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BHI ANEM Installation And Operating Manual

Noise away amplified noise eliminating module
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DSP Noise Cancellation
tel: +44 (0)845 217 9926
fax: +44 (0)845 217 9936
Page 28
bhi
bhi
bhi
bhi
bhi
bhi Ltd
P.O Box 318
Burgess Hill
West Sussex
RH15 9NR
sales@bhi-ltd.com
www.bhi-ltd.com
ANEM Operating Manual
bhi
bhi
bhi
bhi
bhi
'Noise Away'
ANEM
A
N
E
mplified
oise
liminating
I
O
nstallation and
perating
1065-102D
Issue E
ANEM Operating Manual
MKII
M
odule
M
anual
Page 1

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  • Page 1 Ltd P.O Box 318 Burgess Hill West Sussex RH15 9NR tel: +44 (0)845 217 9926 fax: +44 (0)845 217 9936 sales@bhi-ltd.com 1065-102D www.bhi-ltd.com Issue E Page 28 Page 1 ANEM Operating Manual ANEM Operating Manual...

  • Page 2: Important Information

    The audio level varies according to the volume with an aircraft adapter, so you setting of the equipment that the ANEM is being can now listen to the film, or CD used with. When you plug mono earphones into the...

  • Page 3: Table Of Contents

    Contents 1042 Switch box Allows connection of up to 6 Introduction pieces of equipment to one ANEM module features bhi noise elimination speaker DSP noise cancellation or any other extension Module Overview speaker. Whats in the box (Includes 2 free ALD001 Getting started 3.5mm audio leads)

  • Page 4: Introduction

    6.3 NEIM1031MKII In-line module. Then NEIM1031MKII provides a flexible solution to noise reduction. It The ANEM is a compact, easy to use amplified DSP in- features both amplified inputs and outputs, along with line level signal line module, and simply connects in between the processing.

  • Page 5: Dsp Noise Cancellation

    1.2 DSP Noise cancellation. • On/Off audio bypass switch. • Easy to install with adjustable mounting bracket The bhi DSP processes the incoming signal and then • 2m audio lead differentiates the speech from the noise. The unwanted • Optional extras avaiable.

  • Page 6: Module Overview

    5. Troubleshooting 2. Module Overview. 2.1 Whats in the box. The ANEM is supplied with the following. Please check that all of the items are present. 1 off ANEM MKII module 1 off Fused DC power lead 1 off 3.5mm mono leads...

  • Page 7: Mounting Options

    2.3 Mounting options. The input to the module has a low impedance. This is to The ANEM can be used on the bench, or attached to your provide correct loading to any power circuits driving it. If loudspeaker using the velcro strips supplied.

  • Page 8: Connections

    4.3.4 Other signal considerations. volume setting of the equipment that the ANEM is being The ANEM requires a signal of 125mV rms or greater for used with. When you plug mono earphones into the Audio optimum performance. Signals lower than this may be used...

  • Page 9: Module Operation

    FAQ page on the processing. bhi website and download the FAQ on RF breakthrough. A single press on the button switches the power on, and a Under certain conditions the DSP can create a small single press will switch it off.

  • Page 10: Set Up

    4 or 8 levels range of 13.8V - 16Vdc. scroll through 4 and 8 levels until the button is released. DSP button pressed Normal operation Figure 7. 4/8 level setting. Page 10 Page 19 ANEM Operating Manual ANEM Operating Manual...

  • Page 11: Demonstration Modes

    2. the case halves. Figure 13. ANEM case dis-assembly detail. Releasing after the third 2 tone beep will set the unit to level 2 in the 4 level mode. The following diagram shows the internal layout of the ANEM printed circuit board.
  • Page 12 Alternatively pass a clean tion modes hold down audio signal through the the DSP button until a module to see hear how little 2 tone beep is heard. the DSP alters the speech. Page 12 Page 17 ANEM Operating Manual ANEM Operating Manual...

  • Page 13: Noise Reduction Levels

    The module will retain this are doing. level until it is changed. The ANEM is factory set up and ready for use. If you are using the module in an application which requires adjustment. For the optimum performance refer to section 4 for more information.

  • Page 14: Electrical Characteristics

    = 4W a t l c i f = W W W W W = W W W W W Output power (W) ANALOGUE CHARACTERISTICS Table 3. Electrical characteristics 1 Page 14 Page 15 ANEM Operating Manual ANEM Operating Manual...

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