LG Electronics 42LS75A 49LS75A 55LS75A To Control Multiple Products, Connecting the cable, Set

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TO CONTROL MULTIPLE PRODUCTS 57

TO CONTROL MULTIPLE PRODUCTS

Use this method to connect several products to a single PC. You can control several products at a time by connecting them to a single PC.

In the Option menu, the Set ID must be between 1 and 1000 without being duplicated.

Connecting the cable

Connect the RS-232C cable as shown in the picture.

The RS-232C protocol is used for communication between the PC and product. You can turn the product on or off, select an input source or adjust the OSD menu from your PC.

PC			Monitor 1		Monitor 2			Monitor 3			Monitor 4

RS-232C Cable (sold separately)

ENGLISH

RS-232C Configurations

8-Wire Configurations (Standard RS-232C cable)

NOTE

PC

DCD 1

RXD 2

TXD 3

GND 5

DTR 4

DSR 6

RTS 7

CTS 8

D-Sub 9 (Female)

Set

1	DCD
3	TXD

2RXD

5GND

6DSR

4DTR

8	CTS
7	RTS

D-Sub 9 (Female)

••When using three-wire connections (non- standard), an IR daisy chain cannot be used.

NOTE

••When monitors connected via Daisy Chain (that controls multiple monitors) are turned off and on successively, some monitors may

Communication Parameter

Baud Rate: 9600 BPS

Data Length: 8 bit

Parity Bit: None

Stop Bit: 1 bit

Flow Control: None

Communication Code: ASCII code Use a crossed (reverse) cable

not turn on. In this case, you can turn those monitors on by pressing the MONITOR ON button, not the POWER button.

(POWER)

MONITOR ON

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Contents Monitor Signage Table of Contents Licenses Accessories Assembly and PreparationOptional Accessories ScrewsSP-2100 AN-WF500 Power CordButtons Parts and ButtonsConnection Panel Buttons DescriptionConnecting the Speakers Connecting the StandConnecting IR & Light Sensor Using Kensington LockPortrait Layout Connecting the OPS OPS Player Removing the LG Logo Attaching and removing the LG Logo BracketInstalling on a Wall Securing the monitor to a wall optional Volume Up/Down Button Remote ControlA Button Number and Alphabet buttonsUSB Menu Control ExitMaking Connections Connecting to a PCDirect Connection Using the Router Using the Internet External Device ConnectionHD Receiver/DVD/VCR Camcorder/Camera/Gaming Device English Daisy Chain Monitors Using the Multi Display Mode function Using My Media Using the Input ListConnecting USB storage devices Remote Control HomeTips for using USB storage devices To set Device Selection Remote Control Home To use Select Play Remote Control HomeFiles Supported by My Media Supported External Subtitle FormatSupported Video Codec Supported Internal Subtitle FormatSupported Photo File Supported Audio FileTo play video files on display Remote Control Home Viewing VideosTips for Playing Video Files English Viewing music files Remote Control Home Viewing image files Remote Control HomeViewing Photos Listening to MusicSettings SuperSign Contents File ManagerInformation Picture ID Settings Quick Settings Main Menu SettingsPicture Settings Remote Control Settings Picture Picture Adjust Reduction Mpeg Noise NoiseReduction Black Level Real CinemaEnglish Sound Settings Network Settings To Set Your Network Remote Control SettingsNetwork Wi-Fi Connection Tips for Network Setting Tips for Wireless Network Setting General SettingsResets all monitor settings Does the Check signal cable TroubleshootingProblem Action No image is displayedOperation does not work normally Problem Action Screen color is abnormal Problem ActionAfter-image appears on the product Audio function does not work42LS75A Product SpecificationsApplicable only for models that support the speakers 49LS75A Mm x 637.4 mm x 31.7 mm / 15.6 kg 55LS75A Mm x 713.7 mm x 31.7 mm / 20.7 kg 135.1 Product Dimensions49LS75A 1230.4 28.8 31.7 701 776 713 135.5 727.4 415.2 400 150 150.6 Hdmiops / DVI / Displayport PC Support Mode DTV modeHorizontal Vertical Resolution Frequency Frequency Hz KHz Code Hex Function Remarks IR CodesSome key codes are not supported depending on the model RS-232C Configurations Connecting the cableTo Control Multiple Products Communication ParameterHexadecimal Command Reference ListEnglish Transmission/Reception Protocol TransmissionAcknowledgement Select Input Command x b Power Command k a Energy Saving Command j qAspect Ratio Command k c Contrast Command k gTransmission Kt Set ID DataCr Volume Control Command k f Adjusts the playback volume Sound mode Command d y Selects a sound modeDay and Time 2 hour/minute/second are set On Timer Input Command f u Auto Power Off 4 Hours Command m nLanguage Command f i Sets the OSD language Reset Command f k Current temperature Command d nKey Command m c White Balance Green Gain Command j n White balance red gain Command j mBacklight Command m g Check Tile Mode Command d z Screen Off Command k d Tile ID Command dTile Mode Command d d Natural Mode in Tile mode Command d j DPM Select Command f j Power On Delay Command f hIR Operation Command t p Status Command s Local Key Operation Command t oCheck Screen Command t z Sets Check Screen Daylight Saving Time Command s dCopyright notices are available for download