Furuno GP-170 Operator's Manual page 68

8. ALERTS
ID
213
215
009
or
401009*
950
or
401950*
*: When the alert mode is set to [Alert I/F 2] (only for serviceman), the alert ID number
is displayed in six digits.
Note: When a warning is not acknowledged within three minutes, the warning is re-
peated.
When an alert condition occurs, the buzzer sounds (except for a caution) and the
name of the alert appears at the bottom of the display.
8-2
Message
Loss of differential signal.
Abbreviated messages:
Loss of DGNSS signal.
Differential integrity status.
Abbreviated messages:
DGNSS integrity status.
Antenna short-circuited.
Abbreviated messages:
ANT short-circuited.
Communication error with
BAM.
Example 1: Warning
Example 2: Caution
Type
Caution More than 10 seconds have passed
since the last beacon message is
received.
Caution The beacon station selected auto-
matically is unhealthy.
Warning The antenna has shorted out.
Caution Communication error with alert
management system
Meaning
Ship's position,
ship's mark and
time of position fix
are displayed in red
for the caution "210
HDOP exceeded".