Status Read Command; Format; Transfer Example - Canon 7215 - LV XGA LCD Projector Specification

Basic Serial Functional Specification for LV-5210/7215/7210
7 State Read Command

7.1 Format

7.1.1 A 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)
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
Detail
Response
【Details for Response】
7.3.1 "00" [CR]
Status: POWER ON
The image is displayed normally.
Command (current input mode command issue)
"C" "R"
"CR0" [CR]
Get the projector status
Acceptable "%1" [CR]
"00" = POWER ON
"80" = STANDBY
"40" = Processing Count Down
"20" = Processing Cooling Down
"10" = Power Failure
"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
Unacceptable "?" [CR]
"1" CR
Response
(
a few ms - 1s
(Shows
Computer 1 is selected)
"1" CR
)
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