VK202-25-USB Matrix Orbital, VK202-25-USB Datasheet - Page 41
VK202-25-USB
Manufacturer Part Number
VK202-25-USB
Description
Vacuum Fluorescent Displays (VFD) Vacuum Florescent Blue/Green Text
Manufacturer
Matrix Orbital
Datasheet
1.VK202-25-USB.pdf
(57 pages)
Specifications of VK202-25-USB
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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9.9 Assign Keypad Codes
10 Display Functions
10.1 Introduction
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
Matrix Orbital
The VK202-25-USB employs software controlled display settings, which allow for control over, clearing
Description
Remembered
Syntax
Parameters
Description
Remembered
Syntax
Parameters
This command turns auto repeat mode off. See Set Auto Repeat Mode.
No
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.
Always
Hexadecimal
Decimal
Parameter
KDown
KUp
1
2
3
4
5
Hexadecimal
Decimal
ASCII
Parameter
min
A
K
U
1
F
P
Key Down
G
Q
V
B
L
2
W
M
H
C
R
3
VK202-25-USB
0xFE 0xD5 [KDown] [KUp]
254 213 [KDown] [KUp]
0xFE 0x42 [min]
254 66 [min]
254 “B” [min]
Length
D
N
X
Length
S
4
I
25
25
1
O
Y
E
T
5
J
1
2
3
4
5
Description
Key down codes
Key up codes
Description
Minutes before turning the display
on (0 to 90).
1
k
p
u
a
f
Key Up
2
b
g
q
v
l
m
w
3
h
c
r
4
d
n
x
s
i
5
e
o
y
j
t
37
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