BHI NES10-2 Operating Manual

Operating Manual SOUND ENGINEERING SOLUTIONS 1030-103D Issue D 09/02 ...

illustrations is protected under international copyright laws, with all rights reserved. Neither this manual, nor any of the material within, may be copied or reproduced without the written consent of bhi Ltd. Disclaimer The information in this document is subject ...

manufacture of noise cancelling products and other specialist electronics. 1.2 Introduction The bhi noise eliminating speakers greatly improve the clarity and intelligibility of speech in radio communications. They are suitable for use in many applications where high background no ...

centre pin +Ve Sensitivity Control Noise Cancellation On/Off Switch Noise Cancellation Selection Table Audio Input Lead 2.1 Controls 2. NES10-2 LED Headphone socket The speakers mount like any standard external speaker and are powered by any 12 – 28 vdc unregulated power source. You can use the optional bhi exte ...

any further adjustments. 5. LED indicator. The LED illuminates red when power is applied and changes to green when the noise cancellation is active. 6. Noise cancellation ON/OFF switch. This switch turns the noise cancellation on and off, and should be in the “OFF” position prior to using the ...

centre +Ve 14.2000 000 14.195.00 145.0 For adaptors see section 4 2.4 NES10-2 basic connection diagram For use with standard radio communication equipment, follow the diagrams and procedures on page 11. For in vehicle use, fit the speaker in a suitable location using the bracket and fixing screws su ...

volume to your own personal taste, making sure that you are not over driving the speaker and causing distortion. Adjust the sensitivity control knob on the top of the speaker if required to obtain your optimum setting. 7. Tune into the station or channel you require. 8. Turn the noise cancell ...

make sure that you have the sensitivity control on the NES10-2 fully counter clockwise or thereabouts. Now tune your radio communications equipment until you have a good clear signal with good volume. The volume from the speaker is low and cannot be increased: n The NES10-2 is designed ...

on the NESCB by using the bhi power supply (optional extra) or a suitable 12 –28V dc power source (min 500mA), with a suitable 2.1mm power connector, centre pin positive (fused at 3A). 2. 2 metre audio input lead terminated with a 3.5mm mono jack plug. This lead connects to t ...

cancellation is active. n This is due to the time the DSP takes to start processing the signals. This gives the oppportunity to check that the DSP is not taking out any detail from the signal. 3.5 Troubleshooting Speaker doesn’t work at all, no sound from the speaker: n Check that the power ...