Technicolor - Thomson LDK 20(S) Audio / Intercom settings, Audio microphone signals

Audio / Intercom settings

Audio microphone signals

The high-pass filters in the audio channels reduce the background noise in the audio microphone signals. The high-pass filters can be set as follows:

Audio 1	at MCP	on/off	(off=default setting)
Audio 2	at MCP	on/off	(off=default setting)
The phantom power for different types of microphones

can be set as follows:
Audio 1	S100:	D1-E1/D2-E2	+12Vdc
		B1-C1/B2-C2	Ground *
		A1-B1/A2-B2	+48Vdc
Audio 2	S200:	D1-E1/D2-E2	+12Vdc
		B1-C1/B2-C2	Ground *
		A1-B1/A2-B2	+48Vdc
(* factory setting)

Intercom headset signals

The signal to the headset of the tracker can be selected by S420 on the Audio/Intercom LF board. Position AB (the factory setting) selects the tracker microphone sidetone signal; position AC selects the ENG signal.

Intercom microphone signals

The gain of the cameraman microphone signal can be set at Camera Menu as follows:

40db (default setting) 0db

The gain of the tracker microphone signal can be set at Camera Menu as follows:

40db (default setting) 0db

The factory settings are for headsets with a dynamic microphone.

The phantom power for both cameraman and tracker microphones can be set with S300 as follows:

AC	+12Vdc
AB	Ground (factory setting)

E D C B A

E D C B A

B A C

S200

S100

S300

B A C

S740

signal choice prog or private data

						A91X
signal choice
sidetone or eng
B			S450
A		B
C		A
S470		C
		signal choice
		tracker mic or
			private data
		069 169 S S			089 189 S S	B91 X
				B
				A
				C
		signal choice
	head set or RTS

TOP SIDE Audio Intercom LF

Installation Technical Manual LDK 20(S) - Studio Camera 2-7