Acer V173 - Tips for Comfortable Use; Finding Your Comfort Zone

7
4. Input / Output Signal Specifications
4.1 Signal Interface
Items Condition Spec OK Note
15 pin D-Sub
Color: Gray
Length: 1800
+/-
20 mm
●
Signal Cable
DVI
NA
Signal type Separate analog R,G,B ● For 15 pin D-sub
Level
700 mV +/- 5% (peak to
peak)
●
Analog
Impedance 75 Ohms +/- 2% Ohms ●
Signal type
Separate H/V-sync
(Positive/Negative)
● For 15 pin D-sub
Level
Logic High: 2.0V ~ 5.5V
Logic Low: 0V ~ 0.8V
(TTL level)
● Refer to VESA VSIS
Standard V1R1
Sync
Impedance ≧1.0K Ohm ● 1.0K
Ω
for application
4.2 Signal Timing
Through D-SUB connectors, this unit can support F
H
= 31.5 ~ 80 KHz, Fv=56 ~ 75Hz and SXGA
display modes as below:
Resolution H-Freq. (kHz) V-Freq. (Hz) Dot Clock (MHz) Mode
31.5 60.0 25.175
37.9 72.0 31.500
640 x 480
37.5 75.0 31.500
35.1 56.0 36.000
37.9 60.0 40.000
48.1 72.0 50.000
800 x 600
46.9 75.0 49.500
48.4 60.0 65.000
56.5 70.0 75.000
1024 x 768
60.0 75.0 78.750
64.0 60.0 108.000
1280 x 1024
80.0 75.0 135.000
VESA
IBM-AT Compatible
machine
PC-9800 series
640 x 350 31.5 70.0 25.175
720 x 400 31.5 70.0 28.322
US/IBM Text
832 x 624 49.7 74.6 57.283
60.2 75.0 80.000
1024 x 768
48.8 60.0 64.000
Power Macintosh series
4.3 Timing Requirements
Item Condition Specification
Horizontal
Sync polarity: (+) or (-)
31.5 ~ 80 KHz.
Vertical
Sync polarity: (+) or (-)
56-75Hz
Out of range
Excluding
Horizontal 31.5~80 KHz or
Vertical 56-75 Hz
Message “Input Not Supported” on screen
Cable not
connect
No VGA cable Message ‘’No Signal’’ on screen
4.4 DDC Data