Acer AL1531 Руководство пользователя - Страница 8

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Standard Timing Table

If the selected timing is NOT included in table below, this LCD monitor will use the most suitable available timing.

H. Freq.

Resolution

(KHz)

640 x 480

31.469

640 x 480

37.861

640 x 480

37.500

720 x 400

31.469

800 x 600

37.879

800 x 600

48.077

800 x 600

46.875

1024 x 768

48.363

1024 x 768

56.476

1024 x 768

60.023

Note: When the in put display mode is not 1280 x 1024, the image is smoothly expanded to 1280 x 1024 dots with the

PW131 scaling engine. After expansion from 640x480, 720x400, 800x600, and 1024x768 resolution, the text

may look not so sharp, and the Graphics may look not so proportional.

Troubleshooting

This LCD Monitor has pre-adjusted using factory standard VGA timings. Due to the output timing differences among

various VGA cards in the market, users may initially experience an unstable or unclear display whenever a new display

mode or new VGA card is selected.

Attention

This LCD Monitor Supports Multiple VGA Modes.

Refer to the Standard Timing Table for a listing of modes supported by this LCD Monitor.

PROBLEM Picture is unclear and unstable

The picture is unclear and unstable, please perform the following steps :

1. Enter PC to "Shut Down Windows" status while you're in MS-Windows environment.

2. Check the screen to see if there's any black vertical stripes appear. If there are, take advantage of the

"Clock" function in OSD menu and adjust (by increment or decrement numbers) until those bars

disappear.

3. Move to "Phase" function in OSD menu again and adjust the monitor screen to its most clear display.

4. Click "No" on "Shut Down Windows" and back to the normal PC operating environment.

PROBLEM There is no picture on LCD Monitor

If there's no picture on the LCD Monitor, please perform the following steps:

1. Make sure the power indicator on the LCD Monitor is ON, all connections are secured, and the system is

running on the correct timing. Refer to Chapter 3 for information on timing.

2. Turn off the LCD Monitor and then turn it back on again. If there is still no picture, press the Adjustment

Control button several times.

3. If step 2 doesn't work, connect your PC system to another external CRT. If your PC system Functions

properly with a CRT Monitor but it does not function with the LCD Monitor, the output timing of the

VGA card may be out of the LCD's synchronous range. Please change to an alternative mode listed in

the Standard Timing Table or replace the VGA card, and then repeat steps 1 and 2.

PROBLEM There is no picture on LCD Monitor

If you have chosen an output timing that is outside of the LCD Monitor's synchronous range (Horizontal: 30

~ 60 KHz and Vertical: 56 ~ 75 Hz), the OSD will display a "Out of Range" message. Choose a mode that

is supported by your LCD Monitor.

Also, if the signal cable is not connected to LCD monitor at all or properly, the monitor screen will display a

message "No Input Signal".

V. Freq.

Pixel Freq.

(Hz)

(MHz)

59.940

25.175

72.809

31.500

75.000

31.500

70.087

28.322

60.317

40.000

72.188

50.000

75.000

49.500

60.004

65.000

70.069

75.000

75.029

78.750

H/V Sync.

Mode

Polarity

-/-

VGA-480

-/-

VESA - 480 - 72Hz

-/-

VESA - 480 - 75Hz

-/+

VESA-400-TEXT

+/+

VESA-600-60 Hz

+/+

VESA-600-72 Hz

+/+

VESA-600-75 Hz

-/-

XGA

-/-

VESA-768-70 Hz

+/+

VESA-768-75 Hz