TM 9-2350-247-10
DESCRIPTION AND USE OF DRIVER’S CONTROLS AND INSTRUMENTS — Continued
0004 00
0004 00-4
Lights up gauges and indicators on instrument panel when panel lights are
turned on.
INSTRUMENT PANEL
LIGHTS
Indicates level o f fuel in fuel tank.
FUEL GAUGE
Table 4. DRIVER’S INSTRUMENT PANEL - M548A1
Aids in starting engine when temperature is below 4 0
F (4.4
C).
KEY
AIR BOX HEATER SWITCH
Guarded switch allows fuel pump to be turned OFF if MASTER SWITCH
will be on for a long period of time with the engine not running.
FUEL PUMP SWITCH
CONTROL OR INDICATOR
FUNCTION
Two position toggle switch to select IR (infrared) or BO (blackout) mode of
lights operation.
IR-BO SELECT SWITCH
Engages engine starter.
START SWITCH
