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Display Control
The command and data sequence for all display control features follows the
following structure:
Dimming
<EOT>x
Dimming Feature
The dimming command sets the brightness level for the characters displayed.
Where x is the option byte:
x
USB Note: Both bytes of the command must be sent in one write to the port,
splitting the bytes between writes will not work.
DIMMING LEVEL
100 %
60 %
40 %
20 %
Back Spacing Feature
Back Spacing
When the backspace command is executed, the write-in position is shifted to the
left one position, erasing the character, if any, in that position. When the write-in
position is in the first (read from left to right) position of the first row, the write-in
moves to the last position of the second row. When the write-in is in the first
position of the second row, the write-in moves to the last position of the first row.
UTC RETAIL
04 DEC
Dim
Low
=
20h
40h
ASC II
-
'
@
Space
<BS>
08 DEC
PD1200 Pole Display Programming Guide
04 HEX
Medium
High
60h
FFh
DEC
255
96
64
32
08 HEX
HEX
FF
60
40
20
9
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