Status Read Command; Status Read Command; Format; Transfer Example - Canon LV-5220 - Multimedia Projector SVGA Functional Specification

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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