LG 23LS7D Owner's Manual (English) - Page 28

EXTERNAL EQUIPMENT SETUP EXTERNAL EQUIPMENT SETUP ! NOTES G To get the the best picture quality, adjust the PC graphics card to 1366x768. G Depending on the graphics card, DOS mode may not work if a HDMI to DVI Cable is in use. G If the video doesn't fit the screen, try pressing the ADJUST button to adjust the screen position of TV. G Check the image on your TV. There may be noise associated with the resolution, vertical pattern, contrast or brightness in PC mode. If noise is present, change the PC output to another resolution, change the refresh rate to another rate or adjust the brightness and contrast on the PICTURE menu until the picture is clear. If the refresh rate of the PC graphic card can not be changed, change the PC graphic card or consult the manufacturer of the PC graphic card. G Avoid keeping a fixed image on the screen for a long period of time. The fixed image may become permanently imprinted on the screen. G The synchronization input form for Horizontal and Vertical frequencies is separate. Supported Display Specifications RGB-PC, HDMI/DVI-PC mode Resolution Horizontal Frequency(KHz) Vertical Frequency(Hz) 640x350 31.469 70.08 720x400 31.469 70.08 640x480 31.469 59.94 800x600 37.879 60.31 1024x768 48.363 60.00 1280x768 1360x768 RGB-PC 1360x768 HDMI-PC 1366x768 47.776 47.712 47.720 47.13 59.87 60.01 59.799 59.65 * RGB-PC mode only 26