Furuno FS-2575, Operator'S Manual

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1. OPERATIONAL OVERVIEW
1-5
1.7 How to Set the Scan Frequencies
The DSC screen scans multiple general frequencies according to operator-set interval. For
how to set frequency to scan, see section 6.16.
Note that voice and telex communication are not available when scanning. (However, they
are available when the system is equipped with the optional watch receiver.)
2. Press the
SCAN key to show the DSC scan screen. Scanning starts. When receiving
the appropriate frequency signal, the scanning stops, and the frequency is highlighted
and flashes.
3. Press the SCAN key again to stop the cursor for the general frequencies.
Note: You can not stop the scanning manually for the distress alert.
4. Rotate the ENTER knob to move the cursor to the desired general frequency which you
want to watch. You can scan only the frequency selected by cursor.
5. Press the SCAN key to restart the scanning.
1.8 How to Set the Auto Acknowledgement
Individual, PSTN (public switched telephone network), position, polling and test calls can be
acknowledged automatically or manually. This is set on the REPLY TYPE of ACK SETTING
in DSC menu. For details, see chapter 5.
Note: When own ship’s communication is high priority, set to manual acknowledgement.
The auto acknowledgement is not sent in the following cases:
• The RT or DSC procedures are in progress.
•
ECC is NG (No Good).
•
Channel is in use.
1.9 Controller Priority
The priority order for controls is high on the controller1. When you operate the controller1
during the operation of the controller2, the right to operate is shifted to the controller1. The
screen including the following content appears on the controller which does not have the
right to operate.
•
The unit name in current use: Controller 1, Controller 2 or NBDP
•
The ongoing operation: Composing messages, Transmitting, Communicating
The control unit which you operate has priority on operation in the following conditions:
•
The handset goes OFF HOOK.
•
Display the menus or setting boxes.
•
Display each function screen (for example, Log).
• Press a key or rotate a knob. (The priority is lost after four seconds.)
• NBDP is communicating.