Elo TouchSystems 1847L - Manual (Page 33)

4-28 E l o E n t u i t i v e T o u c h m o n i t o r U s e r G u i d e
Image has vertical flickering line bars. Use “ Phase ” to make an adjustment.
Check and reconfigure the display mode of the vertical
refresh rate of your graphic card to make it compatible with
the LCD display.
Image is unstable and flickering Use “CLOCK” to make an adjustment.
Image is scrolling Make sure the VGA signal cable (or adapter) is well
connected.
Check and reconfigure the display mode of the vertical
refresh rate of your graphic card to make it compatible with
the LCD display.
Touch doesn’t work Make sure cable is securely attached at both ends.