
2. Programming Commands
497096, issue 3 Page 45
109: Three-way Calling (UK only)
To use three-way calling, you must make sure that the BT Network Services
Option of "three-way calling" is available on the telephone line to which the
communicator is connected.
Option
0 Three-way calling off (default).
1 Three-way calling on.
Operation: If the communicator, when triggered by the control unit,
detects Off Hook or Incoming Ringing, it sends an 80ms trigger. This
trigger represents the "R" or Recall button on a telephone and is
interpreted by the exchange as a request for a new clean line. When
the new line is available, the communicator tries to connect to the
programmed receiver number.
110: Download Mode
You can program the control unit from a PC using Downloader software. The
PC can be connected to the control unit using the telephone network or, for
the 9752 or 9853 model, locally using a cable. This command enables you to
select one of these options.
Option (not 9751)
0 Local (default for 9752 and 9853). Programs the control unit for a
cable connection.
1 Remote. Programs the control unit for a telephone connection, in
which case it will wait for and answer a call from the remote PC. You
will need to use Commands 112 and 113 to configure the connection.
Notes:
1. There is no option for this command on the 9751, which has no connector for a
local PC: 110
y
selects Remote.
2. Secure Callback does not work with this command.
3. The control unit will exit from this command if Downloader does not call within 30
minutes. Press
X
to exit before then.
111: Modem Speed (9853 only)
Use this command to set the speed of the modem inside the 9853 (built-in
communicator).
Option
0 Automatic baud selection: tries to connect at 1200 baud; if that fails,
connects at 300 baud.
1 300 baud (default).
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