123
Preset Timing Modes
The screen will automatically be adjusted if a signal that belongs to the following standard
signal modes is transmitted from your PC. If the signal transmitted from the PC does not belong
to the standard signal modes, the screen may be blank with the power indicator on. In such a
case, change the settings according to the following table by referring to the graphics card user
manual.
QB24C / QB24C-T
Resolution
Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
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
100.000
-/-
VESA, 640 x 480
31.469
59.940
25.175
-/-
VESA, 640 x 480
37.861
72.809
31.500
-/-
VESA, 640 x 480
37.500
75.000
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
48.077
72.188
50.000
+/+
VESA, 800 x 600
46.875
75.000
49.500
+/+
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
108.000
+/+
VESA, 1280 x 720
45.000
60.000
74.250
+/+
Resolution
Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
VESA, 1280 x 800
49.702
59.810
83.500
-/+
VESA, 1280 x 1024
63.981
60.020
108.000
+/+
VESA, 1280 x 1024
79.976
75.025
135.000
+/+
VESA, 1366 x 768
47.712
59.790
85.500
+/+
VESA, 1440 x 900
55.935
59.887
106.500
-/+
VESA, 1600 x 900
60.000
60.000
108.000
+/+
VESA, 1680 x 1050
65.290
59.954
146.250
-/+
VESA, 1920 x 1080
67.500
60.000
148.500
+/+