Dukane 8940 RS-232C Communication, RS-232C Communication

51

RS-232C CommunicationRS-232C Communication

Connecting The Cable

Turn off the projector and the computer power supplies.

Connect the CONTROL port of the projector with a RS-232C port of the computer by

a RS-232C cable. Use the cable that fulfills the specification shown in the previous

page.

Turn on the computer power supply and after the computer has started up, turn on

the projector power supply.

1

2

3

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

Communications Setting

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

1SET Change setting to desired value.

2GET Read projector internal setup value.

4INCREMENT Increment setup value by 1.

5DECREMENT Decrement setup value by 1.

6EXECUTE Run a command.

Contents

Main Page Projector User's Manual - Operating Guide Page Contents Part Names BG K F Projector Part Names (continued) Remote Control r 3 4 Setting Up 6 Setting Up Screen DC A B Page 8 Connecting Your Devices Plug-and-Play Capability A R/CR/PR G/Y B/CB/PB H V Examples of connection with a computer Audio out Stereo Mini cable AUDIO IN 2 D A E HI Examples of connection with a VCR/DVD Player H H J VCR/DVD Player Projector HI If using a s-video signal If using a component signal J K 1 Connecting The Power Supply 2 Remote Control 23 Putting Batteries 1 Remote Control (continued) Operating The Remote Control Power ON/OFF Turning On The Power Turning Off The Power 2 3 Operating Selecting An Input Signal Selecting The Aspect Ratio Using The Automatic Adjustment Feature Adjusting The Picture Position 2 4 3 Correcting The Keystone Distortion Adjusting The Volume Muting The Sound Temporarily Blanking The Screen Freezing The Screen Using The Magnify Feature Displaying The Child Window Selecting An Audio Input Multifunctional Settings 21 Multifunctional Settings Using The Menu Functions ex. Turning off the built-in speaker MAIN Menu With the MAIN menu, the items shown in the table below can be PICTURE-1 Menu 24 PICTURE-1 Menu (continued) PICTURE-2 Menu INPUT Menu With the INPUT menu, the items shown in the table below can be 27 INPUT Menu (continued) AUTO Menu With the AUTO menu, the items shown in the table below can be 29 AUTO Menu (continued) SCREEN Menu With the SCREEN menu, the items shown in the table below can be 31 SCREEN Menu (continued) OPTION Menu With the OPTION menu, the items shown in the table below can be 33 OPTION Menu (continued) Lamp WARNING HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE Lamp (continued) 35 Lamp (continued) Replacing The Lamp 4 5 6 Air Filter Caring For The Air Filter 4 Page Troubleshooting roubleshooting Related Messages 39 Related Messages (continued) Regarding The Indicator Lamps 41 Regarding The Indicator Lamps (continued) Either there is no lamp and/or lamp cover, or either of these has not been properly fixed. The cooling fan is not operating. There is a possibility that the interior portion has become heated. Phenomena That May Easily Be Mistaken For Machine Defects 43 Phenomena That May Easily Be Mistaken For Machine Defects (continued) W Warranty And After-Service This specifications are subject to change without notice. 44 arranty And After-Service Specifications TECHNICAL Example Of Computer Signal 46 Initial Set Signals Connection To The Ports o The Ports A ARGB BRGB OUT Connection To The Ports (continued) o The Ports (continued) IVIDEO IN KCOMPONENT (CR/PR, CB/PB, Y) L J I Connection To The Ports (continued) 50 o The Ports (continued) following page. CONTROL port RS-232C Communication 51 RS-232C Communication Connecting The Cable 19200bps, 8N1 1. Protocol 2. Header 3. Command data Page Command Data Chart (This table is