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Resetting a Foretrex 301 or 401
If your Foretrex® 301 or 401 outdoor navigator is unresponsive or locked up, you may need to preform a reset.
Resetting the Foretrex
Press and hold PAGE and 
simultaneously until the screen goes blank (about 7 seconds). This does not erase any of your data or setting.
Clearing User Data
NOTE: This deletes all history and user-entered information.
Press and hold ENTER on startup until the Erase All User Data message appears.
Select YES.