Справочник Пользователя для Printronix P7000
Centronics (Parallel) Submenu
77
Data Bit 8
•
Enable (default). Allows access to the extended ASCII character set.
•
Disable. The printer interprets bit 8 of each incoming data character as a
zero, regardless of its actual setting.
zero, regardless of its actual setting.
PI Ignored
The PI (Paper Instruction) signal is used to control vertical paper motion.
•
Enable (default). Ignores the PI signal and treats the data as characters
or control codes.
or control codes.
•
Disable. Causes the printer to interpret the eight data lines as VFU
commands when the PI signal is true.
commands when the PI signal is true.
Data Polarity
The Data Polarity parameter must be set to match the data polarity of your
host computer.
host computer.
•
Standard (default). Does not expect the host computer to invert the data.
•
Inverted. Expects the data received on the data lines from the host
computer to be inverted. Ones become zeros, and vice versa.
computer to be inverted. Ones become zeros, and vice versa.
Resp. Polarity
The Resp. Polarity parameter must be set to match the response polarity of
your host computer.
your host computer.
•
Standard (default). Does not invert the response signal.
•
Inverted. Inverts the response signal sent to the host computer.
Busy On Strobe
•
Enable (default). Asserts a busy signal after each character is received.
•
Disable. Asserts a busy signal only when the print buffers are full.
Latch Data On
Specifies whether the data is read on the leading or trailing edge of the data
strobe signal. The default is leading.
strobe signal. The default is leading.
Prime Signal
•
Enable (default). The parallel port will perform a warm start (reboot) if the
host asserts the prime signal.
host asserts the prime signal.
•
Disable. The parallel port will not perform a warm start (reboot) if the host
asserts the prime signal.
asserts the prime signal.