State Read Command; Format; Transfer Example; Status Read Command - Canon LV-X4 Technical Specifications

SERIAL FUNCTIONAL SPECIFICATION

8. Status Read Command

8.1. Format

1. A PC issues commands fin format as below.
"CR" COMMAND [CR]
COMMAND: 1 character (See Status Read Command Table)
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 Status Read Command Table)
3. When receiving data cannot be decode, the projector returns, "?" [CR].

8.2. Transfer Example

Get input mode for the projector by commands.
PC → Projector
Projector → PC
8.3. Status Read Command
Command "CR0" [CR]
Detail Get the projector status.
Acceptable
Response
Unacceptable
{Response Detail}
8.3.1. "00" [CR]
Status: Power ON
The image is displayed normally.
Item Status Read Command
Command (current input mode command issue)
"C" "R" "1" CR
"%1" [CR]
"00" = Power ON
"80" = Standby
"40" = Processing Count Down
"20" = Processing Cooling Down
"10" = Power Failure
%1 "28" = Processing cooling down due to abnormal temperature
"08" = Abnormal Temperature
"88" = Normal after recovering abnormal temperature
"02" = Cannot accept RS232C command
"24" = Processing Cooling Down for Power Save
"04" = Power Save
"?" [CR]
"1"
←―――→ Response
(A few ms--1s)
(Shows
Computer 1 is selected)
Page
CR
15/18