4.0 INTERFACE REQUIREMENT
4.1 Power input requirements
4.1.1 Operating voltage range：90 ~ 264VAC , 50/60 ± 3Hz
4.1.2 Input Current at 120V
a. Operating ：2.0Amps RMS maximum
b. Inrush current ：40 Amps peak maximum
4.1.3 Input Current at 240V
a. Operating ：1.0 Amps RMS maximum
b. Inrush current ：60 Amps peak maximum
4.1.4 Power management
MODE H-SYNC V-SYNC POWER INDICATOR
NORMAL YES YES ≦115W GREEN
Power saving NO YES ≦10W AMBER
Power saving YES NO ≦10W AMBER
Power saving NO NO ≦2W AMBER
4.2 Signal Input Requirement
4.2.1 Connector
a. 15 pin D-sub high-density connector for video and sync signals. (See Appendix A for pin assignment)
b. Cable length ︰1.8meters with ivory color.
4.2.2 Video Signals
a. Red, Green, Blue channels analog input.
b. Amplitude ：0.7Vp-p/1Vp-p(OSD SLECT)
c. Polarity ：Positive bright, 0.7Vp-p for full intensity and 0Vp-p for black.
d. Impedance ：75 ohms±5%
4.2.3 Sync signal
a. Separate H and V sync or composite H+V sync.
b. Voltage level ︰Standard TTL
c. Input impedance ︰2KΩ
d. Polarity ︰Negative or Positive.
ViewSonic Corporation
7
Confidential – Do Not Copy
G220f-1_G220fB-1
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