Foretrex 301/401 Battery Information

The Foretrex® 301 and 401 outdoor navigators operate on two AAA batteries. Use alkaline or NiMH batteries. Use precharged NiMH batteries for best results.

Select the battery type:

1. From the main menu, select SETUP.
2. Select SYSTEM
3. Select BATTERY
4. Select ALKALINE or NIMH

Optimizing Battery Life

Use premium batteries for optimal performance and maximum battery life.

Consider the following suggestions to maximize battery life:

• Excessive use of the backlight will significantly decrease battery life.
• Select a shorter backlight timeout (page 3).
• Turn tones off if not needed.
  1. From the main menu, select SETUP
  2. Select SYSTEM
  3. Select BEEPER
  4. Select OFF
• Turn off the compass when it is not being used (Foretrex 401 navigator only).
  1. Select SETUP
  2. Select HEADING 
  3. Select COMPASS 
  4. Select OFF