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LC-X7 Basic Serial Command Functional Specifications

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6 Functional Execution Command

6.1 Format

1) PC issues a command in the format below:

“C” Command [CR]

Command: two characters (Refer to Functional Execution Command Table)

2) A projector decodes the received data and returns the result after getting ready to receive

another command.

[ACK] [CR]: (0x06, 0x0D) When the projector has received Functional Execution

Commands.

“?” [CR]: When the received data cannot be decoded

6.2 Command Pipelining

Functions which need command pipelining follow the rule below.

- Sender system issues any command every 100ms.

- When receiving the applicable command, the function is executed for 120ms from the

moment.

- When receiving the same command in succession within 120ms, the function is executed

for another 120ms from the moment.

- When there is no incoming command after 120ms, the execution of pipelining is stopped.

- When the projector receives incoming other command within 120ms, the execution of

pipelining is stopped.

6.3 Transfer Example

Changing input to INPUT3 with Basic Command.

Command

PC → Projector “C” “0” “7” CR

Projector → PC ACK CR

Processing

(a few ms – 1s)

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