Simrad RD68 - Garmin Interface
Hi all, new to this lark, so hope someone can help.
Have got a Simrad RD68 DSC radio with a Garmin handheld GPS 48. Initially great, they both work independently, but I cannot get them talking to each other, so I can get the GPS position into my RD68 automatically.
I have the Garmin interface cable, which has 4 wires on it. White - data in PC to GPS. Black - ground. Brown - Data out - GPS to PC. and Red power (fused).
The Simrad has 2 leads coming out for the NMEA. Red NMEA out data (+). Blue NMEA out common (-).
The Garmin in the interface section is set to NMEA/NMEA 4800 bauds.
The stuborn things WILL NOT talk to each other. Anyone got any ideas please??