Canon LV S3 Serial Functional Specification - Page 17

Transfer Example, 3 Status Read Command, Response Detail, 00 [CR], 80 [CR]

Page 17 highlights

8.2 Transfer Example Get input mode for the projector by basic commands. PC Æ Projector Projector Æ PC COMMAND (current input mode command issue) "C" "R" "1" CR "1" CR Response (A few ms--1s) (Shows Computer 1 is selected) 8.3 Status Read Command Command "CR0" [CR] Detail Get the projector status Acceptable "%1" [CR] Response "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 Power Save Cooling Down "04" = Power Save Unacceptable "?" [CR] Response Detail 8.3.1 "00" [CR] Status: POWER ON The image is displayed normally. 8.3.2 "80" [CR] Status: STAND BY When the status is STAND BY, Status Read Commands are always acceptable, but Functional Execution Commands are not acceptable except Power ON Command Page 17/21

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8.2 Transfer Example
Get input mode for the projector by basic commands.
COMMAND
(current input mode command issue)
PC
Projector
“C”
”R” ”1”
CR
Projector
PC
”1”
CR
←―――→
Response
(A few ms--1s)
(Shows
Computer 1 is selected)
8.3 Status Read Command
Command
“CR0” [CR]
Detail
Get the projector status
Acceptable
“%1” [CR]
%1
“00” = POWER ON
“80” = STANDBY
“40” = Processing Count Down
“20” = Processing Cooling Down
“10” = Power Failure
“28” = Processing cooling down due to abnormal temperature
“08” = Abnormal Temperature
“88” = normal after recovering abnormal temperature
“02” = cannot accept RS232C command
“24” = Processing Power Save
Cooling Down
“04” = Power Save
Response
Unacceptable
“?” [CR]
Response Detail
8.3.1
“00” [CR]
Status: POWER ON
The image is displayed normally.
8.3.2
“80” [CR]
Status: STAND BY
When the status is STAND BY, Status Read Commands are always acceptable, but
Functional Execution Commands are not acceptable except Power ON Command
Page
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