You can open and adjust the pen touch OSD menu on the screen by pressing the power button for 3 seconds.
1. Brightness Settings
You can adjust the following contents under the Brightness Adjustment Interface:
a. There are 4 modes on the interface: the Standard, Game, Movie, and User modes. 
b. You can switch to the User Mode and freely adjust the Brightness, Contrast Ratio, and Saturation by adjusting the blue bars.
2. Color Temperature Settings
a. There are three standard color temperature options on the left side of the interface: 6500K, 7500K, and 9300K.
b. In addition, you can switch to User Mode and adjust the blue bar of the R(Red), G(Green), and B(Blue) on the right side of the interface for your preference.
3. Color Space Settings
You can switch to Native, sRGB, Rec.709, and Adobe RGB color spaces in the Color Space Adjustment interface.
Native: the native color gamut of the digital screen can reach 120% sRGB, which is more suitable for watching movies and game videos.
sRGB: 99% sRGB is suitable for drawing and designing in professional tools and apps.
Rec.709: 99% Rec.709 is suitable for HDTV broadcasting and video streaming. It ensures the content looks consistent on most TVs and monitors.
Adobe RGB: 90% Adobe RGB is fit for photo editing and printing
4. Other Settings
In other setting interfaces, you can adjust the following features:
Three screen ratio selections: Full, 4:3, 16:9
Signal source types: Type-C, HDMI
* Different cables are used to transmit the screen signal to your host computer.
Restore Default Settings
* Click the Reset Button, then begin restoring your settings.