Furuno FM-8800D manual Automatic acknowledge on/off, Preparing and transmitting DSC messages

1. OPERATIONAL OVERVIEW

Preparing and transmitting DSC messages

There are two methods by which you can prepare and transmit DSC messages, and they are shown below.

●Preparing message for immediate transmission 1. Press the CALL key at the standby display.

2. Select the call type.

3. Select other party (ID) if necessary.

4. Select the communications category.

5. Select the communications channel.

6. Press the CALL key more than three seconds.

●Transmitting a message stored in the memory

100 messages can be saved to the memory. You may open a memory-stored message and transmit it.

Distress alert transmission and output power

When the distress alert is transmitted (by pressing the DISTRESS key), the output power of the FM-8800D/S is automatically set to maximum (25 W).

When keyboard input is prohibited

DSC-related controls cannot be operated while a DSC message is being transmitted. (These controls are inoperative about 3 seconds during a DSC distress call; 0.5 seconds for other DSC calls.)

1.3.3Automatic acknowledge on/off

The automatic acknowledge feature of the DSC/watch receiver automatically transmits the acknowledge back (ACK BQ) signal to the sending station when an individual, position or polling call is received. (For position and polling calls, respective item on the AUTO ACK menu must be turned on to enable automatic acknowledge.) Automatic acknowledge can be turned on or off at the standby display by pressing the SHIFT and 5 keys in this order.

The message AUTO ACK or MANUAL ACK appears at the bottom of the standby display with each press of the keys.

Note 1: To give priority to own ship's communications while own ship is communicating, show MANUAL ACK by the above procedure.

Note 2: Automatic acknowledge is not possible under the following conditions:

Priority: Distress, Urgency or Safety

Com Type: Fax, Data, No Info

Com Freq: No Info Off Hook

1-11