Rosewill TFT-LCD Color Monitor R800N - Manual (Page 7)

5. Decrease:This button is used to adjust the decreasing Value of
selected OSD control option and VOLUME adjust function quickly
when have Audio function.
6. OSD Menu/select: Pressing this button pops up the OSD menus on
the screen and used to select the OSD control options on the screen.
7. Auto tuning: Automatically sixes, centers and fine tunes the Video
signal to eliminate noise a nd distortion.
*8. Light sensor: Compensate light output to optimize.
*9. Earphone: This input would offer users another better choice in using
a monitor with disturbing other.
*Option Item
6
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