Furuno GP-1850WF - Manual (Page 26)

2. VIDEO SOUNDER OPERATION
2-10
4. Press the RETURN soft key and the
[SNDR] key to finish.
2.14 Alarms
Bottom alarm
The bottom alarm sounds when the bottom
echo is within the alarm range set. To
activate the bottom alarm the depth must be
displayed.
Fish (B/L) alarm
The bottom-lock fish alarm sounds when a
fish echo is within a predetermined distance
from the bottom. This alarm is available
when the bottom-lock mode is active.
Fish (normal) alarm
The normal fish alarm sounds when a fish
echo is within the preset alarm range.
Note:
The sensitivity of the fish alarm can be
set on the SOUNDER SYSTEM
SETUP menu.
Water temperature alarm
There are two types of water temperature
alarms: WITHIN and WITHOUT. The
WITHIN alarm sounds when the water
temperature is within the range set; the
WITHOUT alarm sounds when the water
temperature is higher or lower than the
range set. This alarm requires water
temperature data.
Activating/deactivating an alarm
1. Press the [ALARM] key to open the alarm
menu.
2. Press the NEXT PAGE soft key to show
the ALARM 2 menu.
DGPS 3D
ALARM2
EDIT
CLEAR
ALARM
ALARM INFORMATION
BOTTOM ALARM
FISH (B/L) ALARM
FISH (NORMAL)
TEMP. ALARM OFF
OFF
OFF
OFF
NO ALARM
RETURN
Alarm 2 menu
3. Select the menu item, and press the
EDIT soft key.
4. Select ON or OFF. (For temperature
alarm select WITHIN, WITHOUT or OFF.)
For ON, WITHIN or WITHOUT, use the
cursor pad and the numeric keys to set
range.
5. Press the ENTER soft key.
When an alarm setting is violated...
When an alarm setting is violated the buzzer
sounds, and the (red) speaker icon appears
at the bottom of the screen. You can silence
the buzzer with the [CLEAR] key. (However,
the buzzer will sound whenever the alarm
setting is violated.) Press the [ALARM] key
to find out which alarm has been violated.
The offending alarm is displayed in red in the
ALARM INFORMATION window. Press the
CLEAR ALARM soft key to erase the alarm
indication. The alarm icon color changes to
black to show acknowledging the alarm. The
alarm icon remains displayed in red until all
violated alarms have been acknowledged.