| Controlling the projector by using |
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You can also control the projector by entering the command from a computer via
| Signal assignment of |
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| Interface format |
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1 | 2 |
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| 1. | Communication |
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| Signal | Description |
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| method | 9600 bps, No parity, Data length: 8 bit, | ||||
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| RXD | Receiving data |
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| Stop bit: 1 bit |
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3 | 5 | 2 |
| CTS | Consent to send |
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| 2. | Communication | STX (02h) | Command (3 bite) | ETX (03h) |
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| DSR | Data set ready |
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| One command only can be used in one communication. | ||||||||
6 | 8 | 4 |
| GND | Signal ground |
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5 |
| RTS | Request to send | 3. | Data format | Command shall be composed of alphanumeric | |||||||
| 7 |
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| 6 |
| N.C | No connection | |||||||||
CONTROL |
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| characters of ASCII description. | ||||||||
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| 7 |
| TXD | Sending data |
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| Use only capital letters. | ||||
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| 8 |
| N.C | No connection |
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| 4. | Return value | Acknowledge | ACK (06h) |
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| Not Acknowledge | NAK (15h) |
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Classification | Items/Status |
| Selection | Adjustment | Analog RGB(1) | Digital RGB | Video | Y/PB/PR | Camera |
| Command | Command | Analog RGB(2) | ||||||
Power | On |
| PON | - | Yes | Yes | Yes | Yes | Yes |
| Off (with confirmation message) | POF | - | Yes | Yes | Yes | Yes | Yes | |
| Shut Down (without confirmation message) | PSD | - | Yes | Yes | Yes | Yes | Yes | |
Normal (RS | DOF | - | Yes | Yes | Yes | Yes | Yes | ||
Picture | Contrast |
| VCN | Yes | Yes | Yes | Yes | Yes | Yes |
| Brightness |
| VBR | Yes | Yes | Yes | Yes | Yes | Yes |
| Sharpness |
| VSH | Yes | - | - | Yes | Yes | Yes |
| Camera gain | Increase | CGU | - | - | - | - | - | Yes |
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| Decrease | CGD | - | - | - | - | - | Yes |
| Picture mode | Bright | MVB | - | Yes | Yes | - | - | - |
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| True color | MVP | - | Yes | Yes | - | - | - |
Notes
• When commands are transmitted serially, wait the reply of the projector (acknowledge or not acknowledge) before sending a next command.
• Adjustment commands include "ARG" (increase adjustment value) and "ALF" (decrease adjustment value). For usable items (marked "Yes"), send after the selection command.
• The "Yes" marks in the input source columns indicate that that command can be used.
Continued
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