Controls And Connections; External Controls; Headset Xlr Connector Wiring; External Controls, Tr-200 - Telex TR-200 Service Manual
Professional wireless intercom system
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Also See for TR-200:
- Operating instructions manual (46 pages) ,
- Operating instructions manual (23 pages) ,
- Service manual (26 pages)
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I
I
CONTROLS AND CONNECTIONS
External Controls (Refer To Figure 1-2)
Push-To-Talknock-To-Talk Switch: For Model
TR-200, this switch enables the talk function. For
Volume OFJ?/ON Control: This thumbwheel con-
Model TR-200J?, this switch enables the transmit
trol serves as both an off/on switch and
as
a volume
and audio function and otherwise operates as
control.
described for TR-200.
Low Battery and Overmodulation Indicator
LED:,
Low Battery Indicator: This
is
part of the
battery check circuit. When the power switch is
placed in the "ON" position the LED will flash
one time if the battery is good. A poor bkttery
will cause the LED to illuminate continuously
and a bad or unusable battery will not cause any
illumination at
all.
Talk LED Indicator: cabeled "talk") Will be
illuminated whenever the
talk
function on the TR-
200 or transmit function on the TR-2DOP is enabled.
Headset Jack: A four pin XLR connector for
1nput.Output. The headset jack will accept six dif-
ferent Telex Model Headsets. Compatible with
other intercom headsets with four pin XLR connec-
tors that are wired as shown in Figure 1-1.
Overmodulation Indicator: Uses the same
MICROPHONE
GROUND
LED as the low battery indicator. During the
talk mode, if the microphone gain is too high,
AUDIO
the LED will illuminate when talking.
OUT
02
9
WCROPHONE
AUDIO
D
Figure 1-1
BALANCED
Headset XLR Connector Wiring
LOW BATTERYIOVERMODULATION
i
INDICATOR LED
rTALK
LED INDICATOR
f
& &
USH-TO-TALK
OFFION
LOCK-TO-TALK SWITCH
l . .
.
"
d
/
n
HEADSET
BELTCLI
-
-
~~~.
RECEIVE ANTENNA
/ 1
CONTROL
Figure 1-2
External Controls, TR-200
1-3
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