Command
Syntax
Notes
Define custom character
FE 4E [c][8 bytes]
254 78 [c][8 bytes]
254 “N” [c][8 bytes]
Defines one of 8 custom “user” char-
acters. Character number is [c] be-
tween 0x00 and 0x07.
Draw vertical bar graph
FE 3D [col][length]
254 61 [col][length]
254 “=”[col][length]
Draws a vertical bar graph at column
[col] of length [length]. Length is
measured in pixels (0x00 to 0x14).
User must first use the “v” or “s”
command to initialize characters.
Draw horizontal bar graph
FE 7C [c][r][d][length]
254 124 [c][r][d][length]
254 “|” [c][r][d][length]
Draws a horizontal bar graph start-
ing at column [c] on row [r] with
direction [d](0 is right, 1 is left) of
length [length]. Length is measured
in pixels (0x00 to 0x64 if starting
in column 1). User must first use
the “h” command to initialize char-
acters.
8.7 Fan and GPO Commands
Table 32: Fan and GPO Commands
Command
Syntax
Default
Notes
General purpose output
off
FE 56
254 86
254 “V”
Off
This
command
turns OFF any
of the General
Purpose Outputs.
[gpo#] is 1 to 6.
General purpose output
on
FE 57
254 87
254 “W”
Off
This
command
turns ON any
of the General
Purpose Outputs.
[gpo#] is 1 to 6.
PWM Value
FE C0
254 192
0
This
command
sets one of the
high power GPOs
(GPOs 1-4) into
PWM mode.
Return fan RPM
FE C1
254 193
n/a
This
command
will
return
a
packet to the host
with the fan RPM
contained in it.
Matrix Orbital
LK204-24-USB
37
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