Operation Manual

Installation
20220505H 91
Abbreviated
name
Equipment / Usage NOTES
GPS1 Primary GPS Can be used as either NAV
GPS2 Backup GPS
source or POS source. Also for VTG
data for automatic
LC 1 Loran
AUTO HI/LO speed selection
NAV1 Chart plotter
NAV2 Other Nav source.
INSTR Source of data for
instrument screens and
automatic HI/LO
parameter selection
Log input (VHW) for speed data has
priority to SOG from GPS
navigator.
RFC For use when selecting
between Simrad fluxgate
compasses
RFC35 fluxgate compass is
connected to junction unit. RFC35R
rate compass is connected to Robnet
MAGN Magnetic compass with
course detector
(CD100A)
CDI35 +CD100A is connected to
junction unit.
CD100A only must be connected to
CI300X.
FLUXG For use with non-Simrad
fluxgate compasses that
output SIN/COS
Optional CI300X item.
GYRO For use with Simrad
RGC50, RGC10 gyro
(1:1 synchro output)
Optional CI300X item. True data
displayed for heading, COG and
bearing to waypoint
NMEA
(Applies for AP20
V1R3/J300X V1R8
onwards)
For use with NMEA
compasses
Gyro, THD or other
Output INSTR For high speed NMEA
output of compass
heading
HDM or HDT output increased from
1 to 5 times/sec. on TX1 port
Output
RADAR
Clock/data heading
output to radars
Selectable between Anritsu and
Furuno (on both J300X and
NI300X)
Note ! If using J300X, TX2 outputs HDT or HDG at 10 Hz.