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5.4 Operating at night
Take off the lens cover (6, Fig.1) from the lens (7, Fig.1).
Turn on the device using switch (1, Fig.1). If lighting is
insufficient, turn on the IR illuminator by turning switch
(1, Fig.1). The red indicator (Fig. 3) will go on. IR
illuminator is effective when observing an object located
not far from the viewer.
The IR illuminator is visible to anybody
with a night vision device.
You can raise the unit up for unobstructed vision without
taking the headgear off by using the “flip/flop” feature
(Fig. 2). To do so: press the lever (9) and raise the device
into vertical position, until you hear a click.
Reverse the operation for a working position.
5.5 Adjusting to individual vision
Turn on the device. Direct the device at an object placed
within 8-15 m from the viewer. Obtain the sharpest image
possible on the eyepiece screen by focusing the eyepiece
lens (3) and then the objective lens (7, Fig.2).