Acer AL1923 Manuale di servizio - Pagina 11

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Timings

The product has 26 memory modes in total. 16 modes are preset and 10 modes

are user definable.

MODE NO.

RESOLUTION

Dot clock(MHz)

f h

H-Total ( us )

H-Sync ( us )

H-B-P ( us )

H-Active ( us )

H-F-P ( us )

f v

V-Total (ms )

V-Sync ( ms )

V-B-P (ms )

V-Active ( ms )

V-F-P ( ms )

SYNC. H/V

POLARITY

SEP . SYNC

MODE NO.

RESOLUTION

Dot clock(MHz)

f h

H-Total ( us )

H-Sync ( us )

720 x 400

640 x 480

28.321

31.469kHz

31.78(900dots)

31.778 (800 dots) 28.571(864 dots) 26.413 (832 dots)

3.813(108dots)

3.813 (96 dots)

1.907(54dots)

1.907 (48 dots)

25.42(720dots)

25.422 (640 dots) 21.164 (640 dots) 20.317(640 dots)

0.636(18dots)

0.636 (16 dots)

70Hz(70.087)

60Hz (59.940)

14.27(449 lines) 16.683 (525 lines ) 15.000 (525 lines ) 13.735(520 lines)

0.064(2 lines)

0.064 (2 lines )

1.112(35 lines)

1.049 (33 lines ) 1.114 (39 lines )

12.71(400 lines) 15.253 (480 lines ) 13.714 (480 lines ) 12.678(480 lines)

0.384(12 lines)

0.317 ( 10 lines)

-/+

640 x 480

800 x 600

31.5

37.500kHz

35.16kHz

26.667(840 dots) 28.44(1024 dots)

2.032 (64 dots)

2.00(72 dots)

- 11 -

640x480

25.175

30.24

35.0kHz

2.116 (64 dots)

3.175 (96 dots)

2.116 (64 dots)

66.7 HZ (66.667)

0.086 (3 lines )

- / -

+/+

Or -/-

800 x 600

37.879kHz

26.40 (1056

dots)

3.200 (128 dots)

640 x 480

31.5

37.861kHz

1.270(40 dots)

4.064(128 dots)

0.762(24 dots)

72.809Hz

0.079(3 lines)

0.739(28 lines)

0.237(9 lines)

-/-

800 x 600

49.5

46.875kHz

21.333 (1056dots)

1.616 (80 dots)