Hitachi PH Instruction Manual page 188

● For pattern data composition purposes, the data is arranged in successive order,
beginning from the bottom left, from bottom to top and from left to right.
b) Pattern data example
a) For a character size of 5x5
Unusable area
Removal of the first byte
Inter-character space data area
7
0
2
2
0 0 0 0 0 1 1 1 = 07H
Rotated 90 degrees counterclockwise
Composition order 1 2 3 4 5 6 7 8
Pattern data 07H 0AH 12H 0AH 07H 00H 00H 00H
● Transmission Sequences 6-27