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1256E User Manual
PROBLEM
Publication Number 980873 Rev. A
POSSIBLE CAUSES
• Baud rate too high for cable
and terminal being used.
• Cable is excessively long,
or not of high quality.
Text from 1256 to remote
terminal overwrites itself,
staying on one line.
• Termination characters of
1256 not compatible with
terminal setup.
Text from 1256 to remote
• Termination characters of
terminal is double-spaced
1256 not compatible with
(lines of text are separated by
terminal setup.
blank lines).
Remote terminal does not
display characters that are
typed.
• Echo mode of remote
terminal is not set to halfduplex (local echo).
• HyperTerminal (included
with Microsoft Windows)
can fail to echo characters
properly.
Troubleshooting C-4
WHAT TO DO
• Change to a lower baud rate.
Make sure that the new 1256
baud rate matches the new
terminal baud rate (to set the
1256 baud rate, see Chapter
4, GPIB and RS-232
Interfaces, under the heading
Setting the Baud Rate).
• Use a high-quality, shielded
cable.
• Set 1256 to use carriage return
and line feed (CR-LF) as
termination characters (see
Chapter 4, GPIB and RS-232
Interfaces, under the heading
Setting the Message
Termination Characters).
• Set 1256 to use only carriage
return (CR) as termination
character (see Chapter 4,
GPIB and RS-232 Interfaces,
under the heading Setting the
Message Termination
Characters).
• Set terminal for half-duplex
(local echo) mode. Consult the
terminal user’s manual for
instructions.
• Download newer version,
known as “HyperTerminal
Private Edition” from:
http://www.hilgraeve.com
Astronics Test Systems