Remove the light source from the metascope. Wrap
the carrying strap around the metascope. Place the
light source and metascope in the carrying case as
Section II. OPERATION UNDER UNUSUAL
in Extreme Cold
a. Battery Switching. To extend battery life, peri-
odically switch the batteries.
(1) Keep an extra set of batteries in your inner
pocket as close to your body as possible for warmth.
( 2 ) After approximately 1 hour of operation,
remove the batteries (fig. 21 and 22) and install
the warm batteries from your pocket.
( 3 ) Place the removed batteries in your inner
pocket; reinstall them after approximately 1 hour.
b. Lens Frosting. The lenses may have a tendency
to fog and frost in cold weather. Avoid breathing on
them. Clean them with lens tissue.
or Sandy Areas
a. Avoid pointing the AN/PAS-6 into the wind
unless absolutely necessary for operation. Dust and
sand will scratch and pit the optical glass surfaces of
b. Blow dust and sand off the lenses. Remove the