20.
Push the battery release pin through the polarity key.
21.
Connect the power maintenance cable connector P1 to the EMI filter
connector 2J1.
External Power Supply
22.
Connect the power maintenance cable black lug (-) to the negative
terminal.
23.
Connect the power maintenance cable red lug (+) to the positive
terminal.
LD/R
24.
Set the following switches as indicated:
POWER
OFF
DISPLAY BRIGHT
fully cw (not detent)
TRIGGER
OFF
DES/RNG1/RNG2
RNG1
LOCATION
ACTION
NORMAL INDICATION
CORRECTIVE ACTION
25.
Ensure that the lens and the eyepiece covers are securely in place.
Mounted Avionics Electronic Shop Shelter AN/ASM-146C
26.
Ensure that the shelter door is closed.
27.
Reset the safety interlock by pressing the push switch.
External Power Supply
28.
Set the current/amps control fully cw.
29.
Set the power switch to on and adjust the voltage output to +24 V.
30.
Set the POWER switch S2 to ON.
31.
Press and hold the LAMP TEST button S7.
All indicators and display segments are on.
Go to Fault Locator troubleshooting found in TM 9-4931-477-14.
39
OD1722
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