69
MX 420 Installation and Service Manual
VHF
GPS
Config
MX 42 2 P ro fe ssi on al DG PS N avigat o r
GPS
Beacon
GYRO
ECDIS/
ARPA
Long-
Range
Pilot-
Port
Log
Optional MX421/B
MX420 AIS Basic configuration
MX423 AIS Transponder Interface
The NMEA 5 port of the MX420/AIS (or MKD) connects to the bidirectional PSP port of
the MX423 AIS transponder (see the schematic diagram on figure 4.18 on page 41).
Communication speed between the MX420 and the transponder is preset at 57.6
Kbps.
Refer to the MX423 AIS Shipborne Class A Transponder installation manual for more
details.
Troubleshooting Guide
The MX420 is virtually maintenance free. There are, however, a few important points
to note.
Please check your installation carefully before returning the MX420 to the dealer or
factory for service. A few troubleshooting tips follow.
The MX420 performs a variety of self tests during normal operation. If a function fails
the self test, the navigator displays an
Internal Error
message every one minute.
Summary of Contents for MX420
Page 1: ...Installation Service Manual MX420 Navigation System ...
Page 5: ......
Page 8: ...1 MX 420 Installation and Service Manual List of Components SECTION 1 LIST OF COMPONENTS ...
Page 9: ...MX 420 Installation and Service Manual List of Components 2 ...
Page 15: ...MX 420 Installation and Service Manual List of Components 8 ...
Page 17: ...MX420 Installation and Service Manual Technical Specifications 10 ...
Page 24: ...17 MX420 Installation and Service Manual SECTION 3 MECHANICALAND INSTALLATION DRAWINGS ...
Page 25: ...18 MX420 Installation and Service Manual ...
Page 32: ...25 MX420 Installation and Service Manual SECTION 4 ELECTRICALINSTALLATION DRAWINGS ...
Page 33: ...26 MX420 Installation and Service Manual ...
Page 49: ...42 MX420 Installation and Service Manual ...
Page 57: ...50 MX 420 Installation and Service Manual SECTION 5 INSTALLATION NOTES ...