LG 26LV2500 User Manual

99

EXTERNAL CONTROL DEVICE SETUP

20. ISM Method (Command: j p) ( 

 

To avoid having a fixed image remain on screen.
Transmission [ j ][p][ ][Set ID][ ][Data][Cr]
Data  02: Orbiter
        04: White Wash
        08: Normal
        20: Color Wash
Acknowledgement [p][ ][Set ID][ ][OK/NG][Data][x]

To control the energy saving function.
Transmission [ j ][q][ ][Set ID][ ][Data][Cr]
Data  00: off
        01: Minimum
        02: Medium
        03: Maximum
        04: Auto/Intelligent sensor (depending on model)  
        05: Screen off
Acknowledgement [q][ ][Set ID][ ][OK/NG][Data][x]

To  adjust  picture  position  and  minimize  image 
shaking automatically. Auto configuration only works 
in RGB-PC mode.
Transmission [ j ][u][ ][Set ID][ ][Data][Cr]
Data 01: To set
Acknowledgement [u][ ][Set ID][ ][OK/NG][Data][x]

To tune channel to following physical/major/minor 
number.
Transmission [m][a][ ][Set ID][ ][Data00][ ][Data01]

[ ][Data02][ ][Data03][ ][Data04][ ][Data05][Cr]
Digital channels have a Physical, Major, and Minor 
channel number. The Physical number is the actual 
digital channel number, the Major is the number that 
the channel should be mapped to, and the Minor is 
the sub-channel. Since the DTV tuner automatically 
maps the channel to the Major number, the Physical 
number is not required when sending a command.
Data 00: Physical Channel Number
Analog air: 01~69, Analog cable: 01~135
DTV air: 01~69
Data 01 & 02: Major Channel Number
Data 01: High byte 

Data 02: Low byte

Two  bytes  are  available  for  the  Major  and  Minor, 
normally only the second byte is used.
Data 03 & 04: Minor Channel Number
Not needed for NTSC.

The table above lists the binary code which must 
be converted to Hexadecimal before sending. For 
example:
The binary code to tune the sub source to an NTSC 
cable channel is “1000 0001”, which translates to 
“81” in Hex.

*  7th bit : For which source do you want to change the 

channel.

*  6th bit: Use a two part or one part channel. Most 

cases just use 0 since it’s ignored when using NTSC.

*  5th bit: Use 0 with NTSC since it can only use the 

physical channel number. Normally use 1 for DTV 
since most times it doesn’t matter what the physical 
number is. 

* 4th bit: Set to 0.
* 3-0 bits: Choose signal type.

* Tune Command Examples:
1. Tune to the analog (NTSC) cable channel 35.
Data 00 = Physical of 35 = 23
Data 01 & 02 = No Major = 00 00
Data 03 & 04 = No Minor = 00 00
Data 05 = 0000 0001 in binary = 01
Total = ma 00 23 00 00 00 00 01

2. Tune to the digital (DTV) local channel 30-3.
Data 00 = Don’t know Physical = 00
Data 01 & 02 = Major is 30 = 00 1E
Data 03 & 04 = Minor is 3 = 00 03
Data 05 = 0010 0010 in binary = 22
Total = ma 00 00 00 1E 00 03 22

To add and delete the channels.
Transmission [m][b][ ][Set ID][ ][Data][Cr]
Data 00: Channel Delete Data 01: Channel Add
Acknowledgement [b][ ][Set ID][ ][OK/NG][Data][x]

To send IR remote key code.
Transmission [m][c][ ][Set ID][ ][Data][Cr]

Acknowledgement [c][ ][Set ID][ ][OK/NG][Data][x]
When TV is in the standby mode, TV will turn on by 
POWER button of remote control only.

To adjust screen backlight.
Transmission [m][g][ ][Set ID][ ][Data][Cr]
Data Min:00 ~ Max:64 (*transmit by Hexadecimal 
code)
*Refer to “Real data mapping”.
Acknowledgement [g][ ][Set ID][ ][OK/NG][Data][x]