D-Link DCS-6815 Manuel d'utilisateur télécharger pdf (Page 28)

28D-Link DCS-6815/6817/6818 User Manual

Section 3 - Conﬁguration

PTZ Setup

This section contains general settings for pan, tilt, and zoom functions.

General

Select this box to enable backlight compensation. The

backlight compensation function prevents the center object

from appearing too dim when excessive light is behind an

object. Once activated, the center object will be brighter

relative to the edges of the picture where the backlight

originates from.

Select this box to enable digital zoom. The camera uses

digital zoom once the maximum optical zoom level has been

reached.

Backlight:

Digital Zoom:

WDR:

AE Mode:

(Auto Exposure

Mode)

Select this box to enable wide dynamic range. This setting improves images with heavily backlit subjects.

Auto

In this mode, the camera’s brightness, shutter speed, iris and AGC (auto gain control) control circuits work together

automatically to achieve a consistent video output level.

Shutter

In this mode, shutter speed controls exposure. The iris and AGC will function automatically in cooperation with the

shutter speed to achieve a consistent video output level.

Iris

In this mode, the iris function controls exposure. The shutter speed and AGC circuit will function automatically in

cooperation with the iris to achieve a consistent video output level.

AGC

In this mode, the Automatic Gain Control circuit controls exposure. The shutter speed and iris will automatically

function in cooperation with AGC to achieve a consistent video output level.

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D-Link DCS-6815 Manuel d'utilisateur Page 28