Using the Serial Terminals
1. Basic Format
Transmission from the computer begins with STX, then the command, parameter and ETX are sent in this order. Add parameters according to the details of control.
Basic control command (without parameter) |
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| Start | Command | End |
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| (ETX) |
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| 1 byte | 3 bytes | 1 byte |
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Basic control command (with parameters) |
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| Start | Command | Separator | Parameters | End | |
| (STX) |
| (colon) |
| (ETX) | |
| 1 byte | 3 bytes | 1 byte | Undefined length | 1 byte | |
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Response (Callback) of the basic control command
In the period when the command can be accepted
Differs according to each command.
In the period when commands cannot be accepted or the command does not exist
| Hexadecimal | 02h |
| 45h | 52h | 34h | 30h | 31h | 03h |
| Character |
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| E | R | 4 | 0 | 1 |
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In case of the parameter error |
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| Hexadecimal | 02h |
| 45h | 52h | 34h | 30h | 32h | 03h |
| Character |
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| E | R | 4 | 0 | 2 |
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Notes:
•When sending several commands, be sure to wait for a response from the projector, and send the next command after 0.5 seconds or more pass.
•It might take time by the time the response returns because the command is processed in the projector. Set the
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