How To Deactivate A Target Alarm; How To Select The Target Strength Which Triggers A Target Alarm; How To Turn The Buzzer On/Off - Furuno 1835 Operator's Manual

1. DESCRIPTION OF OPERATION
2. Press the CANCEL/HL OFF key. The alarm indication now shows "ALM1(or
2)_ACK".
To activate a sleeping target alarm zone, press the TARGET ALARM key to select the
ALARM 1 or ALARM 2 and press the ENTER key. The alarm indication then changes
to "ALM1(or 2)_IN(or OUT)".
1.19.5

How to deactivate a target alarm

1. Press the TARGET ALARM key to select the ALARM 1 or ALARM 2 indication at
the upper-right corner on the screen. The selected indication is in a rectangle.
2. Press the CANCEL/HL OFF key. The alarm indication now shows "ALM1(or
2)_ACK".
3. Press the TARGET ALARM key. The alarm indication "ALM1(or 2)_ACK" is
shown in a dashed-line rectangle.
4. Press the CANCEL/HL OFF key. The target alarm zone and the alarm indication
are erased from the screen.
1.19.6

How to select the target strength which triggers a target alarm

You can select the target strength which triggers the target alarm as follows:
1. Press the MENU key to open the menu.
2. Use the Cursorpad (S or T) to select [Alarm] and press the ENTER key.
3. Use the Cursorpad (S or T) to select [Alarm Level] and press the ENTER key.
4. Use the Cursorpad (S or T) to select the echo strength level.
5. Press the ENTER key followed by the MENU key.
1.19.7

How to turn the buzzer on/off

You can turn on/off the panel buzzer or external buzzer for target alarms. The panel
buzzer is for this equipment. The external buzzer is for the optional buzzer, which is
connected to this equipment to give the target alarm at a remote location.
1. Press the MENU key to open the menu.
2. Use the Cursorpad (S or T) to select [Alarm] and press the ENTER key.
3. Use the Cursorpad (S or T) to select [Panel Buzzer] (or [External Buzzer] for op-
tional buzzer) and press the ENTER key.
4. Use the Cursorpad (S or T) to select [On] or [Off] then press the ENTER key.
5. Press the MENU key to close the menu.
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Alarm Level options
Panel Buzzer and External Buzzer options