User's Instructions

DCU DEBEG 3401
ED 3047 G 122 / – (2002-12)
Operating Instructions
4 AIS Messages
4.3 Long Range Interrogation
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4.3.1 Setting of the Reply Mode
In the REPLY MODE field, it is possible to select between:
Off: The Electronics Unit only registers (and stores) the interrogation. No alarm appears, and no reply is
sent.
Manual: in the case of an interrogation, the alarm Long range interrogation appears. By acknowledge-
ment, the dialog LONG RANGE INTERROGATION appears showing the data of the interrogator
and the requested information. The reply is sent by means of REPLY or is instead prevented by
means of NO REPLY.
Auto: In the case of an interrogation, the reply is sent automatically. For the purpose of information, the
alarm Long range interrogation appears. By acknowledgement, the dialog LONG RANGE INTER-
ROGATION appears showing the data of the interrogator and the requested information.
In the dialog LONG RANGE INTERROGATION, the Reply Mode is set and activated by pressing BACK.
4.3.2 The Alarm Long Range Interrogation
When an interrogation is received, the alarm Long range interrogation appears (unless the Reply Mode
is set to Off). By acknowledgement of the alarm, the interrogation is displayed.
If the Reply Mode is set to Manual, the reply can be prevented by means of NO REPLY or can be trig-
gered by means of REPLY.
If the Reply Mode is set to Auto, the displayed interrogation has been answered already is merely regis-
tered.
1. Press MENU.
2. In the menu, mark INTERROGAT by means of the ArrowUp/ArrowDown keys and press
ENTER. The interrogation received last is displayed.
3. In the LONG RANGE INTERROGATION dialog, mark the REPLY MODE field by means
of the ArrowUp/ArrowDown keys. Press ENTER.
4. With the ArrowUp/ArrowDown keys, set the Reply Mode. Press ENTER.
Back: Press BACK twice.
Operating Sequence
1. Press ALARM.
2. In the ALARM LIST dialog, acknowledge the marked alarm message Long range inter-
rogation by pressing ACKNOWLEDGE.
3. As a result, the dialog LONG RANGE INTERROGATION opens up.
-Press REPLY if the interrogation is to be answered, or
-press NO REPLY if the interrogation is not to be answered, or (if the Reply Mode
Auto is switched on)
-press BACK.
Back: Press BACK.
Operating Sequence in Case of an Alarm