Manual

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Firmware User’s Manual V6.09.45
56
Video & Audio
The section Video or Video & Audio (for audio supported cameras)
provides the options to adjust the video quality, configure the streaming details of the camera,
and audio settings (for Audio supported cameras only), which will be described in the succeeding
pages.
The default settings of the camera are sufficient for most environments and the video
adjustments are not necessary. The following sections explain the ways to configure the video
quality or streaming details in case it is required to do so.
The [+] mark before Video indicates that the list can be expanded by clicking on it. Once
expanded, the list can later be collapsed again by clicking on the [-] mark.
Camera Options
In general, the Camera Options submenu allows users to set the
Line Frequency and Stream Mode properties of the camera. Depending on the camera type,
the parameters on the Camera Options screen vary.
Line Frequency is the function that adjusts the shutter speed options to match with the
frequence of artificial light source of given country. For example, in Europe the light frequency
(due to power supply frequency of lights) is 50Hz, that is 50 flashes per second. By setting line
frequency to 50Hz in such case, the shutter speed options will be proportional with light source
frequency, such as 1/25s, 1/50s, 1/100s, etc.