Techpro NVR-ELT4 - Preview Display Effect Setup; Video Color

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 Remote device: Search and add a remote device.
 Alarm output: Generate alarm output signal manually.
 Main menu: Go to system main menu interface.
Tips:
Right click mouse to go back to the previous interface.
Figure 4-31
4.6.4 Preview Display Effect Setup
4.6.4.1 Video Color
Here you can set hue, brightness, contrast, saturation, gain, white level, color mode and etc. See
Figure 4-32.