Furuno NAVNET 1724C - Manual (Page 145)

4. VIDEO SOUNDER OPERATION
4-16
4.11.2 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. Note that the bottom alarm is turned on or
off reciprocally with the bottom alarm on the plotter alarm menu.
1. Press the ALARM key to show the ALARM menu.
2. Use the Cursor pad
to select BOTTOM ALARM.
3. Press the EDIT soft key to show the bottom alarm window.
BOTTOM ALARM
▲
¡ ON
0000.0-0000.0 ft
¤ OFF
▼
Bottom alarm window
4. Use the Cursor pad to select ON or OFF as appropriate. For ON, enter alarm range
with the Cursor pad and numeric keys: Adjust the Cursor pad to select digit; hit
appropriate numeric key to enter value.
5. Press the ENTER soft key or push the ENTER knob to register setting.
6. Press the ALARM key to close the menu.
4.11.3 Fish alarm
The fish alarm sounds when a fish echo is within the preset alarm range. Note that the
sensitivity of the fish alarm can be set on the SOUNDER SYSTEM SETUP menu.
1. Press the ALARM key to show the ALARM menu.
2. Use the Cursor pad
to select FISH ALARM.
3. Press the EDIT soft key to show the fish alarm window.
FISH ALARM
▲
¡ ON
0000.0-0000.0 ft
¤ OFF
▼
Fish alarm window
4. Use the Cursor pad to select ON or OFF as appropriate. For ON, use the Cursor pad
and numeric keys to enter range: Adjust the Cursor pad to select digit; hit the
appropriate numeric key to enter value.
5. Press the ENTER soft key or push the ENTER knob to register setting.
6. Press the ALARM key to close the menu.