1.2
Encoding of message number in hexadecimal mode
The hexadecimal mode (base 16) is coded on 4 bits, whose value is comprises between 0
and F (0000 to 1111 in binary code).
Bits 0 to 6 used for the message number.
Bit 7 must obligatorily be positionned at 0.
Example: request for message number 29 (1D in hexadecimal).
1.3
Option: reversed message direction
If the printer is equipped with the "reverse message direction" option, the message
number must be encoded in hexadecimal format.
Bit 7 is used to reverse the direction of message printing.
0 = normal direction / 1= reverse message direction
6
5
4
3
2
1
0
7
Message number
D
0
1
1
1
0
1
0
0
1
"1" = active level
"0" = inactive level
0 = hexadecimal Mode
Bit
Parallel link - Selection of messages
A13862 Version E
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