Question about Lowrance Lms 520c 5" Screen Color External Gps And 200 Khz Sonar System

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Lake map is locked up-same position as turned off on prior trip.

No apparent GPS signal on screen since last trip out 2 weeks ago. GPS seems always slow to pick up and often loses signal but does retain signal or position eventually, until now(last trip out). Help

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Hi TBS,

When you power up a GPS, it assumes it's still at the same position it was when powered down. If that position has changed, it will normally take at least three sat-locks to triangulate the new location and begin registering motion vectors.

Unit location and/or Antennae location are major factors in signal acquisition speed. When I plan on using my portable unit, I'll power it up outside the car. I get acquisition in half the time. Once it locks on, no problems. I just get impatient..

From what you have described, it sounds like normal (if not slower than normal) operation. If there are other symptoms, please reply with details.

Thanks for using Fixya
Mike

Posted on Dec 15, 2008

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This is completely normal, particularly if the phone's environment restricts satellite visibility or signal quality in any way. It takes time to lock the satellites and assess the quality of signal.

Posted on Dec 15, 2008

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It could be the battery problem check out this. also check out this link its of different model but will quite help u in the signal issue http://www8.garmin.com/manuals/nuvi750-GPS-Atl_OwnersManual.pdf

Posted on Dec 15, 2008

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