User manual
common video timing modes. Refer to the technical specifications for this monitor at 
http://www.elotouch.com for a list of these Preset Video Modes. 
On-Screen Display (OSD) 
Four OSD buttons are on the bottom of the monitor. These can be used to adjust various 
display parameters. 
The buttons and their functionality are: 
Button  Function when OSD is not displayed:  Function when OSD is displayed: 
Menu  Display OSD main menu  Return to previous OSD menu 
Display OSD Brightness submenu 
Increase value of selected parameter / 
select previous menu item 
Display OSD Contrast submenu 
Decrease value of selected parameter / 
select next menu item 
Select Auto Adjust 
Select parameter for adjustment / 
select submenu to enter 
Using the OSD buttons controls an on-screen graphical user interface which displays on top of 
your input video, allowing intuitive adjustment of the following display parameters: 
Parameter  Available Adjustment 
Brightness 
Increase/decrease monitor brightness. 
Default: maximum 
Contrast 
Increase/decrease monitor contrast. 
Default: best gray-shade performance 
Clock 
Allows fine adjustments of the panel’s pixel dot clock. 
Only applicable for VGA input video 
Phase 
Allows fine adjustments of the panel’s pixel dot clock phase. 
Only applicable for VGA input video 
Auto Adjust 
Automatically adjusts the system clock to the input analog VGA video signal, affecting 
the H-position, V-position, Clock, and Phase menu items. 
Only applicable for VGA input video 
H-position 
Moves the image horizontally on the display in single-pixel increments. 
Default: centered. 
Only applicable for VGA input video 
V-position 
Moves the image vertically on the display in single-pixel increments. 
Default: centered. 
Only applicable for VGA input video 
User Manual – 1509L 
SW601532 Rev A - Page 10 of 18 










