Newcon Optik NIGHT VISION ATTACHMENT NVS-33 - Manual (Page 24)

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6.3. Testing NVS-33 at night
To test NVS-33 in darkness:
1. Take off the lens cover (9) (Fig.1)
2. Turn on the device using switch (5) (Fig.1)
3. By turning knob (7) (Fig.1) obtain clear image of
the object.
6.4. Testing NVS-33 at night with daytime scope
1. Install NVS-33 (see Chapter 5
“INSTALLATION ON A RIFLE”)
2. Take off the lens cap (9) (Fig.1).
3. Turn on the device using on/off switch (5)
(Fig.1). Greenish image must be seen through
the daytime scope.
4. Select necessary zoom of the daytime scope. By
turning the knob (7) (Fig.1) of NVS-33 acquire
the target through daytime scope.