Care and Feeding of Telex Radio Dispatch Systems
C-6200 Setup
Phase 4 Design, Inc.
Dave Grant / dgrant@hostnw.net
425.402.7308
11/5/2010 Page 16 of 18
Receive Path
The Receive path begins at the input to the line card and ends with a speaker or earpiece. There are
very few adjustment that need to be made to the receive path. The DSP will detect and compensate
for most variations in audio levels.
7.3.1 Line Activity Monitor (LAM) / Squelch Control
The green LED under each Release Button will blink when activity is on the line. The default level
for the C-6200 console to trigger the LAM is -10dBm. The trigger point can be changed within the
tech mode. Note that the LAM can be used as a squelch circuit. The Select and Unselect audio paths
may be independently controlled by the LAM. Both options can be configured in tech mode.
Master Recorder Outputs
Three 600 ohm balanced notched audio outputs are provided for the use with an external recorder.
Select, Unselect and Crosspatch outputs are provided; the Selects actual audio sent is the sum of
Microphone and selected receive audio.
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