No.51931
RS-232C external control
By connecting a computer to the
The commands to control the projector and the response data against the received commands are explained here.
For further information, please consult the dealer where you purchased your projector or consult the Service Center.
1. Communication Specifications
The communication specifications are as follows:
Baud rate | 9600bps / 19200bps* |
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Data length | 8 bits |
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Parity | None |
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Stop bit | 1 bit |
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Flow control | None |
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* Factory set value. To change the value, refer to “Setting and Adjusting Other Functions (OPTIONS)” on page 54.
2. Command Format
2-1. Command data format (from the computer to the projector)
When sending a control command, use the following data format.
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Header |
| ID |
| SP |
| Command | SP |
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| Parameter |
| CR | ||
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Header: Designates the head of data and the kind of data. |
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| “!” (21h): Control command to the projector |
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| “?” (3Fh): Query to the projector (Asking command) |
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ID: | “1” (fixed) |
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SP: | Designates the delimiter for ID, Command, and Parameter. (20h) |
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CR: | Designates the terminal of the data. (0Dh) |
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* [ | ] is not necessary when Asking command. |
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2-2. Response data format (from the projector to the computer)
Upon executing the received control command, the projector sends back the following response data to the computer.
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Header |
| ID |
| SP |
| Normal Termination Status | SP |
| Parameter |
| CR | |
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Header: Designates the head of data. |
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| “@” (40h): Fetches data from the projector. |
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ID: | “1” (fixed) |
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SP: | Designates the delimiter for ID, Command, and Parameter (20h) |
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Normal Termination Status: “0” (30h) |
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CR: | Designates the terminal of the data (0Dh) |
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2-3 Parameters used for the data format
The following three kinds of parameters are prepared for the control command and response data.
(1) Numeric value
Designates the
Designation allowable range: “8000” to “7FFF”
(2) ON/OFF
Designates the status (ON/OFF) of the projector, such as POWER and HIDE.
Character | Hex. | Meaning |
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“0” | 30 | OFF |
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“1” | 31 | ON |
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(3)Special parameters
Input switching parameters:
Character | Hex. | Meaning |
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“0” | 30 | Y/C |
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“1” | 31 | VIDEO |
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“2” | 32 | COMP |
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“3” | 33 | PC1 |
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“4” | 34 | PC2 |
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“5” | 35 | DVI |
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Operation mode | parameters: |
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Character | Hex. | Meaning |
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“0000” | 30h, 30h, 30h, 30h | |
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“0001” | 30h, 30h, 30h, 31h | |
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“0002” | 30h, 30h, 30h, 32h | |
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“0004” | 30h, 30h, 30h, 34h | Warning mode |
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3. Control command table
The control commands that can be sent from the computer are as follows:
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| Asking |
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| Kind | of data | ||
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| Power | ON | ELSE |
| Numeric |
| Value | ON/OFF |
| Special Data | |
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OPERATE | U0F |
| – |
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| – |
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| ✓ |
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HIDE |
| U00 |
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| ✓ |
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| – | – |
| ✓ |
| – | |
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Right Left rev. |
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| U17 |
| ✓ |
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| – | – |
| ✓ |
| – | |
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Top Bottom inv. |
| U18 |
| ✓ |
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| – | – |
| ✓ |
| – | ||
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Keystone |
| U40 |
| ✓ |
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| – | ✓ |
| – |
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Input |
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| U1A |
| ✓ |
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| – | – |
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| Y/C, VIDEO, PC1, PC2, | |
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| COMP, DVI | |||||
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Operation mode |
| Z03 |
| ✓ |
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| ✓ | – |
| – |
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ESPAÑOLITALIANO FRANÇAISDEUTSHENGLISH