Fixed Threshold Value

Usage:	A higher value will increase the threshold for distinguishing between light and dark elements.
Definition:	Determines how the imager will distinguish light pixels from dark pixels. This value is used for Fixed Mode only. When Adaptive Mode is set, this value is ignored.
Serial Cmd:	<K512,threshold mode,fixed threshold value,cycle min,cycle max,cycle step,adaptive contrast percent>
Default:	128
Options:	0 to 255