Backlight: On

Function:

Turns on the Backlight under the document table. (Also, the Auto-White Balance will be adjusted once.)

Note: If the Document Lights are already on, and the Backlight is turned on, then the Document Lights will be turned off automatically and only the backlight will remain on.

Timing of the “C-response Packet” sent to the PC: Right after turning on the backlight.

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 9

$ 0

$ 0 0

Backlight: 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 backlight.

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 9

$ 0 1

$ 0 0

The RE-350responds 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.)

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Canon RE-350 manual Backlight On †, Backlight Off †