Navman ICN 510, is a very old GPS device, much of the information in [Only registered and activated users can see links. ] is incorrect.
For ICN510 the method described in post(#21), cannot be applied.

Quote Originally Posted by veinbergs View Post
...and it would be interesting to access the desktop...
Unlock Navman ICN 510
[Only registered and activated users can see links. ]

How to make
Connect the gps to the PC and watch the video:
(The video method is the same for the ICN 510/520/530/550 models)
Spoiler: Video Unlock Navman ICN 5xx