Furuno NAVIONICS GP-1850F - Manual (Page 24)

2-10
2.14 Alarms
Bottom alarm
The bottom alarm sounds when the bottom
echo is within the alarm range set. To acti-
vate the bottom alarm the depth must be dis-
played.
Fish (B/L) alarm
The bottom-lock fish alarm sounds when a
fish echo is within a predetermined distance
from the bottom.
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 re-
quires water temperature data.
Activating/deactivating an alarm
1. Press the [ALARM] key to open the alarm
menu.
2. Press the soft key NEXT PAGE to show
the ALARM2 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
s
Figure 2-30 Alarm2 menu
3. Select the menu item, and press the soft
key EDIT.
4. Select ON or OFF. For ON, use the cur-
sor pad and the numeric keys to set range.
5. Press the soft key ENTER.
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 set-
ting 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
soft key CLEAR ALARM to erase the alarm
indication. The alarm icon remains displayed
in red until all violated alarms have been ac-
knowledged.