Acer AL922, Manual

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11
2.4 Input Signals
2.4.1 Video input
•
Type Analog R, G, B., Digital TMDS
•
Input Impedance 75 ohm +/- 2
%
•
Polarity Positive
•
Amplitude 0 - 0.7 +/- 0.05 Vp
•
Display Color same as LCD panel
2.4.2 Sync input
•
Signal separate horizontal and vertical sync, or composite sync
which are TTL compatible
•
Polarity positive and negative.
2.4.3 Interface frequency
The following frequency range is generalized by supported timing. If the entered
mode does not match the supported timing the display optimization will not be
assured.
•
Horizontal Frequency 24KHz --80KHz(analog), 31.5– 80KHz(digital)
•
Vertical Frequency 56Hz ---------75Hz
DISPLAY MODES
MONITOR
MODE NO.
SCREEN
RESOLUTION
HORIZONTAL
SYNC RATE
(kHz)
VERTICAL
SYNC RATE
(Hz)
VIDEO CLK
(MHz)
STANDARD
1 640x350 31.5 + 70.0 - 25.0 VGA
2 640X400 24.83 - 56.4 - 21.05 NEC
3 640X400 31.5- 70.0+ 25.0 VGA
4 640X400 31.5- 70.1- 25.19 NEC
5
640X480 31.5 - 60.0 - 25.0 Defacto
6 640X480 35.0- 66.67- 30.24 MAC
7 640X480 37.86- 72.80- 31.5 VESA
8 640X480 37.5- 75.0- 31.5 VESA
9
720X400 31.5 - 70.0 + 28.0 Text Defacto
10 832X624 49.72- 74.55 - 57.28 MAC
11 800X600 35.16+ 56.25+ 36.0 SVGA
12
800X600 37.8 + 60.0 + 40.0 VESA
13 800X600 48.07 + 72.18 + 50.0 VESA
14 800X600 46.87+ 75.0+ 49.5 VESA
15
1024X768 48.4 - 60.0 - 65.0 VESA
16 1024X768 53.96 + 66.13 + 71.66 XGA
17 1024X768 56.47 - 70.07 - 75.0 VESA
18 1024X768 60.0 + 75.0 + 78.75 VESA
19 1024x768 60.24- 75.02- 80.0 MAC-768
20 1280X1024 64.0 + 60.0 + 108.5 SXGA
21 1280X1024 80.0 + 75.0 + 135.0 Defacto