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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
8
10
9
6
7
0029ap
Figure 2-34.
Cab Instrument Panel-Lower Center (Sheet 2 of 2).
Key
CONTROL OR INDICATOR
FUNCTION
6
PUMP COOLER Switch
Push up to open valve to dump water to ground.
Push down to close valve. This helps keep
water pump cool when water is not being
discharged.
7
PUMP COOLER Indicator Light Indicator light illuminates when PUMP
COOLER is open.
8
Class A Foam Indicator Light
Indicator light illuminates when Class A foam
is selected.
9
Class B Foam Indicator Light
Indicator light illuminates when Class B foam
is selected.
10
FOAM Type Selector Switch
Push switch to left for Class A foam; push
switch to right for Class B foam. Switch
automatically goes to center position when
released.
2-8
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