Canon LV-5220 - Multimedia Projector SVGA Spécification fonctionnelle - Page 17
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Basic Serial Command Functional Specification
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.
PC → Projector
Projector → PC
7.3. Status Read Command
Command
"CR0" [CR]
Detail
Get the Projector status
Acceptable
Response
Unacceptable
{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 (current input mode command issue)
"C"
"R"
"%1" [CR]
"00" = Power On
"80" = Standby
"40" = Processing Count down
"20" = Processing Cooling down
"10" = Abnormal Power
"28" = Processing cooling down due to abnormal temperature
%1
"08" = Abnormal Temperature
"88" = Normal after recovering abnormal temperature
"02" = Cannot accept RS232C command
"24" = Processing Power Save・Cooling Down
"04" = Power Save
"?" [CR]
"1"
CR
Response
(A few ms - 1s)
(Shows Computer 1 is selected)
Command.
Page 16 of 19
"1"
CR