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Chapter 3: Using the Operator Panel and Menus
Parity Even
Odd
None*
Ignore
This setting lets you select the parity for serial input and output data frames.
Even The port expects to receive data frames with an even number of logical 1’sper
byte. The port transmits XOFF and XON with even parity. If the port detects a
parity error, the port sends an inverted question mark to the printer instead of the
character sent by the host system.
Odd Theportexpectstoreceivedataframeswithanoddnumberoflogical1’s per
byte. The printer transmits XOFF and XON with odd parity. If the printer detects a
parity error, the port sends X'5F' to the printer instead of the character sent by the
host system.
None The port expects no parity bit when it receives data. The port transmits XON and
XOFF without parity bits.
Ignore The port expects a parity bit when the port receives a data frame. The port
ignores the parity bit. The port uses even parity when it transmits XON and XOFF.
Refer to the
Technical Reference
for more information about parity.
Honor DSR
(only available if
configured for
RS-232)
Off*
On
Honor DSR determines if the printer uses the Data Set Ready (DSR) signal. DSR is one of the
handshaking signals for most serial interface cables. If
Honor DSR is set to Off, data received
by the serial interface is seen as valid data. If
Honor DSR is set to On, only data received
while the DSR signal is in high condition is treated as valid data.
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 to On to prevent stray characters from printing.
Serial Menu (continued)
Menu Item Values
*Factory default