Furuno NAVNET 1823C - Manual (Page 144)

3. PLOTTER OPERATION
3-58
3.11.8 Alarm information
When an alarm setting has been violated, the buzzer sounds and the speaker
icon appears and is red. Press the [CLEAR] key to silence the alarm. You can
see which alarm has been violated on the ALARM menu. In the example below
the arrival alarm has been violated.
1. Press the [ALARM] key. The name of the offending alarm appears in the
alarm information window.
ALARM1
EDIT
CLEAR
ALARM
NEXT
PAGE
RETURN
Alarm information
window
Speaker icon
XXX = Destination waypoint name
AUDIO ALARM INTERNAL BUZZ
ARRIVAL ALARM ON 0.010nm
ANCHOR WATCH ALARM OFF 0.010nm
PROXIMITY ALARM
OFF
XTE ALARM OFF 0.050nm
SPEED ALARM OFF
TRIP ALARM OFF 0000.0nm
ALARM INFORMATION
ARRIVED
AT WAYPOINT XXX !
Plotter alarm menu, page 1
2. Press the CLEAR ALARM soft key to acknowledge the alarm (and silence the
buzzer if it was not done with the [CLEAR] key). The color of the speaker
icon changes from red to background color. The icon remains on the screen
until the cause of the alarm is eliminated or the alarm is disabled. If more
than one alarm has been violated the message CONTINUE appears at the
bottom of the alarm information window. In this case, press the NEXT INFO
soft key to see which other alarms have been violated.
3. Press the [ALARM] key to finish.
Note:
The alarm icon is red when an alarm setting is violated, and changes to
background color when the [CLEAR] key or CLEAR ALARM soft key is
pressed. The color does not change regardless of how many other alarms
are violated.