BATTERIES
The Sightmark SM650 Rangefinder uses 1 CR2 (3V) lithium battery. Refer to the picture for battery instal-
lation instructions.
Battery Life: Approximately 8,000 times (at 20°C). Target focusing, measurement and automatic Power Off
are included in a single cycle. This figure may differ according to temperature and other factors, such as
target shape, color, etc.
OPERATING INSTRUCTIONS
Please strictly observe the following guidelines so you can use the equipment properly and avoid potentially
hazardous problems. The use of adjustments and controls, or performance procedures, in a way not speci-
fied herein may result in hazardous radiation exposure.
1. Battery installation: Install a battery in the battery compartment (see Batteries).
2. Diopter adjustment: Adjust the diopter to obtain a clear image in the LCD. First, rotate the eyepiece diop-
ter adjustment ring counterclockwise until it comes to a complete stop. Second, turn on the device and aim
your reticle at a distance of approximately 50 yards/meters. Rotate the diopter adjustment ring clockwise
5
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