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lOcaTION ITEM
SEq.
TO cHEcK/
NO.
SERVIcE
Battery
4
adapter /
Compartment
Diopter
5.
adjustment
rings
6
eyecups
objective
7
lens Focus
ring
8
lens Cap
9
viewed Image
10
Hand Strap
11
neck Strap
PROcEDuRE
Check to make sure battery
adapter is present. remove
battery adapter and inspect
for corrosion, moisture, cor-
roded or defective contacts.
rotate diopter adjustment
ring to make sure the eye-
piece is not too tight or too
loose.
Inspect for dirt, dust, and
cracked or torn cups. Inspect
for bent, broken or improperly
fitting eyecups. If necessary,
clean with water.
rotate objective lense focus
rings to ensure free move-
ment.
Inspect for cracked, torn, or
missing lens cap.
refer to Section III – opera-
tion Defects – to inspect for
operational defects.
Inspect for cuts, tears, fray-
ing, holes, cracks, or defec-
tive fasteners.
Inspect for cuts, tears, or ex-
cess wear or damaged clips.
NOT FuNcTION-
ING aT OPTIMal
lEVEl IF
adapter is miss-
ing, contacts
damaged or
corroded.
Binding, not mov-
ing freely or too
loose.
Binding or not
moving freely.
Flickering, flash-
ing, edge glow,
or shading is
observed.
Damage causes
straps to be
unserviceable.
4-3
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