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5. ALARMS
5-2
5.1.1 Selecting the alarm buzzer
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
INTERNAL BUZZER
Audio alarm options window
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.
5.1.2 Selecting the beep pattern
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
SHORT
Alarm interval options window
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.