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3
Getting Started
Installing the Batteries
The GPS 300 uses two AA alkaline batteries that are installed
at the back of the receiver. To remove the battery cover, turn
the ring of the battery door screw counterclockwise until the
battery cover can be removed.
Insert the new batteries as
shown, being sure to respect the
polarities, and replace the
battery cover.
Replace the screw and turn the
ring clockwise until the battery
door is held in place securely.
You should avoid overtightening
the battery door screw.