30Special installation (Installation with the screen downward)3.4.5 Installation with the screen downwardThis display is designed to be installed with the screen downward, but certain uses can interfere with proper ventilation.Please observe the following conditions:1 Use plate metal that keeps all single holes clear and has dimensions no larger than those given in the followingtable.2 Leave adequate ventilation space between the display and the ceiling.3 Use plate metal having sufficient strength (incorporating a safety factor of approximately four), and secure at thefour points indicated in the following drawing (four-point mounting). Mounting plate metal on a ceiling involvescertain hazards. Make sure you provide adequate back-up safety measures.4 Recommended ambient operating temperatures are given in the following table. Operate the display within thisrange of temperatures.5 The ceiling should closely approximate a perfectly flat plane. Keep deformation pressures applied to the display,such as twisting and bending, at or below 1 mm.Clearance A to the ceiling100 mm or more50 mm or moreLess than 100 mmLess than 50 mmAmbient operating temperatures0 to 35 °C (Animation)0 to 30 °C (Still)0 to 30 °CCannot be used.CeilingDo not block this area on either the top or the bottom.Do not block this area on either the top or the bottom.75mm40mm 40mmA75mm 694 mm (center indicated) 75mm 75mmCeiling
