TM-9-2320-328-13-P-1
HEMTT-BASED WATER TENDER (HEWATT)
TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3
MARCH 2009
TM-9-2320-328-13-P-1 - Page 67 of 1318
TM 9-2320-328-13&P-1
0004-5
DRAFT
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Change 1
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HWT0009A
Figure 5. Cab Instrument Panel - Upper Right/Electronic Siren Controls.
Key
Fig. 5
Control or Indicator
Function
1
MANUAL Operation Switch
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NOTE
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 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 RADIO, STANDBY, WAIL, YELP, and HI-LO.
4
P.A. VOL. Switch
Used to adjust level of P.A. audio volume.
5
Push-To-Talk (PTT) Microphone
Used to communicate with other radios.
Push button to talk.
Release button to listen.
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