Christie DHD800 Serial Communications Protocol-Extended

PDG-DHT8000L Expand Serial Command Functional Specifications10.2.2. When the command pipelining is neededWhen it needs command pipelining, the operation is the same as the remote control asbelow:1) Sending-side system issues commands every 100ms2) When receiving an applicable command, the function is executed repeatedly for120ms.3) When receiving the same command in a row within 120ms, the function is repeatedlyexecuted for another 120ms from the moment of the second command reception.4) When there is no incoming command after 120ms, the execution of pipelining isstopped.5) When the projector receives other command within 120ms, the execution of pipeliningis stopped.10.3. Status Read Command with Address10.3.1. Format1) PC issues a command in the format as below:“A” Address “CR” Command [CR]or“A” Address “CR_” Command [CR]Address: 3-digit number (“001” – “999”)Command: string (Refer to Basic and Expand Serial Commands)2) The only projectors that have the address matching with the one in the received datadecode the command, and it returns required data.Required Data [CR]Required Data: String (Refer to Basic Status Read Commands)3) When the received data cannot be decoded, it returns “? “ [CR]DHD800 RS232 Codes-Expand Technical Ref.020-000582-01 Rev. 1 (11-2012)101/101