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Digital Selective Calling
(DSC) Operation
Operating Your Radio
DSC Operation
Sending DSC calls is done from menus similar to the Settings menu. Whereas entering
the Settings menu required a press and hold of the Call/Set button,
the sending menus appear with a press of the Distress button.
All received DSC calls will sound one or another of the alarms to alert you to them. See
pages 24 through 25 for descriptions of the different alarms. Pressing any button will turn Off
the alarm while maintaining the received call information on the LCD.
Sending Distress Calls
Sending and receiving distress calls and acknowledgements on Channel 70 can be a
lifesaver for boaters.
NOTE
The DSC call will:
Sound the distress alarm at all receiving stations.
n
Informs receiving stations of the sender's identity (MMSI).
n
Informs receiving stations of the nature of the emergency.
n
Informs receiving stations of sending position when a GPS device is connected or
n
a position is manually entered.
DSC operation does not provide receiving stations with information like number of persons
aboard or injuries. This specific information must be communicated by voice on Channel 16
to the station that acknowledges a DSC Distress call.
To Send a DSC Distress Call:
Distress Button
1. From Standby mode, lift the spring-loaded red door on the
transceiver and press the Distress button.
The Distress menu displays with an arrow
pointing to
SEND
Send a distress call automatically, with your position,
n
Send/Manual/Exit
if you are connected to a GPS. Or send the call, without
your position, if not connected to a GPS.
Include a Nature of Distress message with the
n
distress call.
Abort the distress call process and return to
n
Standby mode.
44 English
•
. There are three choices:
Digital Selective Calling
(DSC) Operation
Operating Your Radio
2. Choose one of the following:
Distress Button
To Send An Automatic Distress Call:
Press and hold the Distress button.
Include a Nature of Distress Message with Distress Call:
a. Press and release the Distress button.
Manual
b. Press the Channel Up/Down buttons to manually select
from the list of pre-programmed Nature of Distress calls
— UNDEFINE, FIRE, FLOODING, GROUNDIN, COLLISIO,
MORE.
c. Press and hold the Distress button for three seconds to
Position Entry Screen
transmit the distress signal.
Abort The Distress Call Process:
If the Distress button is pressed by mistake or to discontinue
resending an automatic distress message:
Exit
a. Press the Channel Up/Down buttons to move the arrow to
EXIT.
b. Press the Distress button to return to Standby mode.
NOTE
Transmit USA High
You may also press the WX/ESC (escape) button to
return to the Standby mode.
The Distress alarm sounds to confirm that the message is
Distress Waiting
transmitted. At the end of the transmission, the radio
maintains a watch on Channel 16 and Channel 70 for an
acknowledgement. Press any button to turn Off the alarm
and return to Standby mode.
If an acknowledgement is received, the Distress alarm
n
Distress
sounds again and the responding party's MMSI number
Acknowledgement
displays on the LCD.
If no acknowledgement is received, the radio resends the
n
message at approximately four minute intervals until an
acknowledgement is received or the Distress call is aborted.
45
Nothing Comes Close to a Cobra
®
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