Troubleshooting Advent ADV800XM Navigation System

Troubleshooting the Advent ADV800XM Navigation System
Why won't my ADV800XM Navigation System turn on?	Check that the power cable is properly connected. Make sure the main hardware switch on the bottom of the unit is set to On.
Why is the GPS signal strength weak on my ADV800XM Navigation System?	In some applications/installations, the GPS signal may be difficult to receive. Position the built-in GPS antenna to a better angle for signal reception. Relocate the antenna or purchase an external MCX GPS antenna.
Why isn't there any sound coming from my ADV800XM Navigation System's internal speaker?	The speaker may be turned off or redirected to the stereo speakers in your car or home. Press Setup/Audio. Press the button to change the setting from FMT Mode to Speaker Mode.
Why isn't there any sound coming from my car stereo speakers when using the ADV800XM Navigation System?	You have selected an unavailable FM frequency. Tune to the correct FM frequency on your car radio. Confirm that FMT is on. Confirm that the XM antenna or the FMT pigtail is connected.
Report missing addresses, incorrect housing numbers or improper points of interest for portable navigation on the ADV800XM	Please Click here to report information

For more information concerning your ADV800XM, please refer to the
Owner's Manual or NavMate Software Manual.