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The ATN Ir450 is powered with one Cr123A lithium battery. To in-
stall the battery unscrew the cap of the battery housing and insert
the battery following the polarity arrows marked on the housing.
Put the cap in place.
The Ir-450 illuminator has a control panel with two buttons. To
switch the IR illuminator on/off press "+" and "-" buttons simultane-
ously. When the Ir illuminator is switched on you can see the green
LED lit on the back side of IR450. 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 may need adjust the focusing of the Ir beam to change the
field of coverage. Do it by slightly rotating the Ir lens. The wind-
age and elevation screws help adjust the direction of the Ir beam
from the Ir450 in order to focus on the scene observed in the
viewfinder of your NvD. Use the included Allen wrench to rotate
the adjusting screws until the Ir beam is centered. Please re-
member the adjustments should be performed under night light
conditions only.
you can change the position of the Ir control panel to meet your
your needs. The wrench that is included in the set, is used to
loosen 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.
CoNTrol PANel
FIGURE 2-17. CHANGING OF CONTROL PANEL POSITION
2-18
To looSeN NUT
To T UT
WRENCH
NUT
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