Yealink VC400 Administrator's Manual page 205

Parameter
One push—Use the predefined

color temperature settings to
provide acceptable color
reproduction.
ATW—Automatically adjust the

white balance based on the
video image shoot by the
camera.
Manual—Manually set red and

blue gain.
Default: Auto
Configures the white balance mode
of the VCC20 camera.
Auto—Yealink recommends

this setting for most situations.
It calculates the best white
balance setting based on
lighting conditions in the
room.
One push—Use the predefined

color temperature settings to
provide acceptable color
reproduction.
ATW—Automatically adjust the

white balance based on the
video image shoot by the
camera.
Tungsten Bulb（2700K）

Fluorescent（4000K）

Cool Daylight（6500K）

Manual—Manually set red and

blue gain.
Default: ATW
Configures the red gain of the
camera.
Valid Values: 0-100
Red Gain
Default: 83
Note: You can set this parameter
Description
Configuring System Settings
Configuration Method
Remote Control
Web User Interface
189