Datavideo PTC-300 Instruction Manual page 49

Please see following section for realizing the descriptions for each item for the
Video option.
Items

50Hz (PAL): If you select this option, the maximum frame rate per
second (FPS) for the streaming video will be 50.

60Hz (NTSC): If you select this option, the maximum frame rate per
second for the streaming video will be 60.

Dial Priority: If you select this option, the maximum frame rate per
second will be 30, and it is possible that the parameters including the
video format and frame rate will be affected by the camera OSD menu
settings.
Note:
1. If you want to use the PTC-300 camera to connect to some Datavideo
switchers which support the interlace format only such as the HS-1300, SE-120
MU and SE-650, please remember to select the "Dial Priority" option as your
video format.
2. If the 50Hz or the 60Hz is selected for the PTC-300 web UI, the SDI or the
HDMI output format of the PTC-300 camera will be fixed at 1080p 50/60.
Descriptions
Video Format
It can support three video formats
including 50Hz(PAL), 60Hz(NTSC)
and OSD.
Encode Level
It allows users to select needed
Encode Level from four Encode
Levels including baseline profile,
mainprofile, highprofile and svc-t.
Encode Protocol（First Stream &
Second Stream）
It allows users to select three
Encode Protocols including H.264,
H.265 and MJPEG for the "First
Stream" and "Second Stream".
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