User manual
Table Of Contents

3.Web-basedInterface
NIC990lUserManual23
camera depending on your application environment. When Full Automatic is selected, the EV item
is then available.
EV: EV is called exposure compensation that tells the camera for a particular scene you want it
either brighter (zero to +7) or darker (zero to -7). The EV value from -7 to 7 is only available in Full
Automatic mode.
Exposure Time: Exposure Time between 1 and 1/10000 seconds is only available in Shutter Priority
mode.
Slow Shutter: Click the Slow Shutter drop-down menu to choose Auto or Off (Default).
BLC: The BLC function is to provide optimal exposure of subjects under back light circumstances.
Click the BLC drop-down menu to choose ON or OFF (Default).
Sharpness: Increasing the sharpness value enhances the edges and small features. In your camera
images, you can set a sharpness value of image from 0 to 15.
White Balance Mode: Set the white balance values to meet the environment condition for best
color rendition. There are 5 modes.
• ATW: It ranges from 2000°K to 10000°K.
• Auto: It ranges from 3000°K to 7500°K.
• Indoor: 3200°K as the basis.
• Outdoor: 5800°K as the basis.
• One Push WB: Use PTZ Control interface to perform this function.
Focus Mode: There are three modes to choose, the default is Auto.
• Manual: When selected, users can click NEAR and FAR buttons (Pan/Tilt control panel) to
control focus.
• Auto: The Auto mode automatically adjusts the focus position to maximize the high
frequency content of the picture in a center. Also, please change near/far to Focus Near and
Focus Far.
• Zoom Trigger: In this mode, camera will remain as Manual mode unless it receives zoom in
or zoom out signal, and after the designated action it will back to Manual mode.
Focus Sensitivity: You can set it on Normal or Low.
Day / Night: Click the drop-down menu to select among AUTO, Day and Night modes. In Day
mode, you can force the camera to stay in DAY (COLOR) mode all the time; in Night mode, you can
force the camera to stay in BW (NIGHT) mode all the time.
Zoom Limit: You can choose x20, x40, x80, x160 or x240.
DNR: You can congure the noise reduction related settings from auto to 0~5 and reduce noise on
the screen.
WDR: When there are both very bright and very dark areas simultaneously in the eld of view, you
can enable Wide Dynamic Range function. It optimizes an image to ensure that dark areas are more