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

Page 15
Image 15
Technicolor - Thomson LDK 20(S) Audio / Intercom settings, Audio microphone signals, Intercom headset signals