CONTROLS and CONNECTIONS
FRONT PANEL ( Refer to Figure 3)
Power ON/OFF Switch:
Push this switch
once toturn power ON; push it again to turn the
power OFF.
Power ON Indicator:
The Power ON Indica-
tor is illuminated when the Power ON/OFF
Switch is pushed in the ON Position. It re-
mains illuminated while the Transceiver ison.
Local Headset Connector:
4 Pin XLR Con-
nector for Input/Output. The headset jack will
accept 6 different Telex Model Headsets. See
“Recommended Headset” Section in back of
manual for more information. Compatible with
other intercom headsets with four pin XLR
connectors that are wired as shown in Figure 2.
Figure 2
Headset XLR Connector Wiring
Local Headset Volume:
Adjusts volume to
Local Headset. DOES NOT AFFECT MICRO-
PHONE GAIN.
Mic On-Push-to-Talk/Lock-to-Talk Switch:
Enables the local headset microphone audio
function.
NOTE: DOES NOT
control base station RF
transmit.
Local Push-to-Talk Indicator:
Will be illumi-
nated whenever the talk function is on.
Local Microphone Gain Control and
Overmodulation Indicator:
A screwdriver
adjustable control is provided to control the in-
put level of the local headset mic. This input is
protected from overloads by means of a gain
compressor whoseoperation is signaled by the
gain LED indicator.
Portable Enable Switches and Indicators:
When in the “IN”
position, the Enable
switches allow the user of the
corresponding
portable unit to be heard by others connected
to the system. When in the “OUT” position,
the respective portable will be muted, but this
portable will still be able to hear all other se-
lected remotes and interfaces. The indicators
normally show the presence of a portable
transceiver in use on the channel correspond-
ing to that indicator.
-5-
1
2
3
4
MICROPHONE
SHIELD (-)
MICROPHONE
AUDIO (+)
HEADPHONE
BALANCED
AUDIO
OUT
BTR-200/TR-200
MALE CONNECTORS