Here's a quick Garmin eTrex 10* techno adjustment that seems to reduce aimless wandering when elementary students tackle GPS activities like Hide-N-Seek. In a nutshell: Add current location (GPS coordinates) to the eTrex 10 compass display to provide real-time tracking of longitude/latitude changes.
The following setup procedures adjusts eTrex 10 Compass Display Screen.
Setup - Approx 40 Seconds/Unit to set this up
Select "Profile Change" then select "Recreational"
Select "Compass" then press Menu button (on left)
Highlight/Select "Change Dashboard" then select "Large Data Field"
From Compass display (again) press Menu button
Highlight/Select "Change Data Fields" then select top field on screen
Scroll thru Fields (alphabetically) to find/select "Location (lat/lon)"
Hit Back button to return to compass display
Usage - Students navigate using compass display.
Select “Where To?” then select “coordinates”
Enter coordinates of desired destination using Thumbstick
- remember to hit DONE
Hit Back button (Upper right) until main screen appears
Select “Compass” - you should see pointer on Compass and current Location
Wander until Location on Compass = Target Destination!
Some handy Garmin eTrex 10 links
That's it - hope it helps