COX CG640 - MANUAL MAX;MIN: Set Gain Range; NOISE FILTER: Decrease Image Noise; NR1;NR2;NR1+NR2: Noise Filter Types; NR1(2) STRENGTH: Adjust Noise Filter Strength

We see temperature and temperature differences!!!
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CG320 & CG640 Manual
③ NOISE FILTER: Decrease noise in the image.
 NR1: Apply built-in NOISE FILTER1 to decrease FIXED PATTERN NOISE.
 NR2: Apply built-in NOISE FILTER2 to decrease GAUSSIAN NOISE.
 NR1 + NR2: Apply both NOISE FILTER1 and NOISE FILTER2 at the same time.
④ NR1 (2) STRENGTH: Adjust strength of NOISE1 (2)
 LEVEL 0 ~ LEVEL 6