Technical Information
Serial terminal
The serial connector which is on the connector panel of the projector conforms to the
Connection
COMPUTER1 | Serial terminal (male) |
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Pin assignments and signal names
Pin No. | Signal name | Contents | |
A |
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B | TXD | Transmitted data | |
C | RXD | Received data | |
D |
| NC | |
E | GND | Earth | |
F |
| NC | |
G | RTS | Connected internally | |
H | CTS | ||
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I |
| NC |
Communication settings
Signal level | Character length | 8 bits | |
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Sync. method | Asynchronous | Stop bit | 1 bit |
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Baud rate | 9 600 bps | X parameter | None |
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Parity | None | S parameter | None |
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Basic format
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| The data streaming from the computer will |
| STX | Command | : |
| Parameter | ETX |
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| start with STX, and proceed to Command, |
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| Parameter and end with ETX. You can | |||
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| 3 bytes | 1 byte - | ||||||||||||
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| (03h) | add the required parameter. | ||||||||
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| 4 bytes | ||||||||
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The projector can not receive any command for 10 seconds after the lamp is switched on. Wait 10 seconds before sending the command.
If sending multiple commands, check that a response has been received from the projector for one command before sending the next command.
When a command which does not require parameters to be sent, the colon (:) is not required.
If an incorrect command is sent from the personal computer, the ER401 command will be sent from the projector to the personal computer.
Appendix
