Lexmark C762 - Manual (Page 212)

PostScript
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sccbatch
channel sccbatch baud option
returns the user default settings for serial communication parameters.
channel has the following valid integer values:
9
25
If only one serial interface port is available on the printer, both 9 and 25 return
the same values. Baud and option values are returned on the stack.
baud returns the value of the Baud menu item.
option returns an 8 bit value as defined in the following illustration:
Stop Bits
This bit is always set to zero.
Data Style
01 7 data bits
11 8 data bits
Flow Control
000 XON/XOFF
001 DTR/DSR
101 DTR
110 XON/XOFF/DTR
111 XON/XOFF/DTR/DSR
Parity
00 ignore
01 odd
10 even
11 none
Errors: rangecheck, stackoverflow, stackunderflow, typecheck
7 6 5 4 3 2 1 0
Flow Control Parity Data Style Stop Bits