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5. ROUTINE MESSAGE CALLING, RECEVING
5-6
Able acknowledge call received
Communicating by radiotelephone
1. Press the CANCEL key to silence the audio alarm, and the display changes as below.
MAR-23-2006-23:59
ABLE ACKNOWLEDGE
SENDER ID:
123456789
PRIORITY : ROUTINE TX:2138.0kHz
TELEPHONE RX: 2138.0kHz
*
Received message
*
GO TO VIEW
10M10S
2. Press the CANCEL key to go to the radiotelephone screen.
3. The working frequency is automatically set; you may start voice communications by
radiotelephone.
Sending message by NBDP Terminal Unit
The message “STATION ENTRY COMPLETED FROM DSC. Press any key to escape.”
Appears on the NBDP’s display.
1. Press any key on the NBDP Terminal Unit to erase the message.
2. Press the function key F3 on the keyboard of the NBDP Terminal Unit to show the
Operate menu.
3. Choose “Call Station” and then press the Enter key.
4. “DSC” is selected; press the Enter key. “Connect” appears in reverse video.
5. Type and transmit your message.
6. When you have finished sending your message, press the F10 key to disconnect the
line.
Unable acknowledge call received
1. Press the CANCEL key to silence the alarm. The display looks something like the one
below.
*
Received message
*
MAR-23-2006-23:59
UNABLE ACKNOWLEDGE
NO REASON GIVEN
GO TO VIEW
SENDER ID:
123456789
PRIORITY: ROUTINE
Reason for unable to acknowledge:
NO REASON GIVEN
CONGESTION AT SWITCHING CENTRE*
BUSY
QUEUE INDICATION*
STATION BARRED*
NO OPERATOR AVAILABLE*
OPERATOR TEMPORARILY UNAVAILABLE*
EQUIPMENT DISABLE
MODE NOT USABLE
CHANNEL NOT USABLE
* Coast station use
10M10S
2. If the coast station sends the message “QUEUE INDICATION,” wait until your turn
arrives.