Bose A20 Aviation 2015-present Owner's guide - Page 39

Technical Information FAA Technical Standards Order The Bose® A20® Aviation Headset that are approved to TSO and ETSO C139 are appropriately marked. The product interface, cables, and microphones have been designed to function in or withstand exposure to the following environmental conditions: Condition Altitude and temperature Salt fog AF conducted susceptibility Humidity Magnetic effect Power input RF susceptibility Temperature and altitude Vibration Voltage spike Shock drop Explosive atmosphere Category A1 S B B Z B T A1 S, R, and U A 12 times, 1 m onto concrete Passed Environmental categories cited refer to RTCA/DO-160F and RTCA/DO-214 (March 2, 1993). The conditions and tests required for TSO approval of this are minimum performance standards. It is the responsibility of those installing this article either on or within a specific type or class of aircraft to determine that the aircraft installation conditions are within the TSO standards. TSO articles must have separate approval for installation in aircraft. The article may be installed only if performed under 14 CFR part 43 or the applicable airworthiness requirements. This device complies with FCC and Industry Canada RF radiation exposure limits for general population. It must not be collocated or operating in conjunction with any other antenna or transmitter. English - 39