Newcon Optik 150 operation manual Operation Instructions, Testing of operation, Operation at night

5. Operation Instructions

WARNING!

Never operate your night vision device at daylight without the lens cover on! Never direct the lens to bright light!

5.1. Prior to use

Unpack the device. To install/replace battery unscrew battery compartment cover (7) and install/replace the battery observing the polarity; close cover (7).

Make sure the lens cap (8) is closed. Check the functioning of the device by switching it on (switch 4) and looking through the eyepiece (3). If the Unit works you will see greenish lit screen. If the screen is not lit, check the battery. Replace the battery if necessary.

5.2. Testing of operation

Turn on the device using power switch (4). Lens cap (8) must be on. Direct the device on an object within 40-50 m away. Rotating the eyepiece (3) and objective lens (2) achieve the sharpest image.

5.3. Operation at night

Unscrew the lens cover (8). Turn on the device using switch

(4). Turning the eyepiece (3) achieve the most clear image on the screen. Then obtain the most clear-cut image by rotating the objective lens (2). Repeat focusing steps if necessary.

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