Selectable threshold multimode gain control apparatus and {TAIL ~ method} for setting {HEAD ~ mutually continuous analog}, digital, and shutter gain levels 
Selectable threshold multimode gain control apparatus and { TAIL ~ method } for setting { HEAD ~ mutually continuous analog } , digital , and shutter gain levels
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH