Compatibility of Microphone and Three-Button Control
Integrated microphone allows for hands free conversations. Three-button
control capabilities are shown in the illustration.
Responsible Listening
Be sure to turn the volume down on your music player before beginning to
listen. This will eliminate the risk of damaging your hearing with an excessive
volume level. Never wear headphones while operating machinery, driving a car
or performing any other activity where hearing outside sounds is important. If
you ever experience pain or discomfort during or after listening to headphones you may be listening
at an excessive volume level and causing permanent hearing damage.
Occupational Safety and Health Administration (OSHA) Guidelines for Permissible Noise Levels
and Exposure Durations.
Sound Pressure Level (SPL) Recommended Maximum Daily Exposure
90dB
8 Hours
92dB
6 Hours
95dB
4 Hours
100dB
2 Hours
105dB
1 Hour
110dB
30 Minutes
115dB
15 Minutes
Greater than 115dB
Avoid SPL levels of 115dB and greater
x1
x1
x1
x2
x3
Содержание TTR 3-Button
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