User Manual
Pixel Layout of Display Characters
General Purpose Output On
ASCII ' V', Hex 56, Decimal 86
Syntax 0xFE 0x56<hex number corresponding to output>
To turn a general output purpose on, send a command prefix followed by the character 'V' and hex number which corre-
sponds to the output which will be turned on. To turn on output five, the sequence would be:
<command prefix> 0xFE
<command> 0x56
<hex number corresponding to output> 05H
General Purpose Output Off
ASCII 'W', Hex 57, Decimal 87
Syntax 0xFE 0x57<hex number corresponding to output>
To turn a general output purpose off, send a command prefix followed by the character 'W' and a hex number which
corresponds to the output which will be turned off.
Go To Position
ASCII 'G', Hex 47, Decimal 71
Syntax 0xFE 0x47<column number><row number>
To set the current cursor position, send a command prefix followed by the character 'G' and two values defining the column
and row of the desired cursor position.
Go To Top Left
ASCII 'H', Hex 48, Decimal 72
Syntax 0xFE 0x48
This command resets the current cursor position to the top left of the VFD screen. To execute this command send a
command prefix followed by character 'H'.
Initialize Horizontal Bar Graph
ASCII 'h', Hex 68, Decimal 104
Syntax 0xFE 0x68
Before any horizontal bar graphs may be created, this command must be executed. It only needs to be sent once to initialize
the custom characters for bar graph creation. Due to the fact bar graphs use custom characters, no user custom characters
may be displayed or created while bar graphs are in use.
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Cursor Line
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