DRAFT
TM 5-4210-249-13&P-2
0170
TFFT04202
NOTE
Two-way radio is turned on, by pressing and releasing volume control knob.
Step 2.
Turn battery disconnect switch to ON position (WP 0007). Push two-way radio volume
control knob to on position (WP 0004). Check if two-way radio display illuminates.
If two-way radio display does not illuminate, go to Step 5.
NOTE
Two-way radio will enter into a self test mode after power up. If power up self test is
successful, you will hear two high pitch tones. If two-way radio fails to power up, you will
hear a single low pitch tone.
Step 3.
Push two-way radio volume control knob to off position (WP 0004). Turn two-way radio
volume control knob clockwise to full volume position (WP 0004). Push two-way radio
volume control knob to on position (WP 0004). Check for audible two-way radio self
test tones.
If two-way radio transmits a single low pitch tone, replace two-way
radio (WP 0430).
Step 4.
Disconnect communication bus line between two-way radio and intercom
controller (WP 0430). Using two-way radio microphone, check if two-way radio
transmits and receives to and from a handheld radio.
a.
If two-way radio does not operate properly, replace two-way
radio (WP 0430).
b.
If two-way radio operates properly, troubleshoot Intercom and
Headsets Do Not Operate Properly (WP 0173).
0170-2