Armasight NRWVULCAN439DB1 Vulcan 4.5X Gen3 Bravo MG - Compact Professional 4.5x Night Vision Rifle Scope - Manual (Page 26)

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3. Remove the objective lens cap and place it over the lens’ housing.
CAUTION:
Before removing the objective lens cap, verify that the photoreceiver is open.
4. Verify that there are no bright light sources in the Vulcan’s field of view. Turn the device ON. After a
slight delay, a green glow will appear in the day scope’s output lens.
CAUTION:
Avoid exposing the device to bright light sources such as firelight, headlights, searchlights, etc.,
as these can damage the Vulcan.
5. To operate the Vulcan in short-time activation mode, turn the switch to the STB position. To activate
the Vulcan, press and hold the remote control button. Release the remote control button to deacti-
vate the Vulcan.
6. Observe the scene and adjust the focus. To focus the Vulcan, turn the diopter ring clockwise until
it stops. Then, while looking through the eyepiece, aim the sight towards an object in the distance
and begin slowly rotating the diopter ring in a counterclockwise direction until the image becomes
sharp and clear.
NOTE:
If you are operating your Vulcan in daylight, be sure that the protective lens cover is securely
fitted over the objective lens before you begin adjusting the diopter.
7. Adjust the image contrast by rotating the Vulcan’s gain control knob.
8. Adjust the brightness of reticle by rotating the reticle brightness control knob.
CAUTION:
Do not leave the Vulcan activated if it is not being used.
3.3.3 OPERATING IR850
Use the IR850 in poor light conditions or complete darkness.
CAUTION:
When operating the device in extremely dark conditions, the light from the unit’s IR illuminator
will be invisible to the naked eye. However, the light can be detected by other NVDs.
NOTE:
Do not leave the IR850 activated when the device is not in use.
1. After examining a scene with the Vulcan, turn on the IR850.
2. To change the radiated power level, turn the power switch to one of the spots in between the two
OFF positions.
3. To adjust IR beam divergence, turn the lens.
4. To adjust the IR spot position in the field of view, loosen the clamp screw and tilt the IR850 as re-
quired in the spherical clamp hinge. Tighten the screw using a 2.5mm hex key.