Cable Connection
Communication Protocol
Baud rate: | 9600 bps |
Data length: | 8 bits |
Parity: | No parity |
Stop bit: | One bit |
X on/off: | None |
Communications | Full duplex |
procedure: |
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If the CPU of the LCD projector has received the data correctly, it returns an ACK(C5H). If the received data is not correct, the CPU returns a NAK(CAH), then the following status:
Receiving success: | C5 |
Receiving failure: | CA Err |
Err 01: | Command Error (command not supported) |
Err 02: | Checksum Error |
Err 03: | Busy (command not acceptable) |
Err 04: | Parameter Error ( parameter data abnormal) |
NOTE: If failing in
CA Err 1 | PC Control Connector | To RxD of PC |
♣
Err 1 8X (Apply the corresponding bit.)
Bit 0: Either filter panel or lamp cover is not | 8 | 7 | 6 | |
attached correctly | ||||
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| |||
Bit 1: Fan stoppage | 5 | 4 | 3 | |
Bit 2: Overheated | ||||
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Bit 3: Lamp lighting failure |
| 2 | 1 |
To GND of PC
◀
To TxD of PC
♣
E – 37
