Furuno FAR-2107(-BB) - Manual (Page 106)

1. RADAR OPERATION
1-84
1.44.1 Alarm description
Alarm description
Alarm name
(visual
indication)
Visual alarm, reason To quit alarm status
SYSTEM ERROR
AZIMUTH No antenna rotation signal
HEADLINE No heading signal
KEY No key signal
RF No RF communications signal
TRIGGER No trigger signal
TT SYSTEM
ERROR TT system malfunction
VIDEO No video signal
Acknowledge indication by pressing
the [ALARM ACK] key or left-clicking
the ALARM ACK box. Restore signal
or remove reason for to remove
indication.
SENSOR ERROR
GYRO The indication "GYRO" (in red)
appears and the HDG indication
reads "***.*°". The orientation
mode is automatically set for
head-up. TT, radar map, AIS, and
echo averaging are disabled. Match the on-screen HDG indication
with the actual compass. The
indication "HEADING SET" appears.
Press the [ALARM ACK] key to erase
the indication.
LOG The indication "LOG" (in red)
appears and the and the speed
indication shows "**.* kn" if the
speed signal is lost more than
30 s. For BT error, CPA and
TCPA for AIS are not calculated. If the SDME has failed, use another
speed sensor.
EPFS The indication "EPFS" (in red)
appears and the position display
shows all asterisks if the position
input is lost more than 30 s.
Radar map, AIS, and echo
averaging are disabled. Acknowledge indication by pressing
the [ALARM ACK] key or left-clicking
the ALARM ACK box. Restore signal
to remove indication. Message cannot
be erased if position signal is missing;
it is automatically erased when the
signal is restored.
DATUM For the IMO type, the indication
"DATUM" (in red) appears if the
datum is other than WGS-84 or
WGS-84 is not input. AIS is
inoperative with datum other than
WGS-84. Acknowledge indication by pressing
the [ALARM ACK] key or left-clicking
the ALARM ACK box. Use WGS-84
datum.