GPS Positioning poor/No Positioning
<p>[TOC]</p>
<h3>I. Problem Phenomenon</h3>
<ul>
<li>The CMSV6 shows the device online but no location.</li>
</ul>
<p><img src="http://118.195.179.210:9000/server/index.php?s=/api/attachment/visitFile&amp;sign=876d848831645e6d606323600ee370c9" alt="" /></p>
<ul>
<li>Query track replay on CMSV6, track missing and pulling line, or no track phenomenon.</li>
</ul>
<p><img src="http://118.195.179.210:9000/server/index.php?s=/api/attachment/visitFile&amp;sign=c8b1611b7d1700bf10bf0c093195f92a" alt="" /></p>
<ul>
<li>The device menu display module is present but no location.</li>
</ul>
<p><img src="http://118.195.179.210:9000/server/index.php?s=/api/attachment/visitFile&amp;sign=f4c7ab513962abd51fd22cb50bcd2ad3" alt="" /></p>
<ul>
<li>The device menu shows location, but the number of satellites is small and the satellite signal is weak.</li>
</ul>
<h3>II. Analysis Steps</h3>
<p>The following steps can be followed to troubleshoot the causes of the problem one by one.
1、Check whether the GPS antenna is in good contact.
2、Check whether the distance between the GPS antenna and the equipment is more than 1m.
3、Check whether the GPS antenna is placed in an open open position.
4、Check whether the GPS antenna is damaged and cannot be used.
5、Exchange the antenna with good positioning and compare the satellite signal status.</p>
<h3>III. Operating Instruction</h3>
<h4>1、Check the GPS antenna contact status</h4>
<p>Check carefully whether the GPS antenna and the device interface are off, need to connect the GPS antenna and the device interface, can not be connected to the wrong in other antenna port.</p>
<h4>2、Check the distance between the GPS antenna and the device</h4>
<p>Double check whether the distance between the GPS antenna and the device is kept above 1M, and the device and GPS should not be too close to each other.</p>
<h4>3、Check whether the GPS antenna is placed in an open open position</h4>
<p>GPS antenna is best placed in the open air on the location, GPS antenna will largely affect the GPS signal reception strength, can not have other items to cover, placed in a hidden location will lead to insufficient signal strength can not be positioned successfully.</p>
<h4>4、Is the GPS antenna abnormal or not working</h4>
<p>After using for a long time, regularly maintain the antenna, check whether the GPS antenna is damaged, if damaged need to replace the new antenna in time.</p>
<h4>5、Compare the signal status of different antennas</h4>
<p>Exchange the antenna with good positioning, press <strong>INFO+LOGIN</strong> on the DEVICE STATE page to check the positioning signal, at least 3 stars signal strength are above 40.</p>
<p><img src="http://118.195.179.210:9000/server/index.php?s=/api/attachment/visitFile&amp;sign=2c1c316781ca8b9af755ce02ee750c7f" alt="" /></p>
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