screen will be adjusted automatically. However, if the signal differs, the screen may go blank while the power LED is on. Refer to the video card manual and adjust the screen as follows.

Table 1. Preset Timing Modes

 

 

 

 

Horizontal

Vertical

Pixel Clock

Sync Polarity

Display Mode

Frequency

Frequency

(MHz)

(H/V)

 

(kHz)

(Hz)

 

 

 

IBM, 640 x 350

31.469

70.086

25.175

+/-

IBM, 640 x 480

31.469

59.940

25.175

-/-

IBM, 720 x 400

31.469

70.087

28.322

-/+

MAC, 640 x 480

35.000

66.667

30.240

-/-

MAC, 832 x 624

49.726

74.551

57.284

-/-

MAC, 1152 x 870

68.681

75.062

100.00

-/-

VESA, 640 x 480

37.500

75.000

31.500

-/-

VESA, 640 x 480

37.861

72.809

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

46.875

75.000

49.500

+/+

VESA, 800 x 600

48.077

72.188

50.000

+/+

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

+/+

VESA, 1152 x 864

67.500

75.000

108.00

+/+

VESA, 1280 x 1024

63.981

60.020

108.00

+/+

VESA, 1280 x 1024

79.976

75.025

135.00

+/+

Horizontal Frequency

The time to scan one line connecting the right edge to the left edge of the screen horizontally is called Horizontal Cycle and the inverse number of the Horizontal Cycle is called Horizontal Frequency. Unit: kHz

Vertical Frequency

Like a fluorescent lamp, the screen has to repeat the same image many times per second to display an image to the user. The frequency of this repetition is called Vertical Frequency or Refresh Rate. Unit: Hz

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Samsung 720N Preset Timing Modes, Horizontal, Pixel Clock Sync Polarity Display Mode Frequency MHz KHz, Vertical Frequency

720N specifications

The Samsung 720N is a versatile and advanced smartphone that has captured the attention of tech enthusiasts and everyday users alike. Launched as part of Samsung's series of high-performance devices, the 720N stands out with its impressive specifications and innovative features that enhance user experience.

One of the key highlights of the Samsung 720N is its stunning display. Featuring a 6.5-inch Super AMOLED screen, it delivers vibrant colors and deep contrasts, making it perfect for streaming videos, playing games, or browsing photos. The display's FHD+ (1080 x 2400) resolution ensures that every detail stands out, providing an immersive experience for users.

Under the hood, the Samsung 720N is powered by a capable processor, ensuring smooth multitasking and efficient performance. With up to 8GB of RAM, users can seamlessly switch between apps, allowing for an uninterrupted workflow. The device comes with multiple storage options, up to 128GB, expandable via a microSD card, catering to users who need extra space for their files, photos, and apps.

Camera capabilities are also a major attraction of the Samsung 720N. The device boasts a triple-camera system on the rear, featuring a 64MP main sensor that captures high-resolution images with stunning clarity. Additionally, it includes a 12MP ultra-wide lens for capturing expansive landscapes and a 5MP depth sensor for professional-quality portrait shots. The front-facing 32MP camera ensures that selfies are crisp and vibrant, making it a great choice for social media enthusiasts.

In terms of connectivity, the Samsung 720N supports 5G technology, allowing users to experience faster download and streaming speeds. With Wi-Fi 6 support and Bluetooth 5.0, the device offers enhanced connectivity options, making it easier to connect with other devices and networks.

Battery life is another strong suit of the Samsung 720N. Equipped with a robust 4500mAh battery, it offers all-day usage, ensuring that users can stay connected without worrying about running out of power. The device also supports fast charging, allowing users to quickly recharge their phone when needed.

Additionally, the Samsung 720N runs on the latest version of Samsung's One UI, built on Android, which provides a user-friendly interface and a host of customization options. Security features such as an in-display fingerprint sensor ensure that user data remains protected.

Overall, the Samsung 720N impresses with its blend of performance, camera quality, and modern technology, making it a compelling choice for anyone in the market for a new smartphone.