This instructable tells how to start up a Garmin Colorado 300 GPS unit, set the brightness, select a waypoint to navigate to, and follow the unit to find it.

Step 1: Power up

Picture of Power up
Press and hold the black power button (top of unit, right hand side, with power symbol) for 2-3 seconds until the GARMIN name appears. Once it finds a satellite, it will automatically take you to the map screen.