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Audio/Intercom LF Board
Cameraman intercom microphone
12. Apply a 1kHz test signal at -64dBu to the cam. intercom mic. input of Audio/Intercom LF Board (X19A-25).
13. Adjust the cam. mic. preset potentiometer for a 1kHz signal at -6dBu on the microphone output pin of the
board.
Measure at:
Adjust with:
X19B-10
ZR310
Cameraman intercom microphone PL
14. Adjust the side tone potentiometer for a 1kHz signal at 0dBu on the telephone output pin.
Measure at:
Adjust with:
X19B-13
ZR920
Limiter level camera microphone
15. Apply a 1kHz test signal at -52dBu to the cam. intercom mic. input of Audio/Intercom LF Board (X19A-25).
16. Adjust the cam. mic. limiter level potentiometer for a 1kHz signal at 0dB the microphone output pin of the board.
Measure at:
Adjust with:
X19B-10
ZR360
Cameraman intercom microphone TRS
17. Apply a 1kHz test signal at -64dBu to the cam. intercom mic. input of Audio/Intercom LF Board (X19A-29).
18. Adjust the cam. mic. preset potentiometer for a 1kHz signal at -6dBu on the microphone output pin of the
board.
Measure at:
Adjust with:
X19B-10
ZR330
Tracker intercom microphone
19. Apply a 1kHz test signal at -64dBu to the tracker intercom mic. input of Audio/Intercom LF board (X19A-13).
20. Adjust the tracker mic. preset potentiometer for a 1kHz signal at -6dBu on the mic. output pin of the board.
Measure at:
Adjust with:
X19B-8
ZR410
Tracker intercom microphone PL
21. Adjust the tracker preset potentiometer for a 1kHz signal at 0dBu on the telephone cam. output pin.
Measure at:
Adjust with:
X19B-16
ZR820
Tracker intercom microphone PL (sidetone)
22. Adjust the tracker mic. sidetone level potentiometer for a 1kHz signal at 0dBu on the output pin of the board.
Measure at:
Adjust with:
X19B-13
ZR910
Limiter level tracker microphone
23. Apply a 1kHz test signal at -52dBu to the tracker intercom mic. input of Audio/Intercom LF board (X19A-13).
24. Adjust the tracker mic. limiter level potentiometer for a 1kHz signal at 0dB on the microphone output pin of
the board.
Measure at:
Adjust with:
X19B-8
ZR460
25. Switch off power. Return Audio/Intercom LF Board to its position in the camera.
Adjustments
Required result:
-6dBu
Required result:
0dBu
Required result:
0dBu
Required result:
-6dBu
Required result:
-6dBu
Required result:
0dBu
Required result:
0dBu
Required result:
Correct:
0dBu
Technical Manual LDK 20(S) - Studio Camera
Incorrect:
4-53
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