Newcon Optik NIGHT VISION ATTACHMENT NVS-33 - Manual (Page 25)

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6.5. Operation at night
Operation procedure:
1. Check the adjustment of the daytime riflescope
(diopter adjustment, parallax adjustment, etc.).
2. Install the battery into the NVS-33 and mount it
in front of the daytime riflescope as described
above.
Being mounted in front of a daytime riflescope, the
night vision riflescope attachment NVS-33 keeps all
tactical features of a daytime riflescope (zoom level,
adjustment step, etc.) intact.
3. Open the objective lens cover (9) (Fig.1).
4. Turn the switch (5) (Fig.1) of the device into ON
position. You should see a yellowish-green light
through the eyepiece of a daytime riflescope (the
device works in passive mode).
5. Set the required magnification of a day
riflescope.