Canon LV-5220 Basic_Serial_Command_Codes - Page 17
State Read Command, 1. Format, 2. Transfer Example, 3. Status Read Command, Details for Response}
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Basic Serial Command Functional Specification Page 16 of 19 7. State Read Command 7.1. Format 7.1.1. PC issues commands fin format as below. "CR" COMMAND [CR] Command: 1 character (See Status Read Command Table) 7.1.2. When a Projector receives the appropriate command, it returns a character line as the required data. Required Data [CR] Required Data: A character line (See Basic Status Read Command Table) 7.1.3. When receiving data cannot be decode, the Projector returns, "?" [CR]. 7.2. Transfer Example Get input mode for the Projector by basic commands. Command (current input mode command issue) PC → Projector "C" "R" "1" CR Projector → PC "1" CR Response (A few ms - 1s) (Shows Computer 1 is selected) 7.3. Status Read Command Command "CR0" [CR] Detail Get the Projector status Acceptable "%1" [CR] Response "00" = Power On "80" = Standby "40" = Processing Count down "20" = Processing Cooling down "10" = Abnormal Power %1 "28" = Processing cooling down due to abnormal temperature "08" = Abnormal Temperature "88" = Normal after recovering abnormal temperature "02" = Cannot accept RS232C command "24" = Processing Power Save・Cooling Down "04" = Power Save Unacceptable "?" [CR] {Details for Response} 7.3.1. "00" [CR] Status: Power On The image is displayed normally. 7.3.2. "80" [CR] Status: Standby When the status is Standby, Status Read Commands are always acceptable, but Functional Execution Commands are not acceptable except Power On Command.