Installation Of Compass Caution - ATN PVS-14 Operator's Manual

(2) Screw in the thumbscrew to secure the monocular to the weap-
on mount.
(3) loosen the clamping knob on the weapon mount. position the
weapon mount with the monocular onto the weapon's mounting rail.
tighten by turning the clamping knob.
NOTE
There is a ratchet in the weapon mount that prevents over-
tightening of the clamp. Turn until the knob clicks.
(4) Check the position of the monocular by holding the weapon in
your normal firing position. adjust the fore/aft position of the mon-
ocular as necessary by loosening the clamping knob and reposi-
tioning the weapon mount on the weapon's mounting rail.
2.3.12. INSTALLATION OF COMPASS
CAUTION
• Use of the compass with the plastic headmount or the plastic
helmet mount will result in inaccurate compass readings. The
magnet cannot be removed from these mounts.
• The magnet must be removed from the ruggedized metal
helmet mount before installation of the compass. Failure to do
so will result in inaccurate compass readings.
• If the magnet is not removed, turn the ruggedized metal
helmet mount in to unit maintenance for removal. See Figure
2.16. for location of magnet.
NOTE
• Prepare the monocular for operation.
• Leave LIF in place when installing the compass.
(1) If the sacrificial window or objective lens cap is in place, remove it.
(2) turn monocular on.
(3) rotate the objective lens focus completely counterclockwise
(while looking through the monocular).
NOTE
The o-ring must be in place in the compass in order for the
compass to fit properly.
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