ZMODO ZP-IBH13-P 720P HD H.264 PoE IP Infrared Weatherproof Camera with QR Code Smartphone Setup - Zviewer Windows User Manual - Manual (Page 35)

【 Stream Type 】 Two types: CBR(Constant bit rate)and
VBR(Variable bit rate) to choose, CBR applies constant bit rate
coding, VBR applies variable bit rate coding.
【 Resolution 】 Set image resolution, main stream
VGA(640×480=307200 pixel), sub stream QVGA(320×240=76800
pixels).
【 Frame rate 】 Set coding frame rate per second. Under not
satisfying network situation, you can reduce the frame rate to
control the coding bit rate, to ensure the smooth of the moving
footage
Character Overlay:
【 Title】Name of video channel will be shown on the up left of the
image, max supports 16 characters.
【 Time format】You can choose whether to display title , date and
time, and also you can choose the time format.
Video Block:
User can set the image mask area by clicking and dragging the
cusor or cancel the shield area by right clicking the mouse. You
can choose to shield the entire image, or only shield the part of