3.When the distress signal is sent, CH70 and “TX” icon will briefly appear on the VHF Radio” window in the display. After the message has been sent, the radio will sound a Distress Alarm.

4.The transceiver will watch for a DSC acknowledgment transmission on CH70 and also receive calls on CH16.

5.If an acknowledgement is received, select channel 16 and advise your distress situation.

6.If no acknowledgment is received, the distress call is repeated in 4 minute intervals until a DSC acknowledgment is received.

7.When a DSC Distress acknowledgment is received, a distress alarm sounds. The radio automatically switched to channel 16, and display shows the MMSI of the ship responding to your distress.

RECEIVED ACK: acknowledgment signal is received.

RECEIVED RLY: relay signal is received from another vessel or coast station.

8.To cancel the DSC distress alarm signal from the speaker, press any key.

Transmitting a DSC Distress Call with Nature of Distress

The CPV550 is capable of transmitting a DSC Distress Call with the following “Nature of Distress” categories: Undesignated, Fire, Flooding, Collision, Grounding, Capsizing, Sinking, Adrift, Abandoning, Piracy, MOB.

1.Lift the red spring loaded DISTRESS cover and press [DISTRESS]. The “DISTRESS ALERT” popup window will appear on the display.

2.Move the ShuttlePoint knob to the up or down or turn the Channel knob to select the desired nature of distress category.

3.Press and hold the [DISTRESS] key. The radios display will count down (3-2-1) and then transmit the Distress call.

4.When the distress signal is sent, CH70 and “TX” icon will appear on the “VHF Radio” window in the display. After the message has been sent, the radio will sound a Distress Alarm.

5.The transceiver will watch for a DSC acknowledgment transmission on CH70 and also receive calls on CH16.

6.If an acknowledgement is received, select channel 16 and advise your distress situation.

7.If no acknowledgment is received, the distress call is repeated in 4-minute intervals until a DSC acknowledgment is received.

8.When a DSC Distress acknowledgment is received, a distress alarm sounds. The radio automatically switches to channel 16, and display shows the MMSI of the ship responding to your distress.

RECEIVED ACK: acknowledgment signal is received.

RECEIVED RLY: relay signal is received from another vessel or coast station.

9.To cancel the DSC distress alarm signal from the speaker, press any key.

Page 100

CPV550