LG DU-37LZ55 Owners Manual - Page 46
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IRCodes I_ Connect your wired remote control to the Remote Control port on the TV. I_ Output waveform Single pulse, modulated with 37.917KHz signal at 455KHz Tc __J--I__I--[__ I-°-t Tt Carrier frequency FCAR = 1/Tc = fosc/12 Duty ratio = T1/Tc = 1/3 I_ Configuration of frame • 1st frame I Lead _]e Low custom code COC1 C2C3C4C5C6C7 High custom code Data code CO C1 C2 C3 C4 C5 C6 C7 DO D1 D2 D3 D4 D5 D6 D7 • Repeat frame __1 Tf _ Repeat code I_ Lead code __[ I_ 9 ms I I _1 _ 4.5 ms I I I_ Repeat code __[ 9ms 2.25 ms Data code Bit description mlmlm • Bit "0" o.__.._I I-_ 1.12 ms m] m] • Bit "1" I-_ I1_ Frame interval : Tf The waveform is transmitted as long as a key is depressed. Tf mJ i Tf _1 TM I_ i Tf=108ms @455KHz 46 2.24 ms Yl
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IRCodes
I_
Connect your
wired
remote
control to the Remote
Control
port on the TV.
I_
Output
waveform
Single pulse,
modulated
with
37.917KHz
signal
at 455KHz
Tc
__J--I__I--[__
I-°-tTt
I_
Configuration
of frame
• 1st frame
I
Lead
Low
custom
code
_]e
COC1
C2C3C4C5C6C7
• Repeat
frame
__1
_
Repeat
code
I_
Lead code
__[
I_
9 ms
Carrier
frequency
FCAR= 1/Tc
= fosc/12
Duty
ratio = T1/Tc
= 1/3
High
custom
code
CO C1
C2 C3 C4 C5 C6 C7
Tf
I_
Repeat
code
__[
9ms
Data code
DO D1 D2 D3 D4
D5 D6 D7
I
I
_1 _
4.5 ms
I
I
Data code
2.25 ms
Bit description
• Bit "0"
mlmlm
o._.._
_I
I-_
1.12 ms
• Bit "1"
m] m]
I-_
2.24 ms
I1_ Frame
interval
: Tf
The waveform
is transmitted
as long as a key is depressed.
Tf
_1
TM
mJ
i
I_ i
Tf
Tf=108ms
@455KHz
Yl
46