Sharp LC-32G20E, LC-37B20S, LC-37G20E, LC-37B20E, LC-37G20S, LC-32G20S RS-232C port specifications

Page 37

Connecting a PC

RS-232C port specifications

PC Control of the TV

When a programme is set, the TV can be controlled from the PC using the RS-232C terminal. The input signal (PC/video) can be selected, the volume can be adjusted and various other adjustments and settings can be made, enabling automatic programmed playing.

Use an RS-232C cable cross-type (commercially available) for the connections.

NOTE

This operation system should be used by a person who is accustomed to using PCs.

RS-232C serial control cable (cross type)

Communication conditions

Set the RS-232C communications settings on the PC to match the TV’s communications conditions. The TV’s communications settings are as follows:

Baud rate:

9,600 bps

 

 

Data length:

8 bits

 

 

Parity bit:

None

 

 

Stop bit:

1 bit

 

 

Flow control:

None

 

 

Communication procedure

Send the control commands from the PC via the RS- 232C connector.

The TV operates according to the received command and sends a response message to the PC.

Do not send multiple commands at the same time. Wait until the PC receives the OK response before sending the next command.

Make sure to send “A” with the carriage return and confirm that “ERR” returns before operating.

Command format

Eight ASCII codes eCR

C1 C2 C3 C4 P1 P2 P3 P4

Command 4-digits

Parameter 4-digits Return code

Command 4-digits: Command. The text of four characters.

Parameter 4-digits: Parameter 0 – 9, blank, ?

Parameter

Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that four values are input for the parameter.)

When the input parameter is not within an adjustable range, “ERR” returns. (Refer to “Response code format”.)

0

0

0

0

9

 

 

 

 

 

 

 

 

3

0

 

 

 

 

 

 

 

 

 

1

0

0

 

 

 

 

 

 

 

 

 

0

0

5

5

 

 

 

 

When “?” is input for some commands, the present setting value responds.

?

? ? ? ?

Response code format

Normal response

O K

Return code (0DH)

Problem response (communication error or incorrect command)

E R R

Return code (0DH)

After sending the return code (0DH), make sure to send line feed (0AH) as well.

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Contents Español Nederlands Italiano Français Deutsch English Blue Neutral Brown Live Special Note for Users in the U.KContents Precautions when transporting the TV Important Safety PrecautionsIntroduction Dear Sharp customerIntroduction Remote control unitOPC indicator Sleep indicator Standby/On indicator Remote control sensor OPC sensorTV Front view TV Rear viewPreparation Supplied accessoriesAttaching the stand unit Inserting the batteries Using the remote control unitPreparation Country setting Initial installation overviewChannel search setting Quick guideSupplying power to the antenna Before turning on the powerSetting the TV on the wall Bundling the cablesChecking signal strength and channel strength Initial auto installationConfirm the following before turning on the power EChecking signal strengthDaily operation Watching TVEPG Electronic Programme Guide Useful settings for using EPGEPG Overview Basic Operation EDisplay the EPG screen Selecting a programme using EPGSelecting a programme Check programme information Search a programme in a categoryCancelling the timer recording Timer recording using EPGESelecting Watch in the timer setup screen ESelecting Record in the timer setup screenTeletext Using the MHEG5 application UK onlyEBefore connecting Connecting external devicesIntroduction to connections EAfter connecting Hdmi Audio Select Connecting external devicesHdmi connection C R Component connection VIDEO/VIDEO connectionScart connection Controlling devices with Scart using AV LinkSpeaker/amplifier connection EAfter connecting Digital audio output settingConnect an amplifier with external speakers as shown below Optical Audio CableModule Inserting a CA CardMenu EnquiryWhat you can do with Aquos Link Controlling Hdmi devices using Aquos LinkAquos Link Auto power on Aquos Link SetupUsing Genre Info Aquos Link connectionOperating an Aquos Link device Operation without a remote control What is the Menu?Menu operation Common operationsPicture adjustments Basic adjustmentPicture Settings AdvancedNo Signal Off Audio adjustmentAudio Settings Power Save SettingsAuto Installation Sleep TimerProgramme Setup No Operation OffAnalogue setting Analogue channel settingsSort EErase ProgrammeKey Lock Child LockLanguage SubtitleMode Useful Viewing functionsSelecting the WSS picture size automatically Selecting the WSS picture size manuallyREC Picture Size Auto VolumeHdmi Auto View PositionTime Display Display SettingsGame Play Time Programme Title DisplayOther useful features Connecting a PC Connecting a PCDisplaying a PC image on the screen Selecting the picture sizeSelecting input resolution Input SignalAuto Sync Fine SyncRS-232C port specifications RS-232C command list PC compatibility chartAppendix TroubleshootingInformation on the software license for this product Pages 29Reset Download SetupMessage List Receiver ReportOptional accessory SpecificationsOther Countries outside the EU Rating table for Child Lock480.0 Polígono Industrial Can Sant Joan Calle Sena s/n Sharp Corporation