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1-20 (E)
HDC-900/950 IMM
1-5. Switch Setting on the Boards
Ref. No. Name Contents Factory Setting
S103 INCOM1 MIC GAIN +/0/_ Select the audio level of INTERCOM1/2 to be sent to CCU. 0
+ :+6dB
0 : 0dB
_ :_6dB
S104 INCOM1 MIC TYPE Select from two options below in accordance with the microphone CM
of the head set connected to the INTERCOM1/2 connector.
CM : Carbon microphone
DYN :Dynamic microphone
S201-1 PGM1 MUTE ON/OFF Switch OFF to output the PGM1 signal to the PGM OUT of the ON
INTERCOM2 connector.
S201-2 PGM2 MUTE ON/OFF Switch OFF to output the PGM2 signal to the PGM OUT of OFF
the INTERCOM2 connector.
S201-3 INCOM1 MUTE ON/OFF Switch OFF to output the INCOM1 RECEIVE signal to the PGM ON
OUT of the INTERCOM2 connector.
S201-4 INCOM2 MUTE ON/OFF Switch OFF to output the INCOM2 RECEIVE signal to the PGM OFF
OUT of the INTERCOM2 connector.
S202-1 PGM1 MUTE ON/OFF Switch OFF to output the PGM1 signal to the INCOM OUT of the ON
INTERCOM2 connector.
S202-2 PGM2 MUTE ON/OFF Switch OFF to output the PGM2 signal to the INCOM OUT of the OFF
INTERCOM2 connector.
S202-3 INCOM1 MUTE ON/OFF Switch OFF to output the INCOM1 RECEIVE signal to the INCOM ON
OUT of the INTERCOM2 connector.
S202-4 INCOM2 MUTE ON/OFF Switch OFF to output the INCOM2 RECEIVE signal to the INCOM OFF
OUT of the INTERCOM2 connector.
S203 INCOM2 MIC GAIN +/0/_ Select the audio level of the INTERCOM1/2 to be sent to CCU. 0
+ :+6dB
0 : 0dB
_ :_6dB
S204 INCOM2 MIC TYPE Select from two options below in accordance with the microphone of CM
the head set connected to the INTERCOM 1/2 connector.
CM : Carbon microphone
DYN :Dynamic microphone
S300-1
*3
AUDIO1 +12 V OFF/ON Switch ON to supply +12 V for MIC POWER to the microphone OFF
connected the AUDIO IN 1 connector.
S300-2
*3
AUDIO2 +12 V OFF/ON Switch ON to supply +12 V for MIC POWER to the microphone OFF
connected the AUDIO IN 2 connector.
S301-1 TRACKER RECEIVE OUT Switch ON to mix the PGM1 signal to the TRACKER RECEIVE OUT OFF
PGM1 MIX of the TRACKER connector.
S301-2 TRACKER RECEIVE OUT Switch ON to mix the PGM2 signal to the TRACKER RECEIVE OUT OFF
PGM2 MIX of the TRACKER connector.
S301-3
*1
TRACKER RECEIVE OUT Switch ON to mix the INCOM2 RECEIVED signal to the TRACKER OFF
IMCOM2 RECEIVE MIX RECEIVE OUT of the TRACKER connector.
S301-4
*1
TRACKER RECEIVE OUT Switch ON to mix the INCOM2 TALK signal to the TRACKER OFF
INCOM2 TALK MIX RECIVE OUT of the TRACKER connector.
S303 MIC MONITOR ON/OFF Switch ON to monitor the microphone input signal at the INCOM OUT OFF
or EARPHONE OUT.
S304 TRACKER (T) 0/_20 Select the input level of the TRACKER Connector. 0
0 : 0dBu
_20 : _20dBu
(0dBu = 0.775 Vrms)