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Re: lake map is locked up-same position as turned off on...
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.
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With your card in your unit follow these steps it should accomplish letting you view your map data.
push MENU twice
Highlight CHART push ENTER
Highlight CHART DATA push ENTER
Highlight LOWRANCE push ENTER.
You will note there is an option for Lowrance and Navionics, if you select Navionics you will see a distinct difference in the way the base map displays on your unit.
Hope this helps.
Yes, all Lowrance products will use and display Navionics map data. Compatibility Guide America
Here is a link to the navionics compatability page so you can see which map cards will work in your unit.
The GPS will automatically triangulate your position and display it on the map screen.
If you have your cursor turned on the the map screen will remain centered on the cursor.
while on the map screen push the Menu key and then the Enter key. If you notice the pop up window when you push menu you will see the first field highlighted will be to return to current position or something similar. By pushing enter you are selecting this option and the unit will display your current position on the map screen.
That question mark means the GPS antenna cannot get a satellite fix for the GPS to triangulate your position.
Be sure there is no aluminum above your antenna. This will block the gps signal. Also be sure your GPS antenna is at least 24" or more away from any other electronics The electromagnetic field electronics emit will disrupt the GPS signal coming to your antenna.
GPS SYSTEMS HAVE A TENDENCY TO LOSE CONNECTIVITY TO SATILLITES BECAUSE OF BAD WEATHER, CLOUD COVER, TUNNEL ENTRANCE, BAD OR NO POWER, BATTERY LIFE HAS BEEN EXPENDED, HAZARD OF ELECTROMAGNETIC INTERFERENCE TO GPS SYSTEMS, AND IMPROPER VEHICLE MOUNTING AND HAND HELD POSITION. FREE SOLUTIONS 1. ALWAYS PLACE YOUR GPS DEVICE IN THE UPPERMOST PORTION OF YOUR VEHICLE SO THAT THE GPS SIGNAL MAY EASILY LOCATE YOUR DEVICE EVEN WHEN THE WEATHER IS BAD 2. KEEP YOUR BATTERY CHARGED ONLY WHEN IT NEEDS IT MOST AND AVOID CHARGING OFTEN 3. IF YOU OVERCHARGE YOUR GPS DEVICE, YOU WILL EXPERIENCE BATTERY LEAKAGE, WHICH CAN EAT AWAY AT YOUR CLOTHING, DESTROY YOUR DEVICE IN SECONDS, AND CAUSE DAMAGE TO YOUR VEHICLE SEATS 4. YOUR GPS DEVICE HAS A TENDENCY TO FREEZE BECAUSE OF THE SIM AND MEMORY CHIPS LOCATED WITHIN IT 5. YOU CAN FIX THE FREEZING PROBLEM BY REMOVING THE SIM CHIP AND MEMORY CHIP AND RESTARTING YOUR SYSTEM 6. OTHER FREEZE PROBLEMS OCCUR BECAUSE THE DEVICE IS COLD WHEN IT IS KEPT IN THE VEHICLE AND CHIP CREEK OCCURS WHERE THE DEVICES MICROCHIPS BECOME LOOSE AND TIGHTEND BECAUSE OF WARM AND COLDER AIR FLUCTUATIONS. IT IS BEST TO KEEP THE DEVICE IN A PURSE OR ON A TABLE WHERE IT IS NOT SUBJECT TO CONSTANT TEMP. CHANGE 7. PREVENTION OF ELECTROMAGNETIC INTERFERENCE IS BEST SOLVED BY: interference from devices located nearby, and even a radio turned on and located really close to your unit. This is normally known as electromagnetic interference to electronics and is very common
I have a 525... Several things and go step by step... First, make sure your getting 12v of power to your "puck"... On the Lowrance site there is a step by step guide for testing. Just because your getting power to the main unit does not mean your getting power to your the gps module. There are three different power sources on these units. Main power, sonar and gps! If your getting 12v coming out of the data port then check power to the cords, and to the T... If all that is correct the its likely your gps module. You can order a new one directly from Lowrance customer support for 50% off the normal price as a replacement. They will likely upgrade you to the 4000 series. Comes with all wiring, T connector but not the resistor cap. Best time to call Lowrance is 8:15 am central time when the phones are turned on!