If the signal transferred from the computer is the same as the following Preset Timing Modes, the 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)

 

 

 

VESA,1600X1200

75.000

60.000

162.000

+/+

IBM,640X350

31.469

70.086

25.175

+/-

IBM,720X400

31.469

70.087

28.322

-/+

IBM,720X400

31.469

59.940

25.175

-/-

VESA,640X480

37.861

72.809

31.500

-/-

VESA,640X480

37.500

75.000

31.500

-/-

MAC,640X480

35.000

66.667

30.240

-/-

MAC,832X624

49.726

74.551

57.284

-/-

VESA,800X600

35.156

56.250

36.000

+/-,+/-

VESA,800X600

37.879

60.317

40.000

+/+

VESA, 800X600

48.077

72.188

50.000

+/+

VESA,800X600

46.875

75.000

49.500

+/+

VESA,1024X768

48.363

60.004

65.000

-/-

VESA,1024X768

56.476

70.069

75.000

-/-

VESA,1024X768

60.023

75.029

78.250

+/+

VESA,1152X864

67.500

75.000

108.00

+/+

MAC,1152X870

68.681

75.062

100.00

-/-

VESA.1280X960

60.000

60.000

108.00

+/+

VESA,1280X1024

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 LS20BRDBBV/XSE, LS20BRDESQ/EDC manual Preset Timing Modes, Pixel Clock Sync Polarity Display Mode Frequency MHz KHz

LS20BRDBSQ/EDC, LS20BRDBSQ/XSA, LS20BRDBBV/XSE, LS20BRDESQ/EDC, LS20BRDTS/EDC specifications

Samsung LS20BRDESQ/EDC and LS20BRDBSQ/EDC are professional-grade monitors designed for a variety of applications, ranging from office work to creative tasks. Both models boast a blend of advanced technology and user-friendly features, making them reliable choices for users seeking robust performance and superior visual quality.

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