Canon LV-5220 - Multimedia Projector SVGA Spécification fonctionnelle - Page 20
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Basic Serial Command Functional Specification
7.7. Temp Read Command
Command
"CR6" [CR]
Get the temperature inside a Projector.
Detail
When some temperature sensors are installed in the Projector, it is possible to know
the temperature all at once.
Acceptable
%1
Response
%2
%3
Unacceptable
"%1_%2_%3" [CR]
%1 = Temperature, sensor 1
%2 = Temperature, sensor 2
%3 = Temperature, sensor 3
Temperature data form shows as 00.0.
When the temperature sinks to -, the first character is "-" like "-05.5"
[CR].
When cannot return the temperature data due to hardware
problems, the first character is "E" like"E00.0" [CR].
When the status is Standby or it is 10 seconds after Power On,
depend
on
Projectors;
temperature due to ballast lamp's residual heat. So, when the status
is Standby or it is 10 seconds after Power On, the process for the
abnormal temperature is not executed. The temperature data is
" ----" at the time.
When some temperature sensors are installed, the Projector sends
command continuously. "_31.5__35.2__33.4" [CR]
There is the first sensor's information, and after one space, there is
the second sensor's information.
"?" [CR]
temperature
may
approach
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critical