Newcon Optik STARGATE M, Operation Manual

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5. Operation Instructions
Never operate your night vision device at daylight
without the lens cover on. Never direct the lens towards
bright light.
5.1. Operation
Once in dark environment, take off the lens caps (4).
Operation without the lens cover on is acceptable only at the
illumination level below 1 lux. At such illumination a
person with normal vision can read a newspaper with
difficulty after 5-10 minutes of eyes’ adaptation.
Check the functioning of the device by switching it on: push
activation lever (5) towards the body of the unit and look
through the eyepiece (3). You should see a greenish-lit
screen. Rotate eyepiece (3) to focus. In order to focus on a
different distance, rotate the objective lens (2).
5.2. Lever
Proper operation of the activation lever: Push it down and
hold in this position. This should provide 30-60 seconds of
operation. Once the screen begins to dim, boost the image
by releasing the handle and pushing it down again after a
few seconds (not immediately!).
Pumping the lever up and down rapidly will deactivate the
power mechanism for 15-30 minutes.