I have a GPS V (old handheld unit) and maps (City Select V6.01 last update 2004) for the Lower 46 states. I recently acquired newer GPS V and am having issue with map locking and newer unit. Installed Mapsource on 64b Win7 computer. Installed maps and used unlock tool to unlock map in Mapsource. Tried to unlock using PGFT 2.2.5.4 all img files needed XOR operation most then reported unlock( had two different msg about img errors) but after sending to "new" GPS V unit still reports maps are locked. Tried jetmouse but not sure what FID is or how to get it. last issue is it takes 1000 img files to map the lower 48 so being able to let software work on all img files is a plus.
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