Telex TR-300 - Manual (Page 27)

SYSTEM OPERATION
BTR-300 OPERATION
POWER
If you have followed the instructions until this
point, you should now be ready to turn both
the TR-300 and the BTR-300 “ON”.
Place the power switch on the BTR-300 in the
“ON” position. The red power on indicator
light should illuminate.
Figure 27
Power ON/OFF - Volume Control Knob
LOCAL HEADSET VOLUME
Adjust the volume control on the BTR-300 by
rotating the volume control either clockwise
or counterclockwise as required for comfort-
able listening volume.
Figure 28
Volume Control - BTR-300
PUSH TO TALK/LOCK-TO-TALK
SWITCH
To enable the talk function on the BTR-300,
press and hold down on the talk button and
begin talking. Releasing the talk button will
discontinue the microphone audio. For contin-
uous talk, quickly press the talk button twice.
This enables the talk function as long as you
want. To release the talk function press the
talk button once more and the talk function
will cease.
NOTE: The talk light will be illuminated
whenever the talk function is activated.
Figure 29
Push-to-Talk/Lock-to-Talk Switch
-25-
OFF
ON
Volume
INCREASES
VOLUME
LOCAL HEADSET VOLUME
BTR-300
Talk Gain O/M
Push Twice to Latch
TALK LIGHT
PUSH TO TALK
LOCK TO TALK SWITCH