Nextar Q4-MD User Guide - Page 21
Troubleshooting - gps
UPC - 714129929912
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Troubleshooting Take steps described in the tables below to solve simple problems before contacting customer service. If you suspect something wrong with this unit, immediately turn the power off and disconnect the power connector from the unit. Never try to repair the unit yourself because it is dangerous to do so. PROBLEM Users can't turn on the unit. There is no sound. Dim screen. The unit can't receive satellite signals or can't orient. POSSIBLE CAUSE POSSIBLE SOLUTION The adaptor doesn't connect well. The built-in rechargeable battery is weak. Connect the adaptor correctly. Use the adaptor to supply power or charge the battery. The volume may be turned down or mute. Turn up the volume or turn on the sound output. The brightness may be turned down. Adjust the brightness of the LCD. The unit may be obstructed by buildings or metal block. Make sure to use the unit out of room; if in the vehicle, you can use the external GPS antenna to solve this problem. 21