[mkgmap-dev] Garmin Marine Devices

Mon Mar 5 19:34:17 GMT 2012

On 05/03/12 15:39, Felix Hartmann wrote:
> Besides Marine mode header can be changed via gmt too, and that is also
> available for Linux (gmt is the execution part of gmaptool).

Is that the -r option? That does not do anything to the .img files, but 
sets the byte at 0x21 to 1 in the .tdb file.

The resulting tdb appears to work in mapsource.

..Steve