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6.2. Testing NVS-33 in the daytime
Daytime mode of NVS-33 was designed for testing
purposes only. Image may be fuzzy.
To test the device in the daylight:
1. Turn switch (5) (Fig.1) into ON position.
2. Direct the device at an object within 10-20 m
from the viewer.
3. Turning the focus knob (7) (Fig.1) adjust focus
to obtain
4. The sharpest image visible through the eyepiece.
Keep the objective lens cover closed during
daytime. Do not direct night vision attachment to
bright sources of light, the Sun, highly reflective
surfaces and similar objects. This may damage the
image intensifier tube inside.