TM 5-3805-261-10
DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS - CONTINUED
0004 00
MILITARY LIGHT SWITCH AND UNLOADING VALVE
0004 00
44
45
43
47
46
397-933
KEY
CONTROL OR INDICATOR
FUNCTION
43
Military Light Switch
Controls operation of service, blackout, parking, and instrument panel
lights. When operating in blackout mode, work lights, service, and
directional lights are disabled. Backup alarm and horn are also disabled
in blackout mode.
44
Mode Switch
Used to select desired mode of lighting. Release unlock (46) switch
to change modes.
45
Hydraulic Unloading Valve
Press to relieve hydraulic system pressure. Reduces load on engine
starter.
46
Unlock Switch
Lift up to unlock mode switch. Returns to locked position when
released.
47
Panel Brightness Switch
Used to adjust brightness of instrument panel lights.
0004 00-8
