Control Codes - Canon PARALLEL INTERFACE-30 Manual

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Control Codes
In addition to the character codes listed in the previous tables, the
following control codes can also be used.
Upon receiving a control code, the typewriter will execute the cor-
responding function.
Control Code
Function
Code Name
Hex Code
BEL
07H
Bell tone (alarm)
BS
08H
Backspace
HT
09H
Horizontal tab
LF
OAH
Line feed
CR
ODH
Carrier return
so
OEH
Shift out
SI
OFH
Shift in
ESC!
1BH21H
Printing stop
• Either CR or CR/ LF can be chosen as the function corresponding to the CR
code.
• The SO and SI control codes are effective only with the Typestar 7 in the LO-
CAL Character Code setting, and then only when the data bit length is 7 bits.
The SO code works to shift the characters of the LOCAL character code table
from columns A to F into columns 2 to 7 to create an expanded character set
(see pages 16 and 17).
The SI code cancels the SO code.
Example:
Under the SO code:
£ is 23H and i is 3F11
19

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