Canon LV-7225 - LCD Multimedia Projector XGA Functional Specification - Page 29
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Expand Serial Command Functional Specification
9. Status Read Command
9.1. Format
1)
PC issues Commands as below
"CR_COMMAND" [CR]
COMMAND: Character Line
2)
When Projector receives the appropriate Command, it returns a character line as the required
data.
"000_%1" [CR]
%1: Required Data (character line)
3)
When receiving data cannot be decode, the Projector returns "?" [CR]
9.2. Transfer Example
Get Total Dots of Projector by expand Commands
PC → Projector: "CR_TDOTS" [CR]
PC ← Projector: "000_1344" [CR]
9.3. Operation Requirement
Should be always operated
9.4. Image Status Read Command
9.4.1. CR_BRIGHT Command
Command
"CR_BRIGHT" [CR]
Details
Get Brightness value of user control
Response
Unacceptable
9.4.2. CR_CONT Command
Command
"CR_CONT" [CR]
Details
Get Contrast value of user control
Response
Unacceptable
9.4.3. CR_COLOR Command
Command
"CR_COLOR" [CR]
Details
Get Color value of user control
Response
Unacceptable
Acceptable
"000_%a" [CR]
%a
"000" – "063"
"?" [CR]
Acceptable
"000_%a" [CR]
%a
"000" – "063"
"?" [CR]
Acceptable
"000_%a" [CR]
%a
"000" – "063"
"?" [CR]
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