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10. NBDP TRANSMITTING, RECEIVING
10-3
10.2 ARQ Mode Operation
In ARQ operation, one station (information sending station) sends data to another block by
block, then listens for the acknowledge signal between blocks from the information
receiving station which requests either the next block or retransmission of the last block if
there is error. The request can be repeated up to 32 times until the complete block is
received free of error.
Establishing connection
1. Press the function key
F3
to open the Operate menu.
2. Press the
1
key to select Call Station.
Caps-Eng
Station Name : CHOUSHI-8M
Frequency (T/R) : 8765.00 / 8965.00(kHz) Comm Mode :AQW
Comm Status :
Connect
Send
Lock
Error Mark Space
Sending Volume : 100(%) ARQ Error : 0 ARQ Time : 0(sec)
2002-01-15 14:41:09 UTC
Call Station
Station List
ABC-4M
ABC-6M
ABC-12M
ABC-8M
FURUNO
Station Setup
Station : ABC-4M
ID Code : 45678
Mode : ARQ FEC
CH/Table : Channel Scantable
Num/Table:
1:File 2:Edit
3:Operate
4:Window 5:Station 6:System 7:WRU 8:HR 9:Over 10:Break
Call Station menu
3. Select a station. (Station must be registered for use in the ARQ mode).
4. Press the
Enter
key. The message “Calling Station” appears. If the message shown
below appears, check both the power of the radiotelephone and the connections
between the radiotelephone and the NBDP Terminal Unit.
Message: “Station calling suspended. Check interconnections between the terminal and
main units. Press any key to escape.”
When an acknowledge signal is detected, “Connect” appears in reverse video on the
communication status screen.
Note:
If signal conditions are poor, connection can take a while. If the line could not be
connected in one minute, the calling stops and “CALLING FAILED” appears. Try step 3
again, one minute later. Should signal conditions worsen during message transmission,
“Error” appears in reverse video and 30 seconds later the line is disconnected.
5. Transmit message by one of the following methods:
Sending a file stored on a floppy disk
1. Press the function key
F7
(WRU) to receive the answerback code of the other station.
Verify that the code from the station called is correct.
2. Press the function key
F8
(HR) to transmit your own identity (answerback code).
3. Press the function key
F3
and then the
3
key to open the Send File window.
4. Press the
↑
or
↓
key to select the file to send and press the
Enter
key.
5. Press the
Enter
key again.
Содержание FS-2575
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Страница 140: ...APPENDIX AP 4 Custom channels to be programmed by FURUNO dealers CH NO Ship Receive kHz Ship Transmit kHz Remarks...
Страница 162: ...APPENDIX AP 26 Control unit FS 2575C 05P0844 PANEL 05P0853 C IF 05P0852 C CPU Antenna Coupler AT 5075 05P0875 COUP...