Lexmark OptraImage Color 1200r User's Guide - Page 60

Menu item, Values, Factory default

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Serial Menu (continued) Menu item Parity Values Even Odd None* Ignore Honor DSR This setting lets you select the parity for serial input and output data frames. Refer to the Technical Reference for more information about parity. Off* On *Factory default The Honor DSR setting determines whether the printer uses its data set ready (DSR) signal. DSR is one of the handshaking signals for most serial interface cables. The serial interface uses DSR to distinguish data sent by the computer from data created by electrical noise in the serial cable. This electrical noise can cause stray characters to print. Set Honor DSR On to prevent stray characters from printing. 46 Chapter 2: Changing printer settings

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46
Chapter 2: Changing printer settings
Parity
Even
Odd
None*
Ignore
This setting lets you select the parity for serial input and output data frames. Refer to the
Technical Reference
for more information about parity.
Honor DSR
Off*
On
The Honor DSR setting determines whether the printer uses its data set ready (DSR) signal.
DSR is one of the handshaking signals for most serial interface cables. The serial interface
uses DSR to distinguish data sent by the computer from data created by electrical noise in the
serial cable. This electrical noise can cause stray characters to print. Set Honor DSR On to
prevent stray characters from printing.
Serial Menu (continued)
Menu item
Values
*Factory default