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Installing Batteries in the GPS 12/12XL

The GPS 12 operates on 4 AA batteries, which are installed at the base of the unit. These batteries provide up to 24 hours of use. 

Installing the Batteries

  1. Remove the battery cover by turning the thumb loop at the bottom of the unit 1/4 turn counter-clockwise. 
  2. Insert the batteries into position. The battery polarity (+ or -)  is marked on the case of the device. 

Battery Install Example 

  1. Replace and secure the battery cover by turning the thumb loop 1/4 turn clockwise. 

Battery life varies due to a variety of factors, including temperature and backlighting. You may find that lithium batteries provide longer life in colder conditions.