Nextar X3-11 User Manual - Page 21
Other possibilities - software
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Troubleshooting Problem Navigator cannot receive satellite signals or does not orient Possible Cause Unit may be inside a tunnel, inside a building, or tall buildings may obstruct the satellite signal Mapping SD card may be removed for music or photo functions Possible Solution Check for obstructions Re-install Mapping SD Card Satellite signal strength is unstable. Comes and goes. Rechargeable battery is weak Unit is moving side to side too much Signal is obstructed by buildings or other materials System software fails to function after entering a command Plug in power adaptor and charge Battery Secure unit Check and correct obstruction Turn the unit off and on again to reset using slide switch on rear. Other possibilities Static or other external interference may cause the unit to function abnormally. In order to recover normal status, please unplug the power supply cord and then plug it into the outlet again to reset the unit. If the problems still exist, please cut off the power supply and consult your service center or a qualified technician. 21