Newcon Optik NV207-G2, Руководство по эксплуатации

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the eyepiece screen by focusing the eyepiece lens (4, Fig. 1) and
then the objective lens (3, Fig. 1).
6.5 Focusing
To obtain a sharp image at some other distances adjust the lens
focus (3, Fig. 1) leaving the eyepiece setting intact. You should
be able to obtain a sharp image for distances from 2-10m to
infinity.
If you wear eyeglasses or NBC protective mask, you may like to
fold the rubber eyecup.
6.6 Auto shut OFF at bright light
The NV207-G2 monocular has a built-in high light sensor
located near the IR illuminator (2, Fig. 1). This sensor shuts the
monocular off after about 45 second exposure to light exceeding
10
-1
lux.
To reset the monocular switch it off and then back on as
described in 6.3 and 6.2.
High-light shut-off feature does not mean that the unit will react
to occasional flashes or bright spots. It protects the tube against
excessive light exposure only.