petrolhead63

I have studied the manual/handbook...but not the unit yet in case it has something hidden.

Hi, the old Navman is a Tracker 900, I still love it! bought new in 2001 and moved boat with us. I have a C map NT Data transfer card...

thank you, we have chart cards for each plotter, and can programme which sentences for each port if the default ones do not suffice. The...

thanks yet again! I am learning....better with old stuff ;0) So safely assume up to three listeners on a talk output. Do shared talk...

Thank you, Yes I fitted the older unit some years ago with the three listeners. You say a talker can transmit to 4 or 5 listeners...is...

I apologise for a slightly long post, but I am not too bright with the NMEA stuff...and even that is old now ! I wish to alter out chart...