Settting at night:
DNR Off, WDR Off, HLC Off
Exposure 1/25, Gain 50
The ghosting/Halo does appear less.
Only problem is the old issue of flickering and freezing is back.
Exposure 1/3, Gain 40 - no flickering, but freezing still occurs.
Turning on DNR Normal 20 reduces freezing at expense of...