A&D 191 - Manual (Page 28)

After typing RUN, your custom character will be stored in
the printer’s memory. It will retain this information until
the printer is switched off or until you write over the data
by defining a different character.
To print your newly designed character, simply send
CHR$(126) which corresponds to hexidecimal value 7E.
This control code is used when setting the printer’s time
and date clock. Following is the text string to send when
setting the clock:
This control code is used to read the printer’s time and
date clock. Following is the ASCII string received:
Sending this control code will turn off the reverse field
mode that is selected using control code 25.
Send this control code to turn on the reverse field
printing mode. This will print white letters on a dark
background. Do not print more that three reverse field
print lines. Also, do not print more than a few empty
spaces in a reverse field. The printer may become
overloaded and stop printing.
Set Time and Date Set Time and Date Set Time and Date Set Time and Date Set Time and Date
Control Code 20 Control Code 20 Control Code 20 Control Code 20 Control Code 20
Read Time and Date Read Time and Date Read Time and Date Read Time and Date Read Time and Date
Control Code 22 Control Code 22 Control Code 22 Control Code 22 Control Code 22
Cancel Reverse Field Cancel Reverse Field Cancel Reverse Field Cancel Reverse Field Cancel Reverse Field
Control Code 24 Control Code 24 Control Code 24 Control Code 24 Control Code 24
2 3 2 3 2 3 2 3 2 3
Reverse Field Control Reverse Field Control Reverse Field Control Reverse Field Control Reverse Field Control
Code 25 Code 25 Code 25 Code 25 Code 25