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CHAPTER 2
LaserWriter Select 310 Software
Setting Compatibility Operators 35
setsccbatch 2
Setting Engine Device Parameters 2
This section describes the compatibility operators that set Level 1 engine device
parameters.
darkness 2
Syntax channel baud options setsccbatch –
Definition This operator sets the communication parameters as specified by
three integers:
■ channel, which designates the serial channel. Channel 9 only
is available
■ baud rate, which determines the rate of data transfer
■ options, which encodes parity, flow control, the number of
data bits, and the number of stop bits to be used in serial
communication mode
The new baud rate and options do not take effect until the end of the
current job. You may not set the serial channel’s baud rate to 0. A 0
setting will cause a rangecheck error to occur.
Example: 9 19200 2 setsccbatch sets the 8-pin serial channel to
19200 baud with even parity.
Refer to the section “SCC Operator Encoding,” in Chapter 3, for detailed
information on this subject.
Errors invalidaccess, rangecheck, stackunderflow, typecheck
Syntax – darkness real
Definition This operator returns the darkness value set by setdarkness.
Standard value: .75
Error stackoverflow