation, if possible. Page 20 of 25
Wiring of the VC - (230 VC only) Glue the VC with Loctite 416 to fi x it to the faceplate. Add Humiseal round the VC to prevent moisture from seeping the gaps between the VC and faceplate (see also instructions next page). Note: 230 VC FP assembled is delivered with fl oating VC Left side - Floating VC Right B D A C E MIC IN MIC- VC up VC down PB MIC+ TC IN SDA SCL BAT GND PB REC B REC A VBAT To battery spring (-) Left Right side - Floating VC B C A To VC up To battery spring (-) VC wires: Wire red, 25mm p/n 15130025 Wire green, 32mm p/n 15130232 Wire blue, 25mm p/n 15130325 E D To VC down Note: Coating EGC-1700 must be added the hybrid after soldering. Page 21 of 25
Prepare the faceplate for VC Mark the VC hole location with a pencil. Drill the hole into the faceplate using a drill ø 4mm. Place the VC using tweezers Apply Loctite 416 around edge of VC. Add Humiseal p/n 10202-000 round the VC by using syringe Drill ø 4mm, p/n 9102-039 Page 22 of 25
Service Tool The tool can be used on both sides. One side to be used for sizes 312 and 10, the other side to be used for size 13 only. Only Size 13 Size 10 and 312 Page 23 of 25
Faceplates - 730-D Left Right Page 24 of 25
730-D - Final Device Test To insure a perfect microphone matching the steps below must be followed. The Final Device Test Tool accurate positions the microphones at equal distance from the speaker in the test chamber during calibration. 1. Detatch instrument from coupler and remove battery door. 2. Mount the instrument a long with flex strip on to the test tool as shown on the pictures. There will be a slight click when instrument gets to the correct position. 3. Place the test tool in the test chamber as shown on the picture. 4. Continue the testing using the 2 Microphone Equilization... program to correctly calibrate the rear microphone. 5. Remove tool from chamber and instrument from test tool - Finish. Notes and other explanations : The Final Device Test Tool is not stable enough to support the 2cc coupler if you wanted to take acoustic measurements using this tool. For this reason, the repair process needs to be taken in two steps. Page 25 of 25