Digital Watchdog VMAXD1 16 User Manual page 24

Advanced
Watermark: Set as ON or OFF.
QP Control: This will help adjust the size of the files that need to be saved by adjusting the quality of the image. Select from CBR or VBR.
CBR will give you consistent file sizes but different image qualities.
VBR will give you consistent image qualities but different file sizes.
CBR and VBR can be set in 5 different levels, depending on the
recording quality.
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