ACTi ENR-130 Guide d'installation télécharger pdf (Page 111)

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ENR-100 Series System Administrator’s Manual

111

Video Adjustment Attributes

Field Name

Description

Brightness(1-100)

Defines how much portion of light and of dark appear in the image. As the

value increases, the image appears brighter, and vice versa.

Contrast(1-100)

Defines the range level between light values and dark values. As the value

increases, the separation between light and dark becomes more obvious.

Saturation(1-100)

Defines the level of the actual color intensity. As it increases, colors appear

more pure; as it decreases, colors appear more gray-out.

Hue(1-100)

It is the term used to refer to the pure spectrum colors. Adjust this value to

find the color closest to the real scene.

Line Frequency

( 50Hz / 60 Hz)

The unction that adjusts the shutter speed options to match the frequency 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. It is necessary to have the camera’s Line

Frequency adjusted according to the power frequency of the light source to

avoid flickering effect.

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ACTi ENR-130 Guide d'installation Page 111