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DS-2TD2xxx-xxxx/xx Thermal and Optical Bi-Spectrum Network Camera User Manual
UM DS-2TD2xx-xxxx/xx Thermal 072020NA 49
9.2.13 DDE
Digital Detail Enhancement adjusts the image details. OFF and Normal modes are selectable.
• OFF: Disable this function.
• Normal: Set the DDE level to control the details of the image. The higher the level, the more details
show, but the higher the noise.
9.2.14 Brightness Sudden Change
When the brightness of the target and the background is great (the temperature difference of the target
and background is great), the system reduces the difference for viewing.
9.2.15 Enhance Regional Image
You can select the desired area of image to improve the coding quality. The regional image will be more
detailed and clear.
1. Go to Configuration → Image → Display Settings → Image Enhancement.
2. Select the area of regional image enhancement. You can select OFF to disable this function, or select
Custom Area to draw a desired area.
A red rectangle shows on the display, in which the image quality is improved.
9.2.16 Mirror
If the live view image is the reverse of the actual scene, this function helps to display the image normally.
Select the mirror mode as needed.
The video recording will be shortly interrupted when the function is enabled.
9.2.17 Video Standard
Video Standard is an ability of a video card or video display device that defines the amount of colors that
are shown and the resolution. The two most common video standard used are NTSC and PAL. In NTSC, 30
frames are transmitted each second. Each frame is made up of 525 individual scan lines. In PAL, 25 frames
are transmitted each second. Each frame is made up of 625 individual scan lines. Select video signal
standard according to the video system in your country.
9.2.18 Digital Zoom
You can zoom in the image. The larger the zoom size, the more blurred the image.
9.2.19 Scene Mode
There are several sets of image parameters predefined for different installation environments. Select a
scene according to the actual installation environment to speed up the display settings.
9.3 OSD
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