Luna Optics EBG1-PRO - Manual (Page 8)

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Please note that it is possible
to momentary turn the 805nm
illuminator on by pressing the
momentary IR button (7). This
button will only turn on the
distant illuminator (11), not the
close-up illuminator (14)
To turn the second (distant) IR illuminator (11), rotate the switch
one more dial to the IR2. Look through the oculars and you will
notice a faint red light indicator at approximately 7 o’clock
position outside of the field of view. This is an indication of the IR
illuminator working. The second IR illuminator is much more
powerful and will provide approximately 25-35yds of light beam
to assist your viewing in complete darkness. To turn the second
IR off, rotate the switch either one dial back to IR1, or two dials
back to ON position.
The second IR illuminator
comes with a removable
focusing head lens (see insert
image below) allowing you to
either narrow the light beam
(for increased distance) or to
spread the beam across the
entire field of view when
operating on shorter distances. Rotate the head lens gently
outward to narrow the beam, but stop rotating once you feel
the lens hit a barrier. Rotate the lens inward until full stop to
widen the beam. Your goggles are shipped with head lens
installed and we do not recommend to ever removing the IR
lens.
When using the infrared illuminator it is important to remember
that like a flashlight, it is brightest when used in short distances.
As the distance increases, the intensity of the infrared light
fades away.
AUTOMATIC GAIN CONTROL AND PROTECTION SENSOR:
Please note that the unit is equipped with the special Auto-
Gain control, which would not
allow you to turn on the unit
without the lens cover in a well-
lit area, as well as will protect
your unit in case of an
accidental, or sudden exposure
to a bright light. Please note
that even though this is an