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Suitable Cable Lengths

The tables in this section show the approximate maximum cable

lengths for differing maximum required currents.

Loop impedance (at 1.6kHz) should be less than the voltage capability

of the driver (

: 7.5Vrms,

V15

: 15Vrms,

V15a

: 15Vrms) divided by the

required current.

This achieves 400mA/m field strength at 1kHz.

Current

2.0A

3.0A

4.0A

5.0A

Cable Type

Cable Length

Maximum

Cable

Length

Round

Cable

(CSA)

0.5mm

85m

56m

42m

34m

1mm

133m

89m

66m

53m

1.5mm

155m

103m

77m

62m

2.5mm

173m

115m

86m

69m

Flat Cable

(Width)

10mm

101m

67m

50m

40m

12.5mm

192m

128m

96m

77m

25mm

255m

170m

127m

102m

V7 Single-Turn Hearing Loop (Metric)

V7 Single-Turn Hearing Loop (Imperial)

Current

2.0A

3.0A

4.0A

5.0A

Cable Type

Cable Length

Maximum

Cable

Length

Round

Cable

(AWG)

18AWG

438ft

292ft

219ft

175ft

14AWG

593ft

395ft

296ft

237ft

Flat Cable

(Width)

18AWG

(equivalent)

505ft

336ft

252ft

202ft

14AWG

(equivalent)

711ft

474ft

355ft

284ft

Содержание V Series

Страница 1: ...1 V7 V15 V15a Installation User Guide November 2019 Hearing Loop Drivers ...

Страница 2: ...p Troubleshooting Technical Specifications Standards 3 4 5 6 7 8 10 12 13 21 22 27 28 29 31 32 Contacta has a policy of continuous product development therefore small specification changes may not be reflected in this manual Images labels packaging accessories and product colors are subject to change without notice ...

Страница 3: ...ing loop driver with integral phase shifter for phased array configuration These hearing loop drivers have Class D amplifier output stages and an audio subsystem built around an advanced DSP core Combined with a powerful CPU that ensures peak performance they use cutting edge technology proven in the pro audio world to achieve life like speech and first class music reproduction Note For large area...

Страница 4: ...op Driver 6 Installation User Guide 7 Power Supply PS 55 8 IEC Power Lead V7 5 6 4 8 7 1 2 3 1 Rubber Feet x4 2 0 508cm Euro Block Connector 3 0 381cm Euro Block Connector x2 4 Signage 5 V15 Hearing Loop Driver 6 Installation User Guide 7 Power Supply PS 60 8 IEC Power Lead V15 5 6 4 8 7 1 2 3 Plug type varies by country ...

Страница 5: ...d Hearing loop drivers also require ancillary equipment for audio feeds such as a microphone or sound system 5 6 1 Rubber Feet x4 2 0 508cm Euro Block Connector x2 3 0 381cm Euro Block Connector x2 4 Signage 5 V15a Hearing Loop Driver 6 Installation User Guide 7 Power Supply PS 60 8 IEC Power Lead 4 8 7 V15a 1 2 3 ...

Страница 6: ...balanced line input feedthrough 4 Power Supply Input V7 DC Power Input 2 1mm 14Vdc 2 14A V15 DC Power Input 2 1mm 24Vdc 4 17A V15a DC Power Input 2 1mm 24Vdc 4 17A Caution Use only the provided Power Supply 5 Loop A Output 5 08mm Euro block 6 Loop B Output 5 08mm Euro block V15a only Rear Panel Connections Connections 1 2 3 4 5 6 Note Only connect to one Line Input at a time ...

Страница 7: ...7 Connection Examples XLR to XLR line TRS to XLR line Unbalanced to XLR XLR to Euroblock balanced Unbalanced to Euroblock ...

Страница 8: ...able Type Cable Length Maximum Cable Length Round Cable CSA 0 5mm 85m 56m 42m 34m 1mm 133m 89m 66m 53m 1 5mm 155m 103m 77m 62m 2 5mm 173m 115m 86m 69m Flat Cable Width 10mm 101m 67m 50m 40m 12 5mm 192m 128m 96m 77m 25mm 255m 170m 127m 102m V7 Single Turn Hearing Loop Metric V7 Single Turn Hearing Loop Imperial Current 2 0A 3 0A 4 0A 5 0A Cable Type Cable Length Maximum Cable Length Round Cable AWG...

Страница 9: ...80m 120m 90m 72m 12 5mm 340m 226m 170m 136m 25mm 450m 300m 225m 180m V15 Single Turn Hearing Loop Metric Current 2 0A 3 0A 4 0A 5 0A Cable Type Cable Length Maximum Cable Length Round Cable AWG 18AWG 746ft 498ft 373ft 299ft 14AWG 997ft 664ft 498ft 399ft Flat Cable Width 18AWG equivalent 840ft 560ft 420ft 336ft 14AWG equivalent 1327ft 885ft 663ft 531ft V15 Single Turn Hearing Loop Imperial ...

