HN-900 Quickstart
Page 4
...confirm your audio device. 3. Alkaline battery is not activated. Rotate clockwise to reveal battery compartment. 2. C Activating Noise Cancellation 1. Note: Music playback control may listen to the left earcup. Insert battery, noting polarity. The LED indicator...or Noise Cancellation is recommended. 3. D Playback and Call Controls 1. B Using Headphones 1. To reduce external noise, turn on Noise Cancellation switch on all MP3 players, mobile phones or computers Technical specifications: Headphones Drivers: 40mm Neodymium magnet Frequency Response: 20Hz ~ 20kHz Noise ...
...confirm your audio device. 3. Alkaline battery is not activated. Rotate clockwise to reveal battery compartment. 2. C Activating Noise Cancellation 1. Note: Music playback control may listen to the left earcup. Insert battery, noting polarity. The LED indicator...or Noise Cancellation is recommended. 3. D Playback and Call Controls 1. B Using Headphones 1. To reduce external noise, turn on Noise Cancellation switch on all MP3 players, mobile phones or computers Technical specifications: Headphones Drivers: 40mm Neodymium magnet Frequency Response: 20Hz ~ 20kHz Noise ...