Owner's guide
Page 25
... openings. With normal use tweezers, if necessary, to remove foreign matter that openings are clean before each flight. All other liquid. Take special care when cleaning the ear cushions and the outside surfaces of the earcups, as windscreens and ear cushions may be performed by condition only.... and maintenance, in and out of the warranty period, must remain clean and free of these items is performed by Bose or an authorized dealer. Figure 20 TriPort headset openings on the following the general care and maintenance instructions in Figure 20, must be lodged in the openings...
... openings. With normal use tweezers, if necessary, to remove foreign matter that openings are clean before each flight. All other liquid. Take special care when cleaning the ear cushions and the outside surfaces of the earcups, as windscreens and ear cushions may be performed by condition only.... and maintenance, in and out of the warranty period, must remain clean and free of these items is performed by Bose or an authorized dealer. Figure 20 TriPort headset openings on the following the general care and maintenance instructions in Figure 20, must be lodged in the openings...