Furuno 520 Manuales De Servicio

5. ALARMS 

You may choose the buzzer from which to output the audio alarm as follows. 
Use the external buzzer connected to the processor unit if the internal buzzer 
volume is small. 
 
Note: If “INTERNAL + EXTERNAL” is selected, the external buzzer sounds 

when turning the NAVpilot-511/520 off. 

 
1.  Rotate the course control knob to select “AUDIO” from the ALARM SETUP 

menu. 

2.  Press the course control knob to show the audio alarm options window. 

INTERNAL +EXTERNAL

3.  Rotate the course control knob to select INTERNAL BUZZER or 

INTERNAL+EXTERNAL as appropriate. 

INTERNAL BUZZER: Sounds the buzzer in the control unit. 

INTERNAL+EXTERNAL BUZZER: Sounds the control unit buzzer and external 
buzzer if connected. 

4.  Press the course control knob. 
 

The sound pattern of the audio alarm (WATCH ALARM, DEVIATION ALARM, 
XTE ALARM, SPEED ALARM, DEPTH ALARM and TEMP ALARM) can be 
selected as follows. 
 
1.  Rotate the course control knob to select “ALARM INTERVAL” from the 

ALARM SETUP menu. 

2.  Press the course control knob to show the alarm interval options window. 

LONG
CONTINUE

3.  Rotate the course control knob to select SHORT, LONG or CONTINUE as 

appropriate. 

800 ms

200 ms

SHORT pattern

800 ms

400 ms

LONG pattern

CONTINUE: Beep sounds continuously. 

4.  Press the course control knob.