Digital Select Calling (Dsc) Operation - Cobra Marine MR F45-D Owner's Manual

Digital Select 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 (1) or another of the alarms to alert you to them.
See pages 34 through 35 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 mariners.
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
n
connected or 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 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 distress
n
call.
Abort the distress call process and return to
n
Standby mode.
44 English
. There are three (3) choices:
SEND
Operating Your Radio
Distress Button
•
Manual
Position Entry Screen
Exit
Transmit USA High
Distress Waiting
Distress
Acknowledgement
Digital Select Calling (DSC)
Operation
2. Choose one (1) of the following:
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.
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 (3)
seconds to 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:
a. Press the Channel Up/Down buttons to move the
arrow to EXIT.
b. Press the Distress button to return to Standby mode.
NOTE
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
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
sounds again and the responding party's MMSI number
displays on the LCD.
If no acknowledgement is received, the radio resends the
n
message at approximately four (4) minute intervals until an
acknowledgement is received or the Distress call is aborted.
Nothing Comes Close to a Cobra
45
®