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No gps signal - Rand Mcnally GPS

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The issue normally occurs when device does not have a clear signal view of the sky.

Your device requires a direct line of sight between the receiver and the satellite. When an object lies within the direct path, accuracy suffers due to reflections and weakening of signals. This can be the cause of lost signal in urban environments, within valleys and on mountain slopes. In all three situations, the objects (buildings and the Earth itself) are substantial enough to completely block the GPS signals. When weak signals are received, they may have been reflected off buildings and the surrounding landscape. Reflections generate multi-path signals arriving with a small time delay at the receiver. This results in inaccurately calculated position.

To troubleshoot a signal issue first you reposition the device in the vehicle and allow it a couple minutes to recalibrate its new position. If there is no signal in the new position, step outside the vehicle with the unit. Perform a reset by pressing the reset button. (Found on the side or back of the device depending on your model) When the unit powers up, allow it a couple minutes to recalibrate its position. If the unit receives a single outside the vehicle but not inside, than there is something interfering with the GPS signal. Do you have a large windshield overhang? Do you have a dash camera? A satellite radio? Try turning off those devices to see if your unit will receive a signal.

Please call Rand Tech Support if the unit continues to fail with receiving a signal after trying the above recommendations.

Technical Support is available:
Monday - Friday
7am - 6pm (CST)
1-877-446-4863
TNDSupport@RandMcNally.com

Posted on Aug 22, 2014

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  • Contributor
  • 49 Answers

Usually means that the unit cannot sense a satellite. If you are inside, that will happen. If you are outside, make sure there is a clean path to the sky... no metal roof overhangs, walls blocking the path etc. I have even had problems on the road, when lined with thick, low hanging trees.

Posted on Oct 23, 2013

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