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4.2 FACTORY PRESET DISPLAY MODES：
TIMING
FH (KHZ)
FV(HZ)
NTSC
31.469
59.940
PAL
31.25
50Hz
640x480
31.469
VGA-480
59.94
640x480
37.861
VESA-480-72Hz
72.809
640x480
37.5
VESA-480-75Hz
75
720x400
31.469
VGA-400-TEXT
70.087
56.25
800x600
37.879
VESA-600-60Hz
60.317
800x600
48.077
VESA-600-72Hz
72.188
800x600
46.875
VESA-600-75Hz
75
1024x768
48.363
XGA
60.004
1024x768
56.476
VESA-768-70Hz
70.069
1024x768
60.023
VESA-768-75Hz
75.029
1280x1024
63.981
XGA
60.020
1280x1024
74.882
VESA-1024-70H
69.853
z
1280x1024
79.976
VESA-1024-75H
75.025
z
SYNC
TOTAL
POLARITY
(DOT/LINE)
800
525
+
884
+
625
−
800
−
525
−
832
−
520
−
840
−
500
−
900
+
449
+
625
+
1056
+
628
+
1040
+
666
+
1056
+
625
−
1344
−
806
−
1328
−
806
+
1312
+
800
+
1688
+
1066
+
1696
+
1072
+
1688
+
1066
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ACTIVE
SYNC
(DOT/LINE)
WIDTH
(DOT/LINE)
640
96
480
2
700
72
570
2
640
96
480
2
640
40
480
3
640
64
480
3
720
108
400
2
600
2
800
128
600
4
800
120
600
6
800
80
600
3
1024
136
768
6
1024
136
768
6
1024
96
768
3
1280
112
1024
3
1280
160
1024
4
1280
144
1024
3
Lenovo LXH-GL17L3
FRONT
BACK
PORCH
PORCH
(DOT/LINE)
(DOT/LINE)
16
48
10
33
5
107
12
41
16
48
10
33
24
128
9
28
16
120
1
16
18
54
12
35
1
22
40
88
1
23
56
64
37
23
16
160
1
21
24
160
3
29
24
144
3
29
16
176
1
28
48
248
1
38
32
224
2
42
16
248
1
38
PIXEL
FOREQ
.(MHZ)
25.175
27.625
25.175
31.5
31.5
28.322
40
50
49.5
65
75
78.75
108
127
135
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