Furuno color video plotter GD1720C - Manual (Page 144)

4. VIDEO SOUNDER OPERATION
4-15
4.11 Alarms
The sounder section has five conditions which generate audio and visual alarms: bottom
alarm, fish alarm (bottom lock), fish alarm (normal) and water temperature alarm
(temperature sensor required).
You may set up the sounder alarms on the SOUNDER ALARM menu, which may be
displayed by pressing the ALARM key.
AUDIO ALARM
INTERNAL BUZZ
BOTTOM ALARM
OFF
TEMPERATURE ALARM
OFF
FISH ALARM
OFF
FISH ALARM (B/L)
OFF
ALARM INFOMATION
NO ALARM
SOUNDER
ALARM
EDIT
CLEAR
ALARM
RETURN
Sounder alarm menu
4.11.1 Audio alarm on/off
The audio alarm sounds whenever an alarm setting is violated. You can enable or disable
the audio alarm as follows:
1. Press the ALARM key to show the ALARM menu.
2. Use the Cursor pad to select ALARM AUDIO.
3. Press the EDIT soft key to show the audio alarm window.
AUDIO ALARM
¡ INT & EXT BUZZ
¤ INTERNAL BUZZ
¡ OFF
Alarm audio window
4. Use the Cursor pad to select INT & EXT BUZZ (Internal + External alarm), INTERNAL
BUZZ (Internal alarm) or OFF. External buzzer required to select “INT+EXT BUZZ.” OFF
globally turns the audio alarm on or off for all modes, including radar.
5. Press the ENTER soft key.
6. Press the ALARM key to close the menu.