VIPER
®
HD
3000
4
5
Adjustable
Eyecup
Battery
Compartment
Wrist Lanyard
Attachment
Tripod
Adapter Socket
Diopter Focus
Measure Button
Objective Lens
Utility Clip
Ocular Focus
Menu Button
BASIC OPERATION
Battery Installation and Replacement
To insert a new battery, flip up
the finger tab on the Battery Cap
located on the bottom of the unit
and unscrew, counterclockwise,
to remove. Insert CR123 battery
with the positive side (+) facing
outwards. Reinstall Battery Cap and
ensure it is tightly closed.
Power Up
Once the battery is installed,
the Viper
®
HD 3000 is in ready
condition – the normal power-
off condition when not ranging.
To power up the Viper
®
HD 3000 from ready condition
and prepare for ranging, press and release the “Measure”
button. The HCD or LOS ranging screen will display. The
auto-shutoff feature can be adjusted to 15, 30, or 60
seconds. See the “Auto-Shutoff” section on page 14.
Note: While in the menu, the Viper
®
HD 3000 will auto-shutoff
after 20 seconds if no buttons are pressed.
Battery Cap
Battery Cap
Summary of Contents for Viper HD 3000
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