Matrix Orbital GLC24064 - Manual (Page 39)

Command Syntax Default Notes
Erase file FE B0 [type] [ref]
254 173 [type] [ref] n/a Erases file in
memory. Type =
1 is font, type = 5
is bitmap. [ref] is
reference number.
Purge memory FE 21 59 21
254 33 89 33 n/a Removes all
fonts, font met-
rics, bitmaps and
settings
from
memory.
Upload bitmap FE ^E [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.
7.7 Miscellaneous Commands
Table 21: 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 [contrast] 254 145
[contrast] 128 Same as "set con-
trast" but saves
[contrast] as de-
fault.
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