Bose Corporation 416317 Manual De Usuario

Technical Information 

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:

Altitude and temperature

A1

Salt fog

S

AF conducted susceptibility

B

Humidity

B

Magnetic effect

Z

Power input

B

RF susceptibility

T

Temperature and altitude

A1

Vibration

S, R, and U

Voltage spike

A

Shock drop

12 times, 1 m onto concrete

Explosive atmosphere

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 stan-

dards. 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 stan-

dards. 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.