Operation Manual
2-7
ITEM
NO.
INTER-
VAL
LOCATION
PROCEDURE
NOT FULLY
MISSION
CAPABLE IF:
CHECK/
SERVICE
3.
Cont.
Before/
After
Battery Cap/
Housing
Cont.
Remove battery and turn the power switch
from RESET/OFF to ON to IR/PULL. Each
position should have a definite stopping
point. Inspect for broken or missing knob.
Install battery per paragraph 2.6. and check
IR source (and momentary IR source, if so
equipped) functions by following the oper-
ating instructions in paragraph 2.22.
Check the high light cut-off with daylight or
bright room light (not fluorescent light) by
placing the lens cap on the objective lens.
Turn monocular ON and observe that the
system cuts OFF within 70 ±30 seconds.
Power switch has
no definite stopping
points or knob is bro-
ken or missing.
IR source does not
work.
If damaged, refer to
higher level of main-
tenance.