JRC JMA-2343, Instruction Manual

Page: 221 / 310

205
3.6 External Navigation Devices
Please refer to "9.3.4 Display unit rear panel" on connections.
This radar equipment has the following busses at the rear of the display unit.
・
NMEA
An external navigation device with either of these busses may be connected for input
and output of information.
3.6.1 Obtaining information on bearing
In order to obtain information on the bearing of the ship, one of the following needs to
be connected to the display unit.
• Magnet compass
• GPS gyro
Bearing information is input from either the CMPS or NAVRX terminals.
3.6.2 Obtaining information on speed
In order to obtain information on the speed of the ship, one of the following devices
need to be connected to the display unit.
• GPS
•
LORAN C
Speed information is input from either the CMPS or NAVRX terminals.
3.6.3 Obtaining information on position
In order to obtain information on the ship's position in terms of latitude and longitude,
one of the following devices need to be connected to the display unit.
•
GPS
• LORAN C
In order to obtain the ship's position information using LORAN C time difference, the
following needs to be connected to the display unit.
• LORAN C
CMPS+ and CMPS- terminals of the EXT1(J3) connector
NAVRX and NAVCOM terminals of the GPS(J4) connector