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Page Title:
OPERATOR CONTROLS AND INDICATORS (CONT) |
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 TM 3-6665-329-13&P
Control or
Function
Key
Indicator
F. ALARM switch
Inhibits or permits operation of electronic
amplifier alarm circuits.
G. SYNC PULSE lamp
Flashes 6 times 1 in 10 seconds when current
is "in phase" during test of M43A1 detector.
Receives extender board and M43A1
H. Receptacle connector
detector electronic amplifier.
10
Used to check offset input circuits in
OFFSET input switch
cell module of M43A1 detector.
Used to test automatic background
AUTOMATIC BACKGROUND switch
11
circuit in M43A1 detector.
Used to stop and start M43A1 detector vacuum pump
12
MOTOR TURN-OFF switch
unit, RE motor during pump test.
Controls input to ammeter: SHUNT
13
AMMETER switch
or MEASURE.
14
INPUT POWER
Protects electronics component board
A. 2-AMP fuse
against short circuits.
To hook up variable external power
B. Binding posts
supply for testing the test set.
Receives power plug from battery,
C. Receptacle connector
M10 power supply, or M10A1 power supply.
Tip jacks to receive multimeter probes
15
CURRENT MEASURE
for measurement of current.
2-5
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