Data Transfer - Canon PARALLEL INTERFACE-30 Manual

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Data Transfer
After connecting the interface, switch the typewriter to the online
mode to start printing. Printing will be performed according to the
character and control codes sent from the computer.
If the character codes you wish to send to the typewriter for print-
out are different from the codes listed in the character code tables,
or if you wish to send control codes, a command to convert charac-
ter codes to the actual characters for printout should be included in
the program to be run on the computer.
• For details on how to use a command to convert character codes into characters,
see the operating instructions for the computer used.
Character codes are expressed in hexadecimal notation. The two-
digit representations for the characters in the character code tables
are formed by placing the values (0 - 7) along the top of the table
to the left of the values (0 - F) down the side of the table.
Example:
In the ASCII character code table,
A is 4111 and k is 6B11
The letter
H
following the codes means they represent hexadecimal
values.
In the hexadecimal number system, the letters A through
F
are used
to represent the numbers 10 through 15.
14

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