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Use the 

Public Address (PA) 

mode of voice transmission to communicate to other 

nearby vessels or people. This feature requires a mounted and connected optional PA 
speaker.

   

To Broadcast on the PA Speaker:

   

1.

 Press the 

PA

 soft key.

   

2.

 Press the 

Talk

 button on the microphone and speak into  

   

  the microphone.

   

   

 NOTE 

 

While in the 

PA 

mode:

   

Q

  When the 

Talk

 button is pressed, the output is  

directed to the 

PA

 speaker and not transmitted  

as a radio signal through the antenna.

   

Q

  Received radio messages will not be heard while the 

PA

 

mode is active.

   

3.

 To turn off 

PA

, press 

PA soft key

 again.

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Cobra’s 

Burp

 feature allows the operator to expel water from inside the speaker 

grill. This is especially useful if the radio is Sprayed or during extreme foul weather 
conditions. In these conditions, water can become trapped in the speaker grill and 
muffle the audio.

   

To Activate Burp:

 

 

1.

 Press the 

BURP

 soft key.

   

2.

 The 

Burp

 tone(s) at maximum level will sound from the  

   

 

internal speaker for five seconds.

   

3.

 During this time, the matrix will display 

EXCUSE ME !

.

   

4.

 After a 5-second interval, the radio will return to standby

 

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The radio has a Cobra exclusive playback feature, 

Rewind-Say-Again

®

. This feature allows 

you to replay the last 20 seconds of an incoming audio transmission. It also allows you to 
record call details including position coordinates, call signs, registration numbers and store 
details that will help authorities locate a distressed vessel.

Example 1:

When engine noise, music or conversation creates too much noise to hear an inbound 
message clearly, press the 

Rewind-Say-Again

®

 button to enter the 

Rewind-Say-Again

®

 

menu to be able to hear the message a second time. This feature eliminates asking the 
sender to repeat the message

.

Example 2:

When listening to an urgent distress of an excited caller with confusing background noise, 
press the 

Rewind-Say-Again

®

 button to enter the 

Rewind-Say-Again

®

 menu to be able to 

hear the message a second time and get lifesaving information.

   

Operation of Rewind-Say-Again

®

   

1.

  Press the 

Rewind

 button after the last inbound audio 

   

  transmission.

   

2.

  Using the 

Up/Down soft keys

 or the 

channel Up/Down  

   

  buttons

 scroll to the 

PLAY RECORDING

 menu option.

   

3.

  Press the 

ENTR

 key to hear the recording.

   

4.

 The radio automatically replays the last 20 seconds of the  

   

  previous audio transmission.

   

5.

 Respond to the caller normally, after the message is replayed.

   

Setup and Advanced Operation of Rewind-Say-Again

®

 

 

   

Operation of Rewind-Say-Again

®

:

   

1.

  Press the 

Rewind

 button.

   

  a.

 

OFF: EXIT REWIND

 - When highlighted and the 

ENTR

 key is  

   

    pressed, exits the 

Rewind

 features and when the 

Rewind

  

   

    button is pressed again, the screen above will be displayed.

   

 

b. PAUSE RECORDING

 - Pause recording of incoming  

   

    audio transmissions.

   

 

c. PLAYBACK RECORDING

 - Playback recorded incoming audio.

   

 

d. SAVE RECORDING

 - Saves recorded incoming audio.

   

 

e. ERASE RECORDING

 - Erases the saved recording.

   

 

f.  RECORD MESSAGE

 - Record a message (using the  

   

    microphone to record the message, using the PTT key  

   

    to start and stop the recording).

   

 

g. PLAYBACK MESSAGE

 - Playback the recorded message.

   

 

h. SAVE MESSAGE

 - Save the recorded message.

   

 

i.  ERASE MESSAGE

 - Erases the saved message.

   

 

j.  TRANSMIT MESSAGE

 - Transmit the recorded message.

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Summary of Contents for MRF77

Page 1: ...W _ K L V V M To Set The Individual Reply Auto or Manual 1 Enter the DSC SETUP MENU menu and scroll to INDIVID CALL REPLY Individual Call Reply with the Up Down soft keys or the UP Down channel button...

Page 2: ...will always be included as scanned channels The remaining channel will be the VHF channel in effect when you enter Tri Watch mode NOTE The radio must be squelched for tri watch to function See page 2...

