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BHI Noise Away Manual

Amplified dsp noise cancelling speaker
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Desk Top "Noise Away "
Amplified DSP noise cancelling Speaker
User Manual
bhi Ltd
DSP noise cancellation products for radio and voice communications
1067-105D iss B

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Summary of Contents for BHI Noise Away

  • Page 1 Desk Top “Noise Away “ Amplified DSP noise cancelling Speaker User Manual bhi Ltd DSP noise cancellation products for radio and voice communications 1067-105D iss B...

  • Page 2: Table Of Contents

    Furthermore, bhi Ltd reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of bhi Ltd to notify any person of such revision or changes.

  • Page 3: Introduction

    The Desk Top “Noise Away” comprises a 4” bass driver and a 1” tweeter unit, and an amplified DSP noise cancelling unit capable of producing up to 2.5Watts RMS audio power.

  • Page 4: Installation

    Installation The speaker is supplied with a mounting bracket that can be left on in case of permanent fixing, or removed altogether depending on personal choice. Connect the 3.5mm mono lead supplied to the extension speaker socket of your equipment and the 4mm black and red plugs into the corresponding red and black sockets on the rear of the speaker.

  • Page 5: Setup Mode

    Setup mode To change the number of DSP levels or listen to the demonstration modes, it is necessary to put the module into the setup mode. To do this, ensure the module is switched off. Press and hold the DSP level button. Turn on the module and a 2 tone beep will be heard indicating that the module is in the set up mode.
  • Page 6 Demonstration modes. Demonstration mode 1 Demonstration mode 2 The module switches the noise cancellation The module switches the noise cancellation on for 1.5 seconds, then off for 1.5 seconds. on for 3 seconds then off for 3 seconds. This It will then move to the next level and repeat is a good demonstration of the before and the process.

  • Page 7: Specification

    • Check that the Desk Top “Noise Away” Power LED is on. The speaker works but the noise cancellation doesn’t appear to improve the audio quality of the signal: • Check that the filter is switched on (green LED).

  • Page 8: Bhi Support

    NEIM1031MKII (DSP Noise Eliminating In-line Module). Please contact bhi for more information. See end of operating manual for contact information.
  • Page 9 Desk Top “Noise Away” Speaker Dis-Assembly and Audio Adjustment Procedure The Speaker is set up to operate with a wide audio input level range. But under certain conditions, like using the speaker with a shortwave receiver, you may need to adjust the audio settings of the amplified DSP module to obtain optimum performance.
  • Page 10 Ltd PO Box 318 Burgess Hill West Sussex RH15 9NR England Telephone: + 44 (0)845 217 9926 Fax: + 44 (0)845 217 9936 Email: sales@bhi-ltd.com Web: www.bhi-ltd.com 1072-105D iss B Page 10...

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