Matrix Orbital GLK12232-25-WBL - Manual (Page 35)

Command Syntax Default Notes
Upload bitmap FE 6E [ref] [size] [data]
254 94[ref] [size] [data]
254 ’^’ [ref] [size] [data]
n/a Uploads a bitmap
to the memory of
the display.
Upload font FE 24 [ref] [size] [data]
254 36 [ref] [size] [data]
254 ’$’ [ref] [size] [data]
n/a Uploads a font to
the memory of the
display.
8.7 Miscellaneous Commands
Table 19: Miscellaneous Commands
Command Syntax Default Notes
Clear display FE 58
254 88
254 ’X’ n/a Clears screen of
text and graphics,
places text cursor
at top left.
Set contrast FE 50 [contrast] 254 80
[contrast] 254 ’P’ [con-
trast] 128 Sets display con-
trast.
Compen-
sates for viewing
angle.
Contrast
is a value between
0 and 255 (hex 0
to FF). Larger =
darker.
Set contrast and
save FE 91 [con-
trast]
254 145
[contrast] 128.
Set contrast and save FE 91 [contrast] 254 145
[contrast]
128 Same as "Set con-
trast" but saves
[contrast] as de-
fault.
Backlight on FE 42 [minutes]
254 66 [minutes] 254 ’B’
[minutes] on Backlight will
stay on for [min-
utes]. If [minutes]
=
0 backlight
will stay on
permanently.
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