Vivotek IP7138 - Manual (Page 42)

Image Settings
Click on this button to pop up another window to tune “Brightness”,
“Contrast”, “Hue” and “Saturation” for video compensation. Each field has eleven
levels ranged from -5 to +5. In “Brightness” and “Contrast” fields the value 0
indicates auto tuning. The user may press to fine-tune the image. When the
image is O.K., press to set the image settings. Click on this to recall the
original settings without incorporating the changes.
41 - User's Manual
VIVOTEK - A Leading Provider of Multimedia Communication Solutions