Digital Watchdog DWC-B562DIR User Manual page 16

EXPOSURE
AGC (Auto Gain Control)
OFF/ LOW / MID / HIGH / HIGHEST
2D-DNR (Digital Noise Reduction)
OFF/ LOW / MIDDLE / HIGH
EXIT_JUMP
SAVE & EXIT
EXIT
16
AGC enhances picture brightness in low light conditions.
A higher level AGC setting makes the image brighter;
however, it could cause an increase in noise.
2D-DNR reduces the noise on the screen in low light conditions.
It allows for clearer images even at night.
Exit the OSD after saving the current settings.
Exit the OSD without saving.