Charlie, correct.
I simply don’t remember if the 540 would erase the card; more than likely, it would not. Rather, it would put the serial number file on the card, so that you could “address” your route and waypoints to that particular device. If I remember correctly, in MapSource, when you sent the routes to the SD card, it would somehow identify the destination as your device. The MapSource does not have that warning; however, your plotter should have it (my 421 does). You can plan and save all kinds of routes in MapSource and save them on your PC. Only once you are done (nothing is ever final) you can transfer that route to the SD card for moving it to the device. Btw. the process is quite simple (especially, if you understand what happens). It is easier to do it then to describe it how it works. If you have specific questions/issues, you can contact me off the list. Marek ------------------------------ Message: 2 Date: Wed, 19 Mar 2014 11:07:12 -0400 (EDT) From: cenel...@aol.com To: cnc-list@cnc-list.com Subject: Re: Stus-List iPad/iPhone app for route planning (now Message-ID: <8d1119c0ab31c4c-225c-38...@webmail-m247.sysops.aol.com> Content-Type: text/plain; charset="utf-8" Thanks Mark--it may reduce the number of trips I need to make to the device on the boat. Per your email, it appears that I should put a blank SD card into my 540 so that Garmin can initialize it before I load the routes, etc. on the card via my computer with MapSource. After that, I put the SD card back in the device, which Garmin now recognizes, and load the routes onto the chart buried within the 541. Presumably if the card with routes is placed in the device before initialization, Garmin might initialize it and write over the info on it previously. It seems that MapSource could take care of the initialization but then I probably need the device serial number, blah, blah... which still requires a trip to the boat. Talk about a "...rope-a-dope..." Anyhow, I did get the unlock code from Garmin and have downloaded the latest version of MapSource. I bought an SD card so I guess I can plan the routes, etc., without loading them on the card until after it is initialized by the device. I wonder if the above procedure is discussed in the MapSource help files or if the user is warned to initialize the SD card at the device before loading routes on it. This would seem like a reasonable alert to the user. Thanks, Charlie Nelson cenel...@aol.com
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