TM 9-5855-253-10
NIGHT SIGHT TROUBLESHOOTING PROCEDURES (CONT)
3-2.
(Sheet 4 of 6)
Continued from previous page
NOTE
Allow 15 seconds for Night
Sight cooldown before pro-
ceeding. Allow more time for
a less than fully charged
coolant cartridge.
On Night Sight:
a. Set field-of-view
handle (10) to NFOV.
b. Adjust RANGE FOCUS
control (11) to obtain
I
best focus of displayed
image.
/
Return to next higher level
of maintenance.
w
On Night Sight, look through
eyepiece (4) and set field-
of-view handle (10) to WFOV.
I
LED RASTER
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