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Installing AAA Batteries

The device operates on two AAA lithium batteries (not included). Lithium batteries are required for this device. Alkaline and NiMH batteries do not meet the power requirements for auto-ranging functionality. When using alkaline or NiMH batteries, the sight functionality may be reduced to standard fixed pin sighting only.

  1. Using a 5/64 inch hex wrench, loosen the four screws Callout number one, and remove the battery door Callout number two from the side of the device.

    Side view of the device with the battery door and callouts
  2. Insert two AAA lithium batteries into the device, observing polarity.
  3. Replace the battery cover, and secure the screws to a maximum torque specification of 0.5 N-m (4 lbf-in).
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