Furuno DSC-6 - Setup NAV Data Input Circuit

FELCOM 82
H3-10
2.5 Setup NAV data input circuit
Depending on the input signal, nav data input circuit must be modified as below.
NMEA-2.0(IEC-61162) : RS-422 J19 short (Default)
NMEA-1.5 : C.Loop J19 open
J19
NAV DATA
J17
8
9
R228 R227
100390
J19
U126
U133 U133
NMEA IN
CR56