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Page 11-5TRANSPARENCY MODES
Here are some examples (using the default Trigger 1) that show the output
sent to the printer upon receiving input from the coax host when using MD-
Laser pseudo transparency:
Host Input to ULTRA ASCII Output
¢C2616263¢ abc
¢C2 61 62 63¢ abc
¢C2 41 02*42 05*43¢ ABBCCCCC
If Option #55 is set to No, the default, then the trigger and all of the
otherwise transparent characters will be printed normally, as indicated by
the active translate table (see Section 7 Translate Tables).
Laserpage Pseudo Transparency
The ULTRA is capable of supporting Laserpage, a software product that
allows IBM AFP data streams to be printed to Xerox and Hewlett-Packard
laser printing systems. Laserpage uses a transparency mode similar to
Trigger 1 + Trigger 2 PTM, but with repeat count capabilities.
If Option #59 is set to Yes, when the ULTRA detects Trigger 1 followed
by Trigger 2 in the data stream, it begins checking for valid pairs of
hexadecimal characters. When the ULTRA detects an asterisk, it combines
the two bytes prior to the asterisk to form a count byte, and it combines the
two bytes after the asterisk to form a repeat byte. The ULTRA then sends
out the repeat byte to the printer the number of times indicated by the count
byte. This provides some compression of graphic data. Normal pseudo
transparency then resumes.
Here are some examples (using the defaults for Trigger 1 and Trigger 2)
that show the output sent to the printer upon receiving input from the coax
host when using AGILE Laserpage pseudo transparency:
Host Input to ULTRA ASCII Output
¢$616263¢ abc
¢$4102*4205*43¢ ABBCCCCC
If Option #59 is set to No, the default setting, then the trigger and all of
the otherwise transparent characters will be printed normally, as indicated
by the active translate table (see Section 7 Translate Tables).