ATN PVS7-HPT, Руководство пользователя

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3-3
MALFUNCTION TEST / INSPECTION CORRECTIVE ACTION
4. Light visible
around eyecup
Check eye relief dis-
tance
Check eyecup for
resiliency
Readjust for proper eye
relief distance
If eyecups defective, re-
fer to higher level of main-
tenance
5. Diopter ad-
justment can-
not be made
Check to see if the
diopter adjustment
ring is bent or bro-
ken
If damaged, refer to high-
er level of maintenance
6. Interpupil-
l a r y a d j u s t -
m e nt c a n n ot
be made (left &
right eye)
Defective eyepiece
assembly
Refer to higher level of
maintenance
7. Battery cap
difficult to turn
Check for dirt or grit
in threads
Visually inspect for
the presence of an
o-ring
C h e c k f o r d a m -
aged battery cap or
threads on battery
compartment
Clean
If o-ring is missing: refer
to higher level of mainte-
nance
If damaged, refer to high-
er level of maintenance
8. PVS-7 does
n o t s h u t o f f
when removed
f r o m h e a d
mount during
operation
Visual Return both the PVS-7
and head mount to higher
level of maintenance