ATN PS-27, Operator'S Manual

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2-14
• Incline of the axis of the dayscope and the sight on 20 angular
minutes for long range firing.
• Resistance on the rifle with vigorous recoil.
Installation procedure is described in the system user’s guide.
2.3.7. IR ILLUMINATOR
Optional IR450-B4 illuminator provides the capability for opera-
tor to use the PS-27 under ex-tremely low light conditions and in
total darkness. The IR illuminator can be mounted on rail of the
platform ring (Figure 2-3) or of the scope mounting system (Figure
2-5), or on top rail of the B.A.M. system.
Figure 2-9. IR450-B4
The IR illuminator control buttons are located on its side. To
switch the Digital IR illuminator on/off press “+” and “-” but-
tons simultaneously. When the IR illuminator is switched on
you can see the green LED lit. By pushing the buttons “+” and
“-” you may adjust the IR brightness.
The IR beam is focusable to change the field of coverage. To
change the beam width slightly turn the IR lens.
You can change the position of the IR control panel to meet your
your needs. The wrench included into the set should be used for
loosening the nut located on the body of the IR. Rotate the IR to
the desired position. Tighten the nut with the wrench to secure
the new position.
IR brightness adjustment
IR elevation
IR focusing
IR windage
Fixation screw
Battery housing