Sony FS-1570 User Manual

 

Below is the procedure for transmitting a distress alert via radiotelephone. Transmit the 
distress alert when a life-endangering situation occurs on your vessel. 

 
1.  Open the DISTRESS button cover and press the [DISTRESS] button more than three 

seconds to show the following display, then release the [DISTRESS] button.   

TIME TO GO  :               30S

NATURE: UNDESIGNATED

POS:

12˚34N 123˚45E AT 12:34

TELEPHONE         

  2182.0 KHZ

   

Distress  
call in progress! 

DSC FREQ     :

2187.5 KHZ

2.  After the distress call has been transmitted, the following displays appear in order. 

Wait for distress 
acknowledgement.

TIME TO GO:                 2M10S

NATURE: UNDESIGNATED

POS:  

12˚34N 123˚45E AT 12:34

 

TELEPHONE         

 2182.0 KHZ

DSC FREQ   :

   

2187.5 KHZ

SHIP IN DIST: 

123456789

 

 

POS: 

12˚34N 123˚45E AT 12:34

TELEPHONE     

      2182.0 KHZ

FROM COAST: 

001234567

NATURE: UNDESIGNATED

Distress acknowledge 
call received.

 

When distress call is
acknowledged by coast
station (usually within
1 min to 2 min 45 seconds)

3.  The audio alarm sounds; press the [CANCEL] key to silence the alarm. 
4.  Communicate with the coast station via radiotelephone as below. (In the dual control 

unit system, communication can be done from any control unit, after the distress alert 
has been transmitted. To restore priority to the #1 control unit after completion of 
distress communications, turn it off and on again.) 

a)  Say MAYDAY three times. 
b)  Say “This is …” name of your vessel and your call sign three times. 
c)  Give nature of distress and assistance needed. 
d)  Give description of your vessel (type, number of persons onboard, etc.) and any other 

information which may aid in rescue. 

 

 

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