10 display functions, 1 introduction, 2 display on – Matrix Orbital VK204-25 Legacy User Manual
Page 44
Parameters
Parameter
Length
Description
KDown
25
Key down codes
KUp
25
Key up codes
Description
This command will allow you to reassign the key codes that correspond
to the key presses on the matrix style key pad. The first 25 bytes that are
transmitted will be used for the key down codes and the next 25 bytes
that are transmitted will be used for the key up codes.
Key Down
1
2
3
4
5
1
A
B
C
D
E
2
F
G
H
I
J
3
K
L
M
N
O
4
P
Q
R
S
T
5
U
V
W
X
Y
Key Up
1
2
3
4
5
1
a
b
c
d
e
2
f
g
h
i
j
3
k
l
m
n
o
4
p
q
r
s
t
5
u
v
w
x
y
Remembered
Always
10
Display Functions
10.1
Introduction
The VK204-25 employs software controlled display settings, which allow for control over, clearing the
screen, changing the brightness and contrast or setting timers for turning it on or off. The combination of
these allow you complete software control over your display’s appearance.
10.2
Display On
Syntax
Hexadecimal
0xFE 0x42 [min]
Decimal
254 66 [min]
ASCII
254 “B” [min]
Parameters
Parameter
Length
Description
min
1
Minutes before turning the display
on (0 to 90).
Description
This command turns the backlight on after the [minutes] timer has
expired, with a ninety minute maximum timer. A time of 0 specifies that
the backlight should turn on immediately and stay on. When this
command is sent while the remember function is on, the timer will reset
and begin after power up.
Remembered
Yes
Default
0
Matrix Orbital
VK204-25
40