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commands explained here are available to redefine these
codes.
G"ESC>I1
I
ENABLE PRINTING OF CODES
(decimal 0-31)
This command enables printing of many of the codes in the
decimal 0-31 range. However, not all of the control codes
will be printable in spite of this command. For example,
<ESC>27 is the control code for the Escape character. This
should never be disabled. Codes which access special
modes or send directions to the printer cannot be printed
as normal characters. These include 7-15, 17-20, 24, and
27.
A printable equivalent of all other characters in the 0-31
range will print when this command is used. The
Hex
values for decimal 0-31 are
X'DO'
through X'lF'.
The control code locations (7-15, 17-20, 24, and 27) can
still be used by also sending <ESC>R when using the In-
ternational Character Set. Some of this will not work with
7 -bit systems.
I
<ESC>IO
I
DISABLE PRINTING OF CODES
(decimal 0-31)
This command disables printing of all decimal 0-31 con-
trol codes.
I
<ESC>61 ENABLE PRINTING OF CODES
(decimal 128-159)
This command- allows you to redefine the "High-Order
Control Codes" (decimal 128-159).
WARNING: Do not use this command when the High-
Order Bit Control command is "ON" «ESC»). The
High-Order Bit Control command must be set to read
the High-Order Bit "as is" «ESC>#).
E-42
Appendix E
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