ATN Mars 2 Operator's Manual page 41

TABlE 4-1. pREVENTIVE MAINTENANcE cHEcKS AND SERVIcES
SEq. ITEM TO
NO. cHEcK
operation
7
Switch
reticle
Bright-
8 ness/Color
adjustment
knob
9 Focus Knob
remote
10
Control
Mounting
11
System
Installation
12
security
cHEcKING pROcEDURE
Inspect for broken or miss-
ing switch.
Check for operation (with-
o u t b at ter y) . tur n t h e
switch from oFF to on.
each position should have
a definite stopping point.
Inspect for broken or miss-
ing knob.
Check for operation (with-
o u t b at ter y) . tur n t h e
switch from oFF to maxi-
mum brightness position.
each position should have
a definite stopping point.
Check to ensure:
— Inspect for broken or
missing knob.;
— there is free rotation of
the focus ring (more than
1/4 turn).
Check cable and key for
damage. Check velcro
tape for wear. ensure the
remote control connects to
the scope plug securely.
Check for damage or cor-
rosion.
Check for proper opera-
tion.
Check the scope which
installed on the arm rail
does not have any move-
ment. tighten fixing nuts if
necessary.
NOT fUllY MISSION
cApABlE If:
Switch missing.
Switch inoperative.
Knob missing.
Knob inoperative.
Focus knob missing.
Focus knob cannot be
rotated.
Cab le or key d am -
a g e d . ve l c r o t a p e
missing. Connector
damage affects abil-
ity to connect remote
control to the scope.
Mount body or axles
damaged.
Fixing nuts or rail with
a fixing projection are
missing.
4-3