a power on-off switch, a focusable eyepiece
with a security shutter eye-guard; standard
pressure valve and a 7-pound differential
pressure relief valve. An adjustable neck sling
and two adjustable side hand slings are pro-
vided for handheld operation. A tripod mount
is provided on the bottom of the viewer for
mounting the viewer on a tripod for operation
or test. A molded protective cap is provided to
protect the IR window from dust, dirt or dam-
age when the viewer is not in use.
b. Case, Battery Power Supply CYT537/
PAS-7. Case, Battery Power Supply CY-7537/
aluminum cover. The cover must be opened
when charging the battery. The sealed case
has a 3-pound differential pressure relief valve.
The sealed case contains the 6-volt silver-zinc
battery that is held in place by cushioned
spacers. The unit mounts to a standard mili-
tary web gun belt through an adapter clip
containing a standard gun belt clip.
c. Charger, Battery PP-7311/PAS-7. Charg-
er, Battery PP-731l/PAS-7 (charger) (fig.
in an aluminum case sealed
one end with a latch down cover. Mounted in-
ternally are the electronic circuit card assem-