Thread: Enable features in your nuvi 12xx, 13xx and 14xx - JCV, LA, TTS

Originally Posted by Rhodess

What would be the differences if I used the SIG/MAL firmware or CHN instead of the US?
1. Split screen JV

According to a rather knowledgeable person on GPSPassion.com, using the SIG/MAL firmware with US maps results in junction views that don't display correctly. The US maps and junction view file aren't set up with split screen in mind.