Baud rate: | 9600 bps |
Data length: | 8 bits |
Parity: | No parity |
Stop bit: | One bit |
X on/off: | None |
Communications | Full duplex |
procedure: |
|
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) |
85
Err 04: | Parameter Error ( parameter data abnormal) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
| PC Control Connector |
| To RxD of PC | © | ||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
NOTE: If failing in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| 8 |
|
| 7 |
|
|
| 6 |
|
|
|
|
| |||||||||
CA Err 1 |
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Err 1 8X (Apply the corresponding bit.) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
5 |
|
|
|
|
|
|
| 4 |
|
|
|
|
|
|
|
|
| 3 |
|
| |||||
Bit 0: Either filter panel or lamp cover is not attached correctly |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
Bit 1: Fan stoppage |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Bit 2: Overheated |
|
|
| 2 |
|
|
|
| 1 |
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Bit 3: Lamp lighting failure |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
| ß | To GND of PC |
|
|
|
|
|
|
|
|
|
|
| To TxD of PC |
| © | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
44 | SPECIFICATIONS | 86 |
|
|