Christie LW600 User Manual Page 100

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Status Read Commands
10-2 LW600-LX900-LX1000 RS232 Codes-Expanded Technical Reference Information
020-000046-02 Rev 2 (07-2011)
10.2 Functional Execution Command with address
10.2.1 Format
The PC issues a command in the format below:
The address is a 3-digit number (”001” – “999”)
Commands with “FFF” as the address are valid to all projectors.
Command: string (See Basic and Expanded Serial Commands)
The only projector with the appropriate address decodes the received command, and when it is ready
to receive the next command, it returns one of these two responses:
[ACK] [CR]: When receiving Functional Execution Command (0x06, 0x0D)
“?” [CR]: When the received data cannot be decoded
However, when the address is “FFF”, the projector executes the function but does not return a
response.
10.2.2 Command pipelining
When the projector needs command pipelining, the operation is the same as the remote control as
below:
1) Sending-side system issues commands every 100ms
2) When receiving an applicable command, the function is executed repeatedly for 120ms.
3) When receiving the same command in a row within 120ms, the function is repeatedly executed for
another 120ms from the moment of the second command reception.
4) When there is no incoming command after 120ms, the execution of pipelining is stopped.
5) When the projector receives other command within 120ms, the execution of pipelining is stopped.
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