Citizen CBM-909PC SERIES User Manual page 25

d. External character registration; ESC + & + A1 + A2
Up to 8-character pattern can be registered by inputting the pattern data following the ESC + & + A1 + A2
command.
Registerable character addresses are the code table 20H through OFFH, that is 8 characters.
The character address at the start of registration is "A1", and that at the end of registration is "A2".
When registering one character, it should be A1=A2.
When registering multiple characters, it should be A1<A2 and A2-A1 7.
When external character registration is done in the same character address duplicately, the pattern registered later
becames effective.
If more than 8 characters are registered, all the character patterns registered so far are cleared.
The pattern data should be as follows.
The MD-910 specifications require 6 bytes per character.
LSD
MSD
The MD-911 specifications require 7 bytes per character.
LSD
MSD
The pattern for the MD-911 specifications does not allow the dots to be consecutively arranged in the printing direction
(line direction).
Printing is not allowed at the point "*" to the right of the point "."shown above. Even if you specify the pattern at the
point "*", the print "*" of registration is canceled.
1 2 3 4 5 6 1
63H
1 2 3 4 5 6 7 1
41H
2 3 4 5
55H 49H 41H 41H
Pattern data (6 bytes)
2 3 4 5
22H 55H 08H 41H
Pattern data (7 bytes)
21
CBM-909PC Series User'sManual
6
41H
6 7
00H 41H