The preamplifier also communicates via the RS-232 port any changes made via the
front panel or remote wand, using what is called ‘event generation’, to keep other
connected components in synch with the TL-5.5.
Control functions and information returned are accessed through the rear RS-232 port
via a standard DB9 male female connector cable and standard ASCII text strings using
pre-defined commands as listed below in the summary of all the control functions that
can be performed on the front panel and the expected results on the RS-232 port.
The RS232 communication port is designed to interface with central command
systems to enable the preamplifier to be located and operated remotely, and allows the
user to interface with the preamplifier using any PC and the standard HyperTerminal
utility provided with the Microsoft Windows Operating system. Hyperterminal is
configured using the Properties command under the File menu with the following
settings:
9600 Baud, 8 data bits, Parity =None, 1 stop bit, Flow control =None
While the Hyperterminal window is still opened, select the File menu and click on the
“Properties” command.
Check that the “Connect To” tab specifies “Connect Using” as COM1.
Change to the “Settings” tab, check the following settings:
First field: Function, arrow and ctrl keys act as – “Terminal Keys” selected
Second field: Backspace key sends – Ctrl+H selected
Third field: Emulation – Auto Detect selected
Fourth field: Telnet terminal ID: ANSI
Fifth field: Backscroll buffer lines : 500
Push the ASCII Setup… button and ASCII Setup dialog box opens.
ASCII Sending section:
Do not select “Send line ends with line feeds”
Do not select “Echo typed characters locally”
Line Delay – 0
Character Deley – 0
ASCII Receiving section:
Select “Append line feeds to incoming line ends” – check mark on this field
Deselect or uncheck “Force incoming data…”
Deselect or uncheck “Wrap lines that exceed…
Close the ASCII Setup dialog box by clicking the OK button.
Close the Siegfried Hyperterminal Properties box by clicking the OK button.
Save the Hyperterminal settings before you close the Hyperterminal window.
After the Hyper terminal Program is running and its window is opened, enter the text
string >HELP (or >?) followed by carriage return to display available commands for
the TL5.5 preamplifier. The convention used is command {parameter} or command
[parameter], with {} meaning required parameters and [] meaning optional parameters.
For systems without a return button the amplifier’s microprocessor recognizes /C as a
TL5.5 SERIES II Preamplifier Owner’s Manual
VTL
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Summary of Contents for TL5.5 Series II Signature
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