Canon RE-350 Webcam User Manual


 
33
Header ID number Command Parameter MSH Parameter LSH
$10 $ 8 * $ 2 0 $ 0 0 $ 0 0
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:
$10 $ 8 * $2 2 $ 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 knobs 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
3.3 White Balance Commands