ATN PVS-7 Operator's Manual page 28

InterVal &
SeQUenCe
B D
3
4
5
6
7
8
9
10
2-6
no. IteM to Be InSpeCteD/
a
CarrYInG CaSe - Check for dirt, moisture
and mildew. Clean with mild detergent and wa-
ter. Dry with lint-free cloth.
BatterIeS - remove batteries. Check for
corrosion on terminals and dirt or moisture in
battery cap. Clean battery cap with dry cloth.
replace batteries if corroded.
lenSeS - Check for dirt and moisture. Clean
with lens paper or brush and/or alcohol and
cotton swabs
eYeCUpS - Check for dirt, dust, cracked or
torn cups. Inspect for bent, broken or improp-
erly fitting eyecup.
InterpUpIllarY aDJUStMent - Slide
each eyepiece back and forth to check for
binding or looseness.
oBJeCtIVe lenS FoCUS KnoB - rotate
objective lens focus knob to ensure free move-
ment (range is approximately 1/3 turn).
neCK CorD & lenS Cap- Check for cracked,
torn or missing lens cap. Inspect cord for cuts,
damage or frayed ends. re-tie ends if neces-
sary.
latCH - Inspect for damage.
proCeDUre