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LC-W4 Basic Serial Command Functional Specifications

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8.2 Functional Execution Command with address

8.2.1 Format

1) PC issues a command in format as below:

“A” Address “C” Command [CR]

“C” Address “CFƑ” Command “Ƒ” Parameter [CR]

Address: 3-digit number (”001”-”999”)

Commands with “FFF” as the address are available for all projectors.

Command: Character line (Refer to Basic Commands or Expand Commands)

2) The only projector with the appropriate address decodes the received command, and when

it is ready to receive next commands, it returns the response.

[ACK] [CR]: When receiving Functional Execution Command (0x06, 0x0D)

“?” [CR]:

When the received data cannot be decoded

However, when address is “FFF”, it executes the function but does not return the response.

8.2.2 When the command pipelining is needed

When it needs the command pipelining, the operation is the same as the remote control.

1) System: PC issues commands every 100ms

2) When receiving the appropriate command, the projector executes it continuously for 120ms.

3) When receiving the same command within 120ms, the projector executes it continuously for

another 120ms from the moment.

4) When there is no command after 120ms, the execution of pipelining is stopped.

5) When receiving other incoming commands in 120ms, the execution of pipelining is stopped.

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Eiki LC-W4 User Manual Page 24