Chapter 3: 7401-2xxx and 3xxx Hardware Installation 3-37Installation Guidelines• To prevent moisture from entering system, the front of the displaymust be in close contact with the opening in the enclosure.• Within every custom enclosure, the Electronics Box Back CoverMUST remain installed because it helps dissipate the heatgenerated by the CPU.• Adequate ventilation must be provided in every custom enclosure.The maximum allowable ambient temperature within anyenclosure is 45oC (113oF).• To prevent accidental shorts, the power supply and any otherperipherals within the enclosure must be mounted securely andwithin reach of the display’s connectors.• This model comes with a motion sensor that is at the end of a381 mm (15 in.) cable. When using the motion sensor, it must bemounted between 25 and 76 mm (1 to 3 in.) below the bottom of thedisplay and centered along the width of the display. (F753 [AT&T]includes a front enclosure in which the motion sensor is alreadymounted.)• Compliance of this device with regulatory requirements must beverified in the end-use application.• This device is a component which requires a suitable enclosure inits end-use application. The end-use product in which thiscomponent is used should be certified in accordance with UL 1950,EN60950, IEC950 or other applicable safety standard.Caution: NCR displays are not designed for horizontal or inverteduse. NCR displays must be mounted no more than 40o forward orbackward from horizontal. Failure to follow this guideline could resultin overheating.