Standard Signal Mode Table, Horizontal Frequency

3-2 Standard Signal Mode Table

This product delivers the best picture quality when viewed under the optimal resolution setting. The optimal resolution is dependent on the screen size.

Therefore, the visual quality will be degraded if the optimal resolution is not set for the panel size. It is recommended setting the resolution to the optimal resolution of the product.

If the signal from the PC is one of the following standard signal modes, the screen is set automatically. However, if the signal from the PC is not one of the following signal modes, a blank screen may be displayed or only the Power LED may be turned on. Therefore, configure it as follows referring to the User Manual of the graphics card.

S20A550H

DISPLAY MODE	HORIZONTAL	VERTICAL	PIXEL CLOCK (MHZ)	SYNC POLARITY (H/
DISPLAY MODE	FREQUENCY (KHZ)	FREQUENCY (HZ)	PIXEL CLOCK (MHZ)	V)
	FREQUENCY (KHZ)	FREQUENCY (HZ)		V)

IBM, 640 x 350	31.469	70.086	25.175	+/-

IBM, 720 x 400	31.469	70.087	28.322	-/+

VESA, 640 x 480	31.469	59.940	25.175	-/-

MAC, 640 x 480	35.000	66.667	30.240	-/-

VESA, 640 x 480	37.861	72.809	31.500	-/-

VESA, 640 x 480	37.500	75.000	31.500	-/-

VESA, 800 x 600	35.156	56.250	36.000	+/+

VESA, 800 x 600	37.879	60.317	40.000	+/+

VESA, 800 x 600	48.077	72.188	50.000	+/+

VESA, 800 x 600	46.875	75.000	49.500	+/+

MAC, 832 x 624	49.726	74.551	57.284	-/-

VESA, 1024 x 768	48.363	60.004	65.000	-/-

VESA, 1024 x 768	56.476	70.069	75.000	-/-

VESA, 1024 x 768	60.023	75.029	78.750	+/+

MAC, 1152 x 870	68.681	75.062	100.000	-/-

VESA, 1152 x 864	67.500	75.000	108.000	+/+

VESA, 1280 x 800	49.702	59.810	83.500	-/+

VESA, 1280 x 800	62.795	74.934	106.500	-/+

VESA, 1440 x 900	55.935	59.887	106.500	-/+

VESA, 1440 x 900	70.635	74.984	136.750	-/+

VESA, 1600 x 900	60.000	60.000	108.000	+/+

Horizontal Frequency

The time taken to scan one line from the left-most position to the right-most position on the screen is called the horizontal cycle and the reciprocal of the horizontal cycle is called the horizontal frequency. The horizontal frequency is represented in kHz.

Vertical Frequency

A panel must display the same picture on the screen tens of times every second so that humans can see the picture. This frequency is called the vertical frequency. The vertical frequency is represented in Hz.

Using the product

3-2

S23A550H, S27A550H, S20A550H specifications

The Samsung S20A550H, S27A550H, and S23A550H series are part of Samsung's A-series displays, widely recognized for their impressive technological advancements and exceptional performance. These models cater to both professional and casual users, delivering vivid imagery combined with ergonomic design and advanced features.

The S20A550H is a 20-inch monitor that boasts Full HD resolution (1920 x 1080), ensuring crisp visuals suitable for a variety of applications. It utilizes Samsung’s advanced Panel technology that allows for wide viewing angles and excellent color accuracy. Many users appreciate its Flicker-Free technology, which reduces eye strain during prolonged use. The S20A550H’s ergonomic stand enables height adjustment and tilt capabilities, promoting better posture and user comfort.

The S23A550H model features a slightly larger 23-inch display that also offers Full HD resolution. This monitor is built with an ultra-slim design that fits well in modern office setups and home environments. The S23A550H employs Samsung's Magic Upscale feature, enhancing lower-resolution images to ensure sharp details and vibrant colors. Additionally, this monitor comes equipped with an Eco Saving mode which adjusts the brightness based on ambient light, further conserving energy.

Meanwhile, the S27A550H stands out with its impressive 27-inch size, providing an expansive workspace ideal for multitasking. With similar Full HD capabilities, it delivers immersive viewing experiences. The S27A550H supports multiple connectivity options, including HDMI and DisplayPort, facilitating easy integration with various devices. Its sleek design and ultra-narrow bezels enhance the immersive experience, making it a great choice for gaming and multimedia consumption.

All three monitors feature Samsung's advanced Eye Saver Mode, designed to reduce blue light emissions, promoting user comfort during long hours of use. They also utilize Samsung's advanced color reproduction technology, ensuring a broad color palette for stunning visuals in photos, videos, and graphic design work.

In conclusion, the Samsung S20A550H, S27A550H, and S23A550H models provide a balanced combination of performance, comfort, and design, catering to a wide range of user needs. Whether you're a professional seeking accurate colors or a casual user enjoying multimedia content, these monitors offer impressive features that enhance the overall viewing experience.