35― Horizontal FrequencyThe time required to scan a single line from the left to the right side of the screen is called a horizontal cycle. The reciprocal number of a horizontal cycle is called horizontal frequency. Horizontal frequency is measured inkHz.― Vertical FrequencyRepeating the same picture dozens of times per second allows you to view natural pictures. The repeat frequency is called "vertical frequency" or "refresh rate" and is indicated in Hz.― This product can be set to only one resolution for each screen size to obtain the optimum picture quality due to the nature of the panel. Using a resolution other than the specified resolution may degrade the picture quality.To avoid this, it is recommended that you select the optimum resolution specified for your product.― Some resolutions listed in the table above may not be available depending on graphics card specifications.Horizontal Frequency(kHz)Vertical Frequency(Hz)Pixel Clock Sync PolarityResolution (MHz) (H/V)VESA, 1280 x 720 37.500 50.000 74.250 +/+VESA, 1280 x 720 45.000 60.000 74.250 +/+VESA, 1280 x 800 49.702 59.810 83.500 -/+VESA, 1280 x 1024 63.981 60.020 108.000 +/+VESA, 1440 x 900 55.935 59.887 106.500 -/+VESA, 160 0 x 900 60.000 60.000 108.000 +/+VESA, 1680 x 10 50 65.290 59.954 146.250 -/+VESA, 1920 x 1080 56.250 50.000 148.500 +/+VESA, 1920 x 1080 67.433 59.939 148.350 +/+VESA, 1920 x 1080 67.500 60.000 148.500 +/+VESA, 1920 x 1080 110.000 100.000 226.600 +/-