Samsung C49RG9 49" 32:9 120 Hz Curved FreeSync HDR VA Gaming Monitor - Manual (Page 55)

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DisplayPort1/DisplayPort2
Resolution Horizontal Frequency (kHz) Vertical Frequency (Hz) Pixel Clock (MHz) Sync Polarity (H/V)
VESA CVT, 3840 x 1080 137.250 119.974 549.000 +/-
VESA CVT, 5120 x 1440 88.826 59.977 469.000 +/-
VESA CVT, 5120 x 1440 150.994 99.996 797.250 +/-
VESA CVT, 5120 x 1440 182.955 119.970 966.000 +/-
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Horizontal Frequency
The 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 in kHz.
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Vertical Frequency
Repeating 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.
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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.