Garmin eTrex 20 – How To Do A Master Reset
In this video, I’ll show you how to do a master reset. This should erase all waypoints, routes, racks & geocaches on your device. It’ll be just like when you first got it out of the box.
1. Hold down the MENU + ENTER button at the same time
2. tap the POWER button
3. HOLD MENU + ENTER until you see the dialog on the screen
4. Select yes or no
If done right, you should see the initial routine (ie – select your language.)