Harman Kardon GPS-810NA Quick Start Guide - Page 15

ENGLISH Troubleshooting Problem/Symptom Unit does not turn on at all Unit does not have a good GPS signal Unit does not have songs/movies Computer sees unit as "MTP Device" Screen is too bright or too dim Volume is too low for navigation prompts Possible Solution Charge battery, check UNLOCK switch Make sure unit has a clear and unobstructed view of the sky Requires loading to SD card Change preference in "Settings" menu Adjust in "Settings" menu or press rotary wheel on the right side Adjust volume using rotary wheel on the right side or adjust volume of navigation prompts in Volume Mixer (Settings Menu) Output level is low or distorted when listening to headphones or when using the line output Suction cup mount is loose Screen is loose on mount Unit is unresponsive, won't power off Unit does not show traffic information Unit does not find the Bluetooth® phone or device Remote control knob is unresponsive Increase media player volume in Volume Mixer (Settings Menu) Reposition with moderate force Make sure it is securely "clicked" into place on both the bottom and back Using a paper clip, press the reset button on the right side of the bottom panel Check antenna connection. Activate service. Ensure the device is enabled for "discovery" or "pairing". Try pressing the top, center and right buttons simultaneously for 2 seconds, then turn the outer ring until the highlight bar moves. If the control knob is still unresponsive, try a fresh CR2032 type battery. Quick-Start Guide 15 GPS-810