5 CALLING, RECEIVING

12.Press the [CALL] key to send the individual call (transmission time: about seven seconds). The display shows the message "Individual request call in progress!" while the call is being sent.

Individual request call in progress!

TO SHIP: 123456789

ROUTINE

 

TELEPHONE

2138.0 KHZ

DSC FREQ :

2177.0 KHZ

TIME TO GO:

7S

Note: When the channel is in use, "CH BUSY" appears at the lower left-hand side of the screen.

Press [CALL] key for forced transmission.

13.After the call is sent, the equipment waits for acknowledgement of the call, showing the display below.

Waiting for acknowledgement.

FROM SHIP:

123456789

ROUTINE

 

TELEPHONE

2138.0 KHZ

DSC FREQ :

2177.0 KHZ

TIME TO GO:

4M30S

14.The timer starts counting down the maximum time to wait for acknowledgement, five minutes, randomly set. One of the following three messages appears. (“No response! Try calling again.” appears after the timer counts down to zero. It means the receiving station did not respond.)

Able acknowledge call received.

FROM SHIP:

123456789

ROUTINE

 

TELEPHONE

2138.0 KHZ

STOP ALARM

Able acknowledge call received

Unable acknowledge call received.

NO REASON GIVEN

FROM SHIP:

123456789

 

ROUTINE

 

 

 

 

 

 

STOP ALARM

 

Unable acknowledge call received

No response!

Try calling again?

FROM SHIP:

123456789

ROUTINE

 

TELEPHONE

2138.0 KHZ

DSC FREQ :

2177.0 KHZ

CALL AGAIN

No response from station

15.Do one of the following depending on the message shown in step 14.

5-8

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Furuno FS-2570, FS-1570 manual Press Call key for forced transmission