ELI121-CRW User’s Manual12/27/2016Copyright ©2016,Future Designs, Inc. Page 8 of 11To verify that the ELI121-CRW unit is correctly powered you may check the 12VDC input with aFluke meter or scope by probing the +12V and GND contacts shown below. Please verify that the12VDC is present, is within the +/- 5% tolerance and is free from excessive noise or AC ripple.Figure 4. ELI121-CRW Power Test PointsExtended Display Information Data (EDID)ELI uses Extended Display Identification Data (EDID) for automatic configuration with manyoperating systems. You can find out more on our website at http://www.teamfdi.com/edid/.12V TestPoint3.3V TestPoint3.3V LCDTest PointGround