DeCrane Aerospace Audio International DVD-5x2-01-x Installation & Operation ManualDocument # 540356, Rev C, 12/2008 Page 8 of 38cover of this manual for address. If no return is necessary, retainthe packing list and the packing materials for storage.3.2.3 Return only the core unit for replacement or service. Removeand retain for reuse the bezel, installed rails and pigtail (if used) aswell as any mounting hardware.3.3 Cautions & Warnings3.3.1 It is important to do a pin-to-pin power and ground check on allconnectors. Ensure that power and ground are applied onlywhere specified. Damage to the unit may result if power orground is applied to the wrong points.3.3.2 DO NOT connect or disconnect the unit while power is applied.3.3.3 DO NOT remove any factory-installed screws. Damage to the unitmay result and void any warranties.3.3.4 DO NOT drop the unit or subject it to strong shock. The unitcontains glass parts that may break or crack.3.3.5 DO NOT place foreign objects into openings. Contact with foreignobjects may result in dangerous voltage or electric shock.3.3.6 DO NOT place near strong magnetic fields, radiators or otherheat sources.3.3.7 DO NOT use this unit other than for its intended purpose. Doingso might lead to electric shock or injury.3.3.8 DO NOT use near water, moisture, or volatile sprays. Do not useany type of solvent when cleaning (surface damage may occur).3.3.9 DO NOT look directly into the laser beam through the disc slotopening. Eyesight may be damaged.3.3.10 DO NOT place fingers in disc slot. Device may pinch fingers andmay cause injury.3.3.11 DO NOT expose unit to sun or bright light. Damage to the sensormay result.3.3.12 The chassis material and structural design of this unit is such thatthe unit is not capable of containing fire within the unit. This unitdoes not provide for waterproof operation.