Acer AL1912 - Manual (Page 14)

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Support Modes
There will be 28 total support modes to accommodate the above mode and other video modes within the frequency range of the
monitor.
85Hz refresh rate Support
Monitor should display 85Hz refresh rate mode as emergency mode.
Monitor should display “Out of Range” warning menu at this mode.
Video input Connector
Analog Video input Connector: 15pins mini D-Sub
Table 2.4.5. Pin assignment for D-sub connector
PIN NO. Separate Sync
1 RED VIDEO
2 GREEN VIDEO
3 BLUE VIDEO
4 GROUND
5 GROUND
6 RED GROUND
7 GREEN GROUND
8 BLUE GROUND
9 PC5V (+5V DDC)
10 CABLE DETECTION
11 GROUND
12 SDA
13 H.SYNC
14 V.SYNC
15 SCL
15
10
5 1
6
11
D-sub connector
Color of plastic parts: Blue (PC99)