Newcon Optik NV66-G2, Operation Manual

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5. OPERATION INSTRUCTIONS
5.1 Installing battery
Unpack the device. Unit is supplied with battery not
installed.
Prior to installing the battery, make sure the switch
(1, Fig.1) is in the OFF position and the lens cap is on.
Unscrew the battery compartment cover (5, Fig.1), and
install 2 fresh AA batteries. Observe the correct polarity
indicated on the housing. Screw in the battery
compartment cover back.
5.2 Switching the unit on
In daylight put on the lens cap prior to switching
the unit on.
To check if the unit is operational switch it ON (rotate
switch (1, Fig.1) clockwise) and look through eyepiece (4,
Fig.1).
You should see greenish-lit screen. If the screen is
not lit check the battery.