Quick Reference A-3
Font Modification Syntax Printer Action
ESC DAO Selects characters from the ASCII character
set.
ESC DX <charfont> Selects extended characters from the PC Line-
Draw or International character sets.
ESC D <font> <code>
<matrix>
Loads a character at a particular position.
Configuring the Printer Syntax Printer Action
ESC P^ Prints the battery voltage.
ESC P <value> Sets the power mode (when <value> is hex).
Sets the print contrast (when <value> is
decimal).
ESC Mnn0 CR Sets the power down timer to nn seconds
(000 = disable timer).
ESC C Resets auto power down to 20 seconds.
ESC P! Requests the printer’s battery voltage.
ESC P( Queries the printer firmware version.
ESC P) Queries the printer hardware model.
CTRL B Print status request for buffer and magnetic
card reader.
CTRL V Battery status request for buffer, battery
voltage, and magnetic card reader.
Using the Magnetic Card Reader Syntax Printer Action
ESC M' #timer#
<tracks> CR
Prepares the reader for a card swipe.