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85
• Bit Rate Type: This dropdown box allows the user to select a bit rate type. The system
supports two bit rate types: CBR and VBR. In VBR mode, video quality can be set.
• Reference Bit Rate: This is the recommended bit rate value according to the
resolution and frame rate selected.
• Bit Rate: This dropdown box allows the user to select a bit rate.
• Frame Interval: This field allows the user to set the P frame amount between two I
frames. The value ranges from 1 to 150 seconds. Default value is 50. Recommended
value is frame rate *2.
• Watermark Settings: This function allows the user to verify if the video has been
tampered with.
• Watermark Character: This field allows the user to set the watermark’s text. The
default string is Digital CCTV. The maximum length is 85 characters. This string can
only include numbers, characters, and underscores.
Sub Stream is a lower quality stream that allows the feed to take up less resources and
bandwidth when streaming. The Main Stream and the Sub Stream have the same fields.
Sub Stream can be enabled by checking the box next to Enable.
To reset to default settings, click the Reset Defaults button. To refresh the page, click the
Refresh button. To save the settings, click the Save button.
5.4.1.2.2 Snapshot
Below is a screenshot that shows the Snapshot tab in the Video menu item:
Below is an explanation for each of the fields on the Snapshot tab in the Video menu item:
• Snapshot Type: This dropdown box allows the user to select a snapshot mode. There
are two snapshot modes:
▪ General: Snapshots are taken as scheduled.
▪ Event: Snapshots occur when a motion detection alarm or
tampering alarm is triggered
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