LK202-25-R-VPT Matrix Orbital, LK202-25-R-VPT Datasheet - Page 45

• Manufacturer Part Number: LK202-25-R-VPT
• Description: LCD ALPHA/NUM DISPL 20X2 BK RED
• Manufacturer: Matrix Orbital

Specifications of LK202-25-R-VPT

• Display Mode: Transmissive
• Number Of Digits/alpha: 40
• Outline L X W X H: 116.00mm x 37.00mm x 25.73mm
• Viewing Area: 82.20mm L x 18.20mm W
• Display Format: 20 x 2
• Character Size: 5.55mm H x 3.20mm W
• Character Format: 5 x 7 Dots
• Voltage - Supply: 5VDC
• Dot Size: 0.60mm W x 0.65mm H
• Interface: I²C, RS232, TTL
• Operating Temperature: 0°C ~ 50°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Display Type: -
• Backlight: -

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 LK202-25 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 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.
Yes
0
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
0xFE 0x42 [min]
254 66 [min]
254 “B” [min]
LK202-25
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
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