Canon RE-350 Webcam User Manual


 
39
Document Lights: Off
Function:
Turns off the Document Lights above the document table. (Also, the Auto-White Balance will be adjusted once.)
Timing of the C-response Packet sent to the PC:
Right after turning off the lights.
The parameter of the C-response Packet:
$0000 fixed
The maximum operation time (msec):
500 millisecond
Command format:
Header ID number Command Parameter MSH Parameter LSH
$10 $ 8 * $5 8 $ 0 1 $ 0 0
Document Lights: On
Function:
Turns on the document lights above the document table. (Also, the Auto-White Balance will be adjusted once.)
Note: If the Backlight is already on, and the Document Lights are turned on, then the Backlight will be turned off
automatically and only the Document Lights will remain on.
Timing of the C-response Packet sent to the PC:
Right after turning on the lights.
The parameter of the C-response Packet:
$0000 fixed
The maximum operation time (msec):
500 millisecond
Command format:
Header ID number Command Parameter MSH Parameter LSH
$10 $ 8 * $ 5 8 $ 0 0 $ 0 0
The RE-350 responds in 500 msec with a C-response data packet after the reception of this command, but it will
be still working on the AWB adjustment. (The real AWB operation time will be longer than 500 msec.)