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Page Title:
Table 2-2. Electronics Siren Controls |
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 TM5--4210-224-14&P
Table 2-2. Electronics Siren Controls
250 GPM Mini-Pumper Firefighting Truck
(Refer to Figure 2-4)
Key
Control or Indicator
Function
The Siren/Public Address System provides three siren signals with
manual or automatic operation and PA system and amplifier to direct
personnel outside of the cab.
1.
Manual Pushbutton.
The Manual Pushbutton operates the electronic siren in the manual
operation mode. The push button has no effect when the selector switch
is in RADIO.
It produces the WAIL tone when the selector switch is in STANDBY.
It produces the YELP tone when the selector switch is in WAIL.
It has no effect when the selector switch is in YELP.
It produces the YELP tone when the selector switch is in HI-LO.
A mechanical siren foot switch can also be used for the above modes
when the vehicle is in motion.
2.
Red Pilot LED.
The Red Pilot LED indicator illuminates when the selector switch is in
the PA position and the microphone is being used.
2-29
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