Datalogic PowerScan M8500, Product Reference Manual

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Messages from Host to Reader
Product Reference Guide 177
Font Selection
ESC [ 0 m Normal mode
ESC [ 7 m Reverse mode
ESC # 4
Large font: subsequent characters are written on the current row and the
row below it using the 12x16 font which allows for two rows of eight char-
acters on the display.
ESC # 5
Normal font: subsequent characters are written using the 6x8 font, which
allows for four rows of sixteen characters on the display.
ESC # 7
Medium font: subsequent characters are written using the 8x8 font, which
allows for four rows of twelve characters on the display.
Clearing Display
LED and Beeper Control
The LED control escape sequences are intended to activate the LEDs for short periods of
time and can be used in combination with the Beeper. The LED and Beeper will be
controlled by the system after the entire command sequence is interpreted.
Example:
Setting RTC
ESC [ 0 K From cursor position to end of line inclusive
ESC [ 1 K From beginning of line to cursor position (not inclusive)
ESC [ 2 K Entire line
ESC [ 0 J From cursor position to end of display inclusive
ESC [ 1 J From beginning of display to cursor position (not inclusive)
ESC [ 2 J Entire display; moves cursor to upper left corner on display
ESC [ 0 q Emit short High tone + short delay
ESC [ 1 q Emit short Low tone + short delay
ESC [ 2 q Emit long Low tone + short delay
ESC [ 3 q Emit good read tone
ESC [ 4 q Emit bad tx tone
ESC [ 5 q Wait 100 ms
ESC [ 6 q Turn on the green LED
ESC [ 7 q Turn off the green LED
ESC [ 8 q Turn on the red LED
ESC [ 9 q Turn off the red LED
ESC [ 6 q ESC [ 3 q ESC [ 7 q
Turns on the green LED, emits a good read tone, and turns
off the green LED.
ESC [ 6 q ESC [ 5 q ESC [ 7 q
Turns on the green LED for 100 ms and then turns off the
green LED.
ESC [ 0 p d d m m y y Set date to day, month, year
ESC [ 1 p h h m m
Set time to hours, minutes; seconds are automatically set
to 00.