Furuno FS-1575 Operator's Manual page 56

5. DSC GENERAL MESSAGE CALLING, RECEIVING
13. Rotate the ENTER knob to select [GO TO CALL] then push the knob to send the
individual call. The screen changes as below.
The timer starts counting up the time since the call was sent. After the call is sent,
the equipment waits for acknowledgement of the call, showing the WAIT FOR
ACK screen as below.
When the ACK is received, the audio alarm sounds and the pop-up message
"ROUTINE (or SAFETY, URGENCY) INDIVIDUAL ACK received! [CANCEL]:
Stop alarm" appears on the screen as below. The timer starts counting up the time
since the ACK was received.
There are three types of ACK messages; [ABLE ACK], [UNABLE ACK] and [ABLE
CHANGE FREQ].
14. Do one of the following depending on the message type shown at step 13.
5-4
[SENDING]
INDIVIDUAL MSG
123456789
TO :
TELEPHONE
COMM MODE :
TX 2170.0 /RX
COMM FREQ :
INFO PRINT
TX 2177.0/ RX 2177.00 kHz
[WAIT FOR ACK]
INDIVIDUAL MSG
123456789
TO :
TELEPHONE
COMM MODE :
TX 2170.0 /RX
COMM FREQ :
INFO PRINT
RESEND
TX 2170.0/ RX 2170.00 kHz
[ACKNOWLEDGED]
INDIV ABLE ACK
123456789
FROM :
TELEPHONE
COMM MODE :
TX 2170.0 /RX
COMM FREQ :
INFO PRINT
2177.0/ RX 2177.00 kHz
ELAPSED TIME:
00 00 02
H M S
CAPTAIN_5075
2170.0
kHz
ELAPSED TIME:
00 00 58
H M S
CAPTAIN_5075
2170.0
kHz
HOLD QUIT
ELAPSED TIME:
00 00 04
H M S
CAPTAIN_5075
2170.0
kHz
HOLD QUIT