TM 5-6675-318-14
Section II OPERATING INSTRUCTIONS
4-4. 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
V o l t m e t er
I n d i c a t e s i n t e r n a l o r
e x t e r n a l v o l t a g e .
Voltage Selector
Connects internal or ex -
t e r n a l b a t t e r y t o v o l t -
meter.
Thermometer
I n d i c a t e s i n t e r n a l t e m-
p e r a t u r e i n ° C .
Desiccator
Contains desiccant that
absorbs and indicates
presence of internal
m o i s t u r e .
ON/OFF Switch
Applies power to system.
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