DSC Operation

Operating Your Radio

Receiving An All Ships Call

All Ships calls sent by stations within range of your radio will sound the distress alarm on your radio and switch your radio to Channel 16.

DSC Operation

Operating Your Radio

Sending An Individual Call

The DSC Individual call feature allows you to notify one (1), and only one (1), station that you want to communicate with that station. It does not alert all other stations within range that you will be sending a message as a voice

All Ships Call

When An All Ships Call Is Heard:

1. Press any button to turn Off the alarm and return to

call on Channel 16 or Channel 9 would.

 

Standby mode.

2.

Read and write down the MMSI of the vessel sending

 

the call as well as the date and time of the call in case

 

you will want to respond.

3.

Listen to the voice message sent on the channel your

 

radio was switched to by the incoming all ships call.

Standby Mode

Individual

To Send An Individual Call:

1.

In Standby mode, select a channel on which you

 

want to communicate.

2.

Press the Call/Set button to enter the Call Send menu.

3.

Use the Up/Down buttons to scroll to INDIV (Individual).

4.

Press the Call/Set button to move to the individual directory.

Sending A Geographical Call

Your radio cannot send Geographical calls. Only large ships and shore stations with specially equipped radios can send these calls.

Receiving A Geographical Call

Geographical calls are sent by specially equipped radios to all stations in a particular geographical area to alert only those stations of the call and not stations in unaffected areas. If you are in an area to which a Geographical call is made, it will sound the geographical alarm on your radio and switch your radio to the channel chosen by the sending station.

Geographical Call

When A Geographical Call Is Heard:

1.Press any button to turn Off the alarm.

2.Read and write down the MMSI of the vessel sending the call as well as the date and time of the call in case you will want to respond.

3.Listen to the voice message sent on the channel your radio was switched to by the incoming geographical call.

4.Press one (1) of the following three (3) buttons to switch from geographical call receive to Standby mode: Call/Set button, Channel 16/9 button, or Talk button.

Select Name

Individual Waiting

Send/Exit

5.

Use the Up/Down buttons to select the name you

 

want to call from the directory.

6.

Press the Call/Set button to send the message or

 

return to Standby mode if EXIT was chosen.

If the radio you are calling sends back an automatic DSC response of “able to comply,” the individual alarm will sound. Wait for a voice message from the called station.

If the called radio does not send an “able to comply” response, your radio will wait eight (8) seconds and resend the message.

If an “unable to comply” response or no reply is received, your radio will go to the Unavailable menu.

At the Unavailable menu, you can choose SEND or EXIT with the Up/Down buttons. If you choose SEND, your radio will restart the individual call. If you choose EXIT you will be returned to the individual location on the Call Send menu.

60 English

Nothing comes close to a Cobra® 61

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Cobra Electronics MR F75 owner manual Receiving An All Ships Call, Sending An Individual Call, Sending a Geographical Call