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48
EXTERNAL CONTROL DEVICE SETUP
IR OUT Using Guide
Suitable / Not Recommend remote-controller data format
Item
Formats
Suitable data format
NEC, RC5, Toshiba
Not recommend data format
Continuous data format (short burst/gap signal)
IR Receiver specifications
Carrier frequency
38 KHz
Peak Wavelength
940 nm
Minimum burst length
16 cycles (420 µs)
Minimum gap time is required of
21 cycles (550 µs)
Data word length
Max. 100 ms
Minimum gap time in the data stream is needed of
30 ms
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
High Level Out Pulse Width
T
WH
Burst Wave = 600 µs
Period = 1.2 ms
400
-
800
µs
Low Level Out Pulse Width
T
WL
400
-
800
µs
CAUTION
y
If not use the remote-controller with data formats recommended, IR output signals will be suppressed automatically by IR
receiver.
y
In this case, LG does not guarantee IR working function.
y
To make sure of this matter, here are two methods as below.
-
Use the remote-controller with suitable data formats.
-
Use the IR dongle receiver of the set-top box.
