2-8
The ATN Mars operates with one CR123A battery using the bat-
tery adapter or one AA type battery without battery adapter.
Install the battery as follows:
Install the battery into its housing with the polarity order shown
on the main body of the unit. The CR123A battery used with
adapter. Install adapter first, then CR123A. AA battery used
without adapter.
2.2.4. OPERATING PROCEDURES
These procedures should be performed under night light condi-
tions only.
CAUTION
Use of the Mars under high light conditions may damage the
image intensifier.
1. Make sure the battery is installed as indicated on the scope
body.
2. Make visual estimation of the illumination level in the viewing
ar ea u s i n g t h e r e f e r e n c e d at a p r e s e n te d i n A p p e n d i x A . Yo u c a n
start to operate with the scope if illumination level is less than
1 lux.
3. Remove the front lens cap.
4. Turn the power switch to the ON position. A green glow will ap-
pear in the scope eyepiece (after a slight delay).
5. Observe the scene and adjust focus rotating focusing knob to
achieve sharp image.
CAUTION
Bright sources such as light of fire, headlights, searchlights,
etc. can damage the Mars.
Take away the Mars from the bright sources that appear on
the scene.
6. Mars shut-down:
a) Turn the operation switch to OFF position. The green glow
will disappear.
b) Replace the protective cover on the input lens.
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