Dukane 28A8755A, 28A8049A user manual RS-232C Communication, Protocol, Header, Command data

Page 58

RS-232C COMMUNICATION

(1)Turn off the projector and computer power supplies and connect with the RS-232C cable.

(2)Turn on the computer power supply and after the computer has started up, turn on the projector power supply.

 

Projector

Computer

RS-232C jack

Control jack

2

2

RD

D-sub 9-pin

D-sub 15-pin shrink jack

SELOGNDRTS109876543

9876543

RIDGNDTDTSSRTR

162738495

 

RDT423

 

 

 

 

15

 

 

 

Communications setting

19200bps, 8N1

1 Protocol

Consist of header (7 bytes) + command data (6 bytes).

2 Header

BE + EF + 03 + 06 + 00 + CRC_low + CRC_high

CRC_low : Lower byte of CRC flag for command data.

CRC_high : Upper byte of CRC flag for command data.

3 Command data

Command data chart

byte_0

 

byte_1

byte_2

 

byte_3

byte_4

 

byte_5

 

 

 

 

 

 

 

 

 

Action

 

Type

Setting code

low

 

high

low

 

high

low

 

high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Action (byte_0 - 1)

Action

Classification

 

Content

 

 

 

 

1

SET

 

Change setting to desired value.

 

 

 

 

2

GET

 

Read projector internal setup value.

 

 

 

 

4

INCREMENT

 

Increment setup value by 1.

 

 

 

 

5

DECREMENT

 

Decrement setup value by 1.

 

 

 

 

6

EXECUTE

 

Run a command.

 

 

 

 

TECHNICAL

5

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Contents 28A8049A/8755 Page Page Page Page Page Page Page Page Page Contents Power cord Projector FeaturesCable Connect your devices to the projector Part Names ProjectorRemote Control Setting UP the Projector Adjusting the Projectors Elevator FeetAdjusting the Screen Size and Projection Distance If 43 aspect ratioConnecting Your Devices Ports and Cables Function Projector Port Connection CablesConnecting Your Devices Connecting to a ComputerConnecting to a DVD Player Connecting to a VCRConnecting to a Display Monitor Putting batteries into the remote control unit Using the Remote ControlOperating the remote control Turning on the Power Selecting an Input Signal Turning OFF the Power Press Buttons to adjust Volume Adjusting the VolumePress the Volume button Temporarily Muting the SoundUse Buttons to adjust Position Adjusting the PositionPress the Position button Automatic Adjustment for Video Input Using the Automatic Adjustment FeatureAutomatic Adjustment for RGB Input Press the Auto buttonCorrecting Keystone Distortions Press the Keystone buttonUsing the Magnify Feature Freezing the ScreenSelecting the Aspect Ratio Signal SearchingTemporarily Blanking the Screen Select an item using Buttons, then press Or Enter button Using the Menu FunctionsSelect a menu using Buttons Then press Or Enter button Press Buttons to adjust the levelAvailable Functions Remote Control Operation Operating the PC ScreenHigh Voltage High Temperature High Pressure LampReplacing the lamp Replace the lamp cover, and tightenAIR Filter Caring for the air filterReplacing the air filter Caring for the inside of the projector Caring for the cabinet and remote control transmitterOther Care Caring for the lensRegulatory Notices Liquid Crystal Projector Page For Technical see the end of this manual Main Menu Multifunctional SettingsMain Menu PICTURE1 Menu Picture 1 MenuPicture 2 Menu PICTURE2 MenuAuto Input MenuInput Menu VideoScreen Menu Screen MenuBlank Option Menu VolumeOption Menu Auto OFFRelated Messages Regarding the Indicator Lamps Power Lamp TempPhenomenon Phenomena That May Easily Be Mistaken for Machine DefectsItems to be confirmed Dimension Diagram SpecificationsSpecification Warranty and AFTER-SERVICE Signal Connector PIN Assignment TechnicalExample of Computer Signal Resolution FH kHz FV Hz Rating Signal mode Display modeInitial SET Signals USB Mouse Connection to the Mouse ControlADB Mouse PS/2 MouseProtocol Command dataRS-232C Communication HeaderUsing the projector default settings Reset Command Requesting projector status Get commandChanging the projector settings Set command Increasing the projector setting value Increment commandCommand data chart C4 D3Be EF BA D2 Be EF FD D3 Be EF Ntsc PAL Legal Information Audio Visual Products