Page 3: ...scan after 2 seconds of inactivity unless you switch out of the Memory Scan mode 88 30 60 75 p u u r o o p q r r u o j p u u r o o p q r r u o j NOTE If there are fewer than two 2 channels tagged the...

Page 4: ...on creates too much noise to hear an inbound message clearly press the Rewind Say Again button to enter the Rewind Say Again menu to be able to hear the message a second time This feature eliminates a...

Page 5: ...ng stations of your identity MMSI Q Informs receiving stations of the nature of the emergency Q Informs receiving stations of sending position when a GPS device is connected or a position is manually...

Page 6: ...s Relay calls Only large ships and shore stations with specially equipped radios can send Distress Relay calls 7 3 2 6 2 2 c 7 9 This radio does respond to a Distress Relay call just as it responds to...

Page 7: ...tered directory entry or use the MANUAL entry option 3 Press the ENTR key 4 Using the Up Down soft keys or the channel Up Down buttons select the voice channel all radios will tune to after the Indivi...

Page 8: ...ess any button to turn Off the alarm To Receive A Group Call 1 Listen for the group voice message 2 Press the Talk button and respond only if appropriate 0 5 2 2 2 7 Position Request mode enables a DS...

Page 9: ...process you set a position request reply type See page 42 to change your setting Depending on the setting you chose when a Position Request message is received your radio will enter either Q The Auto...

Page 10: ...on 3 Press the ENTR key 4 Press the ENTR soft key to send the Position SEND Call 5 Press the EXIT soft key to exit the Position Send mode and return the radio to the Call Menu I J K L I M L N S V W K...

Page 11: ...I X Y Y W To Delete Call Log Information continued 3 Press the ENTR key 4 Using the Up Down soft keys or the channel Up Down buttons to highlight DISTRESS or RECEIVED CALLS log entry 5 Press the ENTR...

Page 12: ...ut not at 25 watts Selected channel is limited to one 1 watt Switch to another channel Will not transmit Selected channel is limited to receive only Switch to another channel No sound from speaker Vol...

Page 13: ...unicaci n mar tima Existen tres 3 juegos de canales VHF para uso mar timo en los EE UU Canad y el resto del mundo internacional La mayor a de los canales coinciden en los tres 3 mapas pero sin duda ex...

Page 14: ...25 26 27 28 84 Sintonice su radio en el canal correcto para su rea ver seatow com arc Llevar a cabo una comprobaci n de la radio como lo har a normalmente Al soltar el micr fono el sistema se volver a...

Page 15: ...ador mar timo Port Operations Ship Movement operaciones portuarias movimiento de embarcaciones 156 350 156 350 Commercial Comerciales 156 400 156 400 Commercial Intership Only Comercial entre embarcac...

Page 16: ...ns Ship Movement Operaciones portuarias movimiento de embarcaciones 157 100 157 100 U S and Canadian Coast Guard Liaison and Enlace entre las guardias costeras Maritime Safety Information Broadcasts t...

Page 17: ...pondence Marine Operator Correspondencia p blica operador mar timo Port Operations Ship Movement operacionesportuarias movimientodeembarcaciones 156 125 156 125 West Coast Coast Guard Only Costa occid...

Page 18: ...vement entre embarcaciones operaciones portuarias movimiento de embarcaciones 156 775 156 775 1 watt Port Operations Intership Only Operaciones portuarias entre embarcaciones solamente 156 825 156 825...

Page 19: ...Ship Movement operacionesportuarias movimientodeembarcacione 157 175 157 175 U S Government Only Canada EE UU entidades gubernamentales solamente Coast Guard Only Canad guardia costera solamente RX o...

Page 20: ...ciben en diferentes frecuencias A esto se le llama operaci n d plex El resto de los canales de n meros simples y todos los canales A como 01A 03A y 04A transmiten y reciben en una sola frecuencia a la...

Page 21: ...on to the length of this warranty Cobra shall not be liable for any incidental consequential or other damages including without limitation damages resulting from loss of use or cost of installation So...

Page 22: ...It will be necessary to furnish the following to have the product serviced and returned 1 For warranty repair include some form of proof of purchase such as a mechanical reproduction or carbon of a sa...

Page 23: ...ation or to order any of our products please visit our website www cobra com PLFUR7 0 1 2 1 0RELOH 36 1DYLJDWLRQ 6 VWHPV LJK HDU 2 2 3 4 5 6 7 1 2 2 7KH REUD OLQH RI TXDOLW 8 9 A B C D Nothing Comes C...

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