Canon RE-350 manual White Balance Commands, OP AWB Operate Auto-White Balance

3.3 White Balance Commands

OP AWB (Operate Auto-White Balance)

•Function:

Instructs the auto white balance to find the best white balance.

•Timing of the “C-response Packet” sent to the PC:

Right after having found out the best white balance point or, after 6 seconds, having failed to find a proper WB.

•The parameter of the “C-response Packet”: $0000 fixed

•The maximum operation time (msec): 7000 millisecond

•Command format:

Header ID number Command Parameter MSH Parameter LSH

$10

$ 8 *

$ 2 0

$ 0 0

$ 0 0

White Balance: Manual Access To

•Function:

Sets a designated white balance position, which is determined by the parameter of this command, based on the Auto White Balance value as returned by the <Status of AWB Result> command (p.51). The AWB value should be known so the adjustment can be made properly, in the correct direction. This command is similar to rotating the manual control knob on the front panel. Note: The control knob’s physical position is not updated by this command.

•Available parameter value: LSH: $ 00 ~ $ FF

•Timing of the “C-response Packet” sent to the PC: Right after the compensation of WB is performed.

•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 *

$2 2

$ 0 0

$ * *

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