4. Connect power cables
Connect the power cord to the N1800TV then to a properly grounded AC outlet.
5. Turn Power ON
Press the Power ON 
button on the front of the LCD display. Or press the Power On (red) button on the Remote Control. Turn computer power ON.
6.Select input source for your LCD TV display, via either OSD menu or Remote control
1)Insert the ViewSonic Wizard CD into the your computer CD drive, wait for the CD to
2)For the best picture quality set your LCD display timing mode to
VESA 1024 x 768 @ 60Hz, Refer to graphic card user guide, for questions on how to set this timing mode.
ViewSonic N1800TV 11