DeCrane Aerospace Audio International TSC-9104-101-x Installation & Operation ManualDocument # 540364, Rev IR, 02/2008 Page 6 of 15DeCrane Aerospace Audio International by contacting the RepairDepartment at 501.801.8101. Repackage the unit in its originalpackaging materials and return it to DeCrane Aerospace AudioInternational following instructions given by the DeCraneAerospace Audio International representative. If no return isnecessary, retain the packing list and the packing materials forstorage.3.3 Cautions and 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 only wherespecified. Damage to the unit may result if power or ground isapplied to the wrong points.3.3.2 DO NOT remove any factory-installed screws. Damage to the unitmay result and void any warranties.3.3.3 DO NOT attempt to open the unit. Refer servicing to qualifiedpersonnel.3.3.4 DO NOT install near heat sources such as direct sunlight, warm airexhausts, or heaters.3.3.5 Locate the unit away from magnetic fields and areas with excessivedust. Do not mount the unit to the skin of the aircraft.3.3.6 Installation requires a MINIMUM of 1/2-inch spacing from otherequipment, modules, and structures except the mounting surfacefor which the unit should be in direct contact.3.3.7 DO NOT connect or disconnect the unit while power is applied.3.3.8 DO NOT use near water, moisture, or volatile sprays. Do not useany type of solvent when cleaning the unit as surface damage mayoccur.3.3.9 ESD (Electro Static Discharge) guidelines shall be followed.