Armasight NSBEAGLE032GDS1 EAGLE GEN 2+ SD Night Vision Binocular - Manual (Page 19)

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CONTROL/INDICATOR FUNCTION
Built-in LED Indicators A GREEN GLOW in the eyepiece viewing area indicates excessive
light conditions. After 10 s of exposure to bright light, the intensifier
will shut off automatically. The unit will turn back on again when
moved away from the excessive light.
A PERMANENT RED GLOW in the eyepiece viewing area indicates
that the IR illuminator is operating.
A FLASHING RED LIGHT in the eyepiece viewing area indicates that
the battery is low.
3.3 OPERATING PROCEDURES
3.3.1 OPERATING PROCEDURES
These procedures should be performed under nighttime conditions only.
CAUTION:
Use of the Eagle brightly lit conditions may damage the unit’s intensifier tube.
1. Verify that the battery is installed as indicated on the binoculars body.
2. Make a visual estimation of the illumination level in the viewing area. The required level of illumina-
tion is less than 1 lx (late twilight sky conditions).
3. Remove the lens caps and place it over the housing of the lenses.
CAUTION:
Before removing the objective lens caps, verify that the photoreceiver is open.
4. Turn the function switch ON. After a slight delay, a green glow will appear in the eyepieces of the
binoculars.
5. Adjust the unit diopter by rotating the rings of the eyepieces.
6. Observe the scene. Rotate the focus rings until the image is clear and sharp.
CAUTION:
Bright light sources such as firelight, headlights, searchlights, etc. can damage the Eagle. Avoid
exposing the unit to these types of light sources.
3.3.2 IR ILLUMINATOR OPERATIONS
CAUTION:
When operating the device in extremely dark conditions, the light from the unit’s IR illuminator
will be invisible to the unaided eye. However, the light can be detected by other NVDs.
TABLE 3-1. CONTINUED