![background image](http://html1.mh-extra.com/html/viewsonic/lcdtv/lcdtv_user-manual_1020407022.webp)
ViewSonic N1800TV 21
H. Position:
To adjust the horizontal position of the image.
V. Position:
To adjust the vertical position of the image.
Fine Tune:
To remove or reduce random horizontal noise in the image.
H. Size:
To adjust the delay time between horizontal synchronous signal and
video.
Sharpness:
To adjust the picture sharpness.