Battery Information
WARNING
The temperature rating for the device may exceed the usable range of some batteries. Alkaline batteries can
rupture at high temperatures.
NOTICE
Alkaline batteries lose a significant amount of their capacity as the temperature decreases. Use lithium
batteries when operating the device in below freezing conditions.
Installing AA Batteries
The handheld device operates on two AA batteries (not included). Use NiMH or lithium batteries for best
results.
1 Turn the D-ring counter-clockwise, and pull up to remove the cover.
2 Insert two AA batteries, observing polarity.
3 Replace the battery cover, and turn the D-ring clockwise.
Selecting the Battery Type
1 From the main menu, select Setup > System > Battery Type.
2 Select Alkaline, Lithium, or Rechargeable NiMH.
Maximizing Battery Life
You can do several things to extend the life of the batteries.
• Reduce the backlight brightness (Adjusting the Backlight Brightness, page 14).
• Reduce the backlight timeout (Display Settings, page 18).
• Decrease the map drawing speed (Map Settings, page 9).
• Turn off GLONASS (GPS and Other Satellite Systems, page 13).
Long-Term Storage
When you do not plan to use the device for several months, remove the batteries. Stored data is not lost when
batteries are removed.
Turning On the Device
Hold .
2 Introduction
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