Vatech Green 21 PCT-90LH User Manual page 78

6. Setting up PC's Environment Variables
Selecting the Power Options: Monitor and System
1. Open the Start screen, type Power Options in the search box.
Click Choose when to turn off the display.
2.
3. Select Never for both Turn off the display and Put the computer to sleep
fields.
4. Click Save changes to apply the settings.
66 Green21 (Model: PCT-90LH) Installation Manual