TM 5-6675-321-14
Section II OPERATING INSTRUCTIONS
1-4. DESCRIPTION AND USE OF OPERATOR’S CONTROLS AND INDICATORS.
C o n t r o l o r I n d i c a t or
Function
Blackout Override Switches
T u r n s o f f i l l u m i n a t i on
when door is opened.
Air Vent
Permits make-up air to
enter as required .
Air Conditioner/Heater Control Unit
P e r m i t s s e l e c t i o n o f a ir
conditioner or heater
mode of operation and
temperature.
Phase, Frequency, and Voltage Indicator
M o n i t o r s e l e c t r i c a l
power, phase, frequency,
and voltage.
L e v e l I n d i c a t o r s
Used to level van body.
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