Ais Alarm Message - Furuno FAR-2107 Series Service Manual

6.4.2 AIS ALARM message

Alarm messages sent from the AIS unit can be displayed by "8. AIS ALM MESSAGE"
in the [AIS] box menu. These messages are described by ALR sentences. When an
alarm is detected on the FA-100 or the FA-150, the ALM sentences are outputted every
25 seconds.
Error display
AIS
Radar side
side
TX Tx malfunction
ANT Antenna VSWR exceeds limit
CH1 Rx channel 1 malfunction
CH2 Rx channel 2 malfunction
CH70 Rx channel 70 malfunction
MKD connection lost
MKD (MKD: Minimum Keyboard
and Display)
External EPFS lost
EPFS (EPFS: Electronic position
fixing system)
L/L No sensor position in use
No valid SOG information
SOG
(SOG: Speed Over Ground)
No valid COG information
COG
(COG: Course Over Ground)
HDG Heading lost/invalid
No valid ROT information
ROT
(ROT: Rate of Turn)
Table 6.4.6 List of AIS Alarm Message
Description
Transmission malfunction, transmission stop
Possible cause: Antenna damage.
Continues operation is enabled.
TDMA Rx1 board malfunction. Transmission through
the corresponding transmitting channel is stopped.
TDMA Rx2 board malfunction. Transmission through
the corresponding transmitting channel is stopped.
DSC Rx board malfunction. Transmission through
CH70 is stopped.
MKD connection is disconnected. Continuous
operation is enabled. (Actually this display is not
present.)
Data of an external navigation system is discontinued.
Continuous operation is enabled.
Position data for use is not present.
SOG information is invalid data.
COG information is valid data.
HDG data is discontinued / invalid.
HDG data and $TI-ROT data are not present.
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6.4 Error Messages