Ircodes - LG DU-30LZ30 Owner's Manual

39
IR Codes
G
Connect your wired
remote
control
to
the Remote Control
port
on
the TV.
G
Output
waveform
Single pulse, modulated with 37.917KHz signal at 455KHz
G
Configuration of frame
G
Repeat code
G
Lead code
?
1st frame
Low
custom
code
Lead
code
High
custom
code
Data code Data code
TC
Tf
T1
C0
Carrier
frequency
FCAR
=
1/TC
=
fOSC/12
Duty
ratio
=
T1/TC
=
1/3
?
Repeat
frame
C1C2C3C4C5C6C7C0C1C2C3C4C5C6C7D0D1D2D3D4D5D6D7D0D1D2D3D4D5D6D7
Repeat code
9ms 4.5
ms
0.55
ms
9ms
2.25
ms
G
Bit description
G
Frame interval
:
Tf
The waveform is transmitted
as
long
as a
key is depressed.
?
Bit "0"
Tf Tf
Tf=108ms @455KHz
0.56
ms
0.56
ms
1.12
ms
?
Bit "1"
2.24
ms
How
to Connect
How
to
Connect
Remote Control IR Codes
Remote Control IR Codes
IR Codes
IR Codes