Satellite System: Sets the satellite system to GPS, GPS + GLONASS, or Demo Mode (GPS off).

WAAS/EGNOS: Sets the system to Wide Area Augmentation System/European Geostationary Navigation Overlay Service (WAAS/EGNOS). For more information about WAAS, go to www.garmin.com/aboutGPS/waas.html.

Text Language: Sets the text language on the device.
NOTE: Changing the text language does not change the language of user-entered data or map data.

Interface: Sets the format of the serial interface.

Configure Keys: Assigns shortcuts to the user key and power key.

AA Battery Type: Allows you to change the type of AA battery you are using. This setting is disabled when the NiMH battery pack is installed.