Canon LV-8320 - Manual (Page 22)

LV-8320 Basic Serial Command Specifications
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7．Status Read Command
7.1. Format
7.1.1. PC issues commands in format as below;
“CR” Command [CR]
Command：1 character(See Basic 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 the received data cannot be decoded, the projector returns “?” [CR].
7.2. Transfer Example
Get input mode for projector with basic commands
Command(issues a command of getting current input mode)
PC → Projector “C” “R” “1” “CR”
Projector → PC “1” “CR”
Processing Response
(A few ms∼1s)
( Shows Computer 1 is selected)
7.3. Operation Requirements
When Eco mode is selected in Standby mode of Setting menu and projector is in Standby, Status
Read Commands are invalid.
7.4. Status Read Command
Command “CR0” [CR]
Detail Get the projector’s operating status
Response
Acceptable “%1” [CR]
%1
”00” = Power ON
“80” = Standby
“40” = Countdown in process
“20” = Cooling Down in process
“10” = Power Failure
“28” = Cooling Down in process due to Temperature Anomaly
“88” = Coming back after Temperature Anomaly
“24” = Power Save/Cooling Down in process
“04” = Power Save
“21” = Cooling Down is in process after Power off due to lamp
failure
“81” = Standby after Cooling Down due to lamp failure
Unacceptable “?” [CR]