Страница 10: ...7m 131m 99m 79m 12 5mm 373m 249m 186m 149m 25mm 493m 329m 247m 197m V15a Single Turn Hearing Loop Metric Current 2 0A 3 0A 4 0A 5 0A Cable Type Cable Length Maximum Cable Length Round Cable CSA 1mm 193m 129m 97m 77m 1 5mm 209m 139m 104m 83m 2 5mm 219m 146m 110m 88m Flat Cable Width 10mm 172m 115m 86m 69m 12 5mm 267m 178m 133m 107m 25mm 316m 211m 158m 126m V15a Double Turn Hearing Loop Metric ...

Страница 11: ...21ft 614ft 461ft 369ft 14AWG equivalent 1456ft 971ft 728ft 582ft V15a Single Turn Hearing Loop Imperial Current 2 0A 3 0A 4 0A 5 0A Cable Type Cable Length Maximum Cable Length Round Cable AWG 18AWG 598ft 399ft 299ft 239ft 14AWG 684ft 456ft 342ft 273ft Flat Cable Width 18AWG equivalent 723ft 482ft 362ft 289ft 14AWG equivalent 949ft 633ft 475ft 380ft V15a Double Turn Hearing Loop Imperial ...

Страница 12: ... ground fault with the hearing loop s has been found The driver will halt operation with this message displayed on screen as such a fault would cause stress to the driver were normal operation to continue Switch off the driver and carefully check the loop s for shorts to ground Rectify the faults and re apply power to the driver Incorrect Power The power input supply voltage from the mains power s...

Страница 13: ...locking and making adjustments V7 and V15 1 Clip Status Light When lit this status LED indicates the signal on Hearing Loop A is clipping see Troubleshooting on page 28 for appropriate solutions 2 Clip Status Light When lit this status LED indicates the signal on Hearing Loop B is clipping see Troubleshooting on page 28 for appropriate solutions 3 Display Screen Indicates the status of the Loop Ou...

Страница 14: ...ng the wrong code returns the hearing loop driver to the lock screen Additional Functions and Codes 1 To access one of the additional functions available press the control dial and when prompted Unlock driver click Yes 2 Enter one of the following passcodes 1010 Disable the display backlight 10 minute auto switch off This setting is remembered through power cycles 1011 Enable the display backlight...

Страница 15: ...earing loop driver s control dial clockwise will move the screen to the next menu item and rotating the dial anti clockwise will move it to the previous menu item The menu options are as follows Adjustment Mode Press the control dial in to enter Adjustment Mode the arrows on the display screen will move to a left and right position Rotate the dial clockwise or anti clockwise to make the adjustment...

Страница 16: ...om line indicates the strength of the loop output level adjustment To alter the loop output level enter Adjustment Mode To increase the loop output level rotate the control dial clockwise To decrease the loop output level rotate the control dial anti clockwise Press the control dial once to confirm the selection and return to the main menu The hearing loop driver s Loop Output section displays the...

Страница 17: ...ise Press the control dial once to confirm the selection and return to the main menu Line Input The hearing loop driver s Line Input section displays the line input level within a range of 47dB The text on the display indicates if the correct line level has been achieved Low indicates the line level is too low for the automatic gain control to operate Good indicates the line level is at an optimum...

Страница 18: ...l dial clockwise or anti clockwise in Adjustment Mode will toggle the phantom power on or off Press the control dial once to confirm the selection and return to the main menu Phantom power for a connected microphone is set off as the default setting ...

Страница 19: ...ce to confirm the selection and return to the main menu The hearing loop driver s Microphone Input section displays the microphone input level within a range of 47dB The top line of the display indicates if the correct microphone input level has been achieved Low indicates the microphone level is too low for the automatic gain control to operate Good indicates the microphone level is at an optimum...

Страница 20: ... made using the Loop Output section see page 16 When in the Loop Trim section adjustments are made in 1dB steps The measured loop output current is displayed in amps RMS accurate for sine signals Adjustments Enter Adjustment Mode to alter Loop B Trim relative to Loop A To increase the Loop B Trim level rotate the control dial clockwise To decrease the Loop B Trim level rotate the control dial anti...

Страница 21: ...igh frequency compensation level enter Adjustment Mode To increase the high frequency compensation level rotate the control dial clockwise To decrease the high frequency compensation level rotate the control dial anti clockwise Press the control dial once to confirm the selection and return to the main menu To calculate the correct high frequency compensation level refer to Set Up on page 22 High ...

