Standard Signal Mode Table | Samsung LC23A550US/ZA, LC27A550US/EN

10 Specifications

10.3 Standard Signal Mode Table

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. Therefore, 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 the screen size of your product.

If a signal that belongs to the following standard signal modes is transmitted from your PC, the screen will automatically be adjusted. If the signal transmitted from the PC does not belong to the standard signal modes, the screen may be blank with the power LED on. In such a case, change the settings according to the following table by referring to the graphics card user manual.

	Horizontal	Vertical	Pixel Clock	Sync Polarity
Resolution	Frequency	Frequency	Pixel Clock	Sync Polarity
Resolution	Frequency	Frequency	(MHz)	(H/V)
	(kHz)	(Hz)	(MHz)	(H/V)
	(kHz)	(Hz)

VESA, 640 x 480	31.469	59.940	25.175	-/-

VESA, 800 x 600	35.156	56.250	36.000	+/+

VESA, 800 x 600	37.879	60.317	40.000	+/+

VESA, 1024 x 768	48.363	60.004	65.000	-/-

VESA, 1280 x 800	49.702	59.810	83.500	-/+

VESA, 1280 x 960	60.000	60.000	108.000	+/+

VESA, 1280 x 1024	63.981	60.020	108.000	+/+

VESA,1440 x 900	55.935	59.887	106.500	-/+

VESA,1600 x 1200	75.000	60.000	162.000	+/+

VESA,1680 x 1050	65.290	59.954	146.250	-/+

VESA,1920 x 1080	67.500	60.000	148.500	+/+

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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.

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.

10 Specifications 80

LC23A550USSCI, LC27A550US/EN, LC23A550US/CI, LC23A550US/KZ, LC27A550US/CI specifications

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