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 TM 9-2320-279-10-3
Controls and Indicators (Cont)
2-91. LOCATION AND USE OF CONTROLS AND INDICATORS (CONT).
RADIO1
AUTO
RADIO
TALK
LISTEN
RADIO2
BOTH
INTERCOM
SQUELCH
VOLUME
A
B
1
2
3
4
tfft00031p
Cab Instrument Panel-Upper Right/Electronic Siren Controls.
Key
CONTROL OR INDICATOR
FUNCTION
NOTE
1
MANUAL Operation Switch
The HIT & GO feature produces audio
sounds for approximately 5 seconds.
Push button switch has no effect when selector
switch is in RADIO. Produces wail sound
when selector switch is in STANDBY.
Produces yelp sound when selector switch is in
WAIL. Has no effect when the selector switch
is in YELP. Produces yelp sound when selector
switch is in HI-LO.
2
AIR HORN Switch
Produces air horn sound in all selector switch
positions except RADIO.
3
MODE Switch
Used to switch between modes of operation.
Possible selections are PA, RADIO, STANDBY,
WAIL, YELP, HI-LO, and PUSH-TO-TALK
(PTT).
4
PA VOLUME Switch
Used to adjust level of PA audio.
2-10
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