Страница 22: ...d Clipping see page 24 25 Step 4 Field Uniformity see page 25 26 Step 5 Final Output Level Adjustment see page 26 Step 6 Input Signal Level Adjustment see page 26 Set Up Required for Set Up Note Throughout set up record values on the provided Compliance Certificate document whenever you see the following icon The Compliance Certificate document confirms compliance with IEC 60118 4 if your values a...

Страница 23: ...eated user 5 6 for standing users A tripod or similar for mounting the FSM is recommended 2 Any lights or equipment normally active in the surrounding area should be turned on to ensure an accurate testing environment 3 Set the FSM to the Background Noise mode A weighted 4 Measure and note the background noise level throughout the looped area on the Compliance Certificate document 5 Listen to the ...

Страница 24: ...s required to achieve 0dB a different 3 Set the TSG to the 1kHz setting 4 Set the FSM to the Third Octave F 1000Hz setting 5 Adjust the line level until Good is displayed 6 Adjust the drive level to achieve 2 amps of output current 7 Set the TSG to the pink noise setting and record the value measured by the FSM 8 Set the FSM to the Third Octave F 100Hz setting and record the value measured 9 Set t...

Страница 25: ...Uniformity If the driver s front panel Clip LEDs are lit the driver is clipping This means the loop connected is too long and therefore 1 The system is not IEC60118 4 compliant 2 The sound will be distorted 3 The driver may be susceptible to damage and warranty voided Perform one of the following solutions and repeat until there is no clipping 1 Reduce the loop current 2 Reduce the length of the l...

Страница 26: ...evel until Good is displayed on audio peaks 3 The system is now set up 2 Reduce the loop output current to 2 amps a Set the FSM to the RMS Peak A Weighted mode and record the value measured by the FSM in the center of the loop b Move the FSM to other user positions within the looped area and record the values measured by the FSM 3 The differences measured in other positions should not be greater t...

Страница 27: ...er than 0dB ARMS Adjustment to drive current level required based on the measured field strength Measured Field Strength Output current that will achieve 0dB Steps to increase Drive Steps to decrease Drive 6 00dB 1 00A 6 5 00dB 1 12A 5 4 00dB 1 26A 4 3 00dB 1 42A 3 2 00dB 1 59A 2 1 00dB 1 78A 1 00dB 2 00A 0 0 1 00dB 2 24A 1 2 00dB 2 52A 2 3 00dB 2 83A 3 4 00dB 3 17A 4 5 00dB 3 56A 5 6 00dB 3 99A 6...

Страница 28: ... 2 Internal failure 1 Check input signal source 2 Incorrect hearing loop driver being used The loop output level indicates current is flowing but I hear nothing in the loop 1 Shorted feeder cable 2 Loop listener is not working or being used too far from loop 1 Check feeder cable although the hearing loop driver will usually refuse to tune to shorted feeder 2 Check listener and location The sound i...

Страница 29: ...econds Loop Connector 5 08mm Euro block Audio system Frequency Response 80Hz to 6 5kHz Distortion THD N 1 40dB AGC Peak detecting HF Comp 7 optimised stages Note 1 Z 1 4Ω 133uH 0 685Ω 1 6kHz Note 2 1 40dB distortion Display Control Display LED Backlit LCD display Control Single rotary control Fault Monitoring and Protection Main Display Open circuit loop DCR measurement Loop ground fault Front Pan...

Страница 30: ...0 seconds Loop Connector 5 08mm Euro block Audio system Frequency Response 80Hz to 6 5kHz Distortion THD N 1 40dB AGC Peak detecting HF Comp 7 optimised stages Note 1 Z 3Ω 265 4uH 1 37Ω 1 6KHz Note 2 1 40dB distortion Display Control Display LED Backlit LCD display Control Single rotary control Fault Monitoring and Protection Main Display Open circuit loop DCR measurement Loop ground fault Front P...

Страница 31: ...o system Frequency Response 80Hz to 6 5kHz Distortion THD N 0 3 50 5dB Full current both outputs driven AGC Peak detecting HF Comp 7 optimised stages Note 1 Z 3Ω 265 4uH 1 37Ω 1 6KHz Note 2 1 40dB distortion Display Control Display LED Backlit LCD display Control Single rotary control Fault Monitoring and Protection Main Display Open circuit loop DCR measurement Loop ground fault Front Panel LED O...

Страница 32: ...t may cause undesired operation CAUTION Changes or modifications not expressly approved by Contacta Systems LTD or an authorised partner could void the user s authority to operate the equipment Correct disposal of this product This marking indicates that this product should not be disposed with other household waste throughout the EU To prevent possible harm to the environment or human health from...

Страница 33: ...33 ...

Страница 34: ...34 ...

Страница 35: ...35 ...

Страница 36: ...36 Local dealer Contacta Inc 616 392 3400 support contactainc com www contactainc com ...

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