IBM 6400 Setup Manual page 125

Hex Transparent Control
This option allows you to enable (the default) or disable additional features
that are not available in standard IBM emulations. To access these features,
send lead-in character text commands in the data stream. You can also use
ASCII codes 80 hex through 9F hex as control codes if configured to do so.
•
Lead-In Characters. The Lead-In Character commands must have a
start and end code. Set 1 is the factory default. Three sets (each
containing a start and end code) are available:
•
Set 1: start code = <%
end code = >
•
Set 2: start code =
end code = $
•
Set 3: start code = _%
end code = _
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User Defined Codes
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Start Code 1: 5F (Default)
•
Start Code 2: 5F* (Default)
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Stop code: 5B (Default)
The codes can be set to x'40' - x'FF' range
•
Alternate Set 80 - 9F. This selection determines if ASCII codes 80 hex
through 9F hex will be used as control codes or printed as standard
printable characters.
•
Printable (the default) prints the alternate set as standard characters
•
Control Code selects the alternate set to be used as printer control
codes.
Undefined Character Reporting
UNDEFINED CHARACTER REPORTING allows overriding of the host
setting of the SGEA (Set Graphic Error Action) command. For more
information about the SGEA command, refer to the 6400 Coax/Twinax
Programmer's Reference Manual.
•
ENABLE (the default) is the host setting for the SGEA and is used by the
printer. If the SGEA command is requested to stop on graphic errors, the
printer will stop when a graphic error is detected.
•
DISABLE ignores the SGEA command from the host. The printer does
not stop when an error is detected; instead, it substitutes the character
selected in the "UNDEFINED CHARACTER SUBSTITUTION" menu
entry.
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