VK202-25-E Matrix Orbital, VK202-25-E Datasheet - Page 43

• Manufacturer Part Number: VK202-25-E
• Description: VFD ALPHA/NUM DISPLAY 20X2
• Manufacturer: Matrix Orbital
• Series: VK202-25r

Specifications of VK202-25-E

• Outline L X W X H: 116.00mm x 37.00mm x 29.48mm
• Viewing Area: 89.75mm L x 11.50mm W
• Display Format: 20 x 2
• Display Type: Character
• Format: 5 x 7 Dots
• Voltage - Supply: *
• Character Size: 4.70mm H x 2.40mm W
• Interface: Serial
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Dots: -

10 Display Functions
10.1 Introduction
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 employs software controlled display settings, which allow for control over, clearing the
Parameters
Description
Remembered
Syntax
Parameters
Description
Remembered
Default
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
This command turns the display on after the [minutes] timer has
expired, with a one-hundred minute maximum timer. A time of 0
specifies that the display 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.
Yes
0
Parameter
KDown
KUp
Hexadecimal
Decimal
ASCII
Parameter
min
1
2
3
4
5
A
K
U
1
F
P
Key Down
G
Q
V
B
L
2
M
W
C
H
R
3
0xFE 0x42 [min]
254 66 [min]
254 “B” [min]
VK202-25
Length
D
N
X
Length
S
4
I
16
16
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 100).
1
a
k
p
u
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
39