HIKVISION D7T Series Manuel de l'utilisateur - Page 11
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CONTRAST
This feature enhances the difference in color and light
between parts of an image. You can set the CONTRAST
value from 1 to 10.
SHARPNESS
Sharpness determines the amount of detail an imaging
system can reproduce. You can set the SHARPNESS
value from 1 to 10.
COLOR GAIN
Adjust this feature to change the saturation of the color.
The value ranges from 1 to 10.
DNR (Digital Noise Reduction)
The DNR function can decrease the noise effect,
especially when capturing moving images in low light
conditions and delivering more accurate and sharp
image quality.
You can set the DNR value from 1 to 10.
MIRROR
DEFAULT, H, V, and HV are selectable for mirror.
DEFAULT: The mirror function is disabled.
H: The image flips 180 degree horizontally.
V: The image flips 180 degree vertically.
HV: The image flips 180 degrees both horizontally and
vertically.
3.2.6 RESET
Reset all the settings to the default.
3.2.7 SAVE &EXIT
Move the cursor to SAVE &EXIT and press OK to save
the setting and exit the menu.
4 IR Reflection Prevention
For the camera that supports IR, you are required to
pay attention to the following precautions to prevent IR
reflection:
Dust or grease on the dome cover will cause IR reflection.
Please do not remove the dome cover film until the
installation is finished. If there is dust or grease on the
dome cover, clean the dome cover with clean soft cloth and
isopropyl alcohol.
Make sure that there is no reflective surface too close to
the camera lens. The IR light from the camera may reflect
back into the lens causing reflection.
The foam ring around the lens must be seated flush against
the inner surface of the bubble to isolate the lens from the
IR LEDS. Fasten the dome cover to camera body so that the
foam ring and the dome cover are attached seamlessly.