BHI NEDSP1962-KBD User & Installation Manual Download Page 3 | Manualshive

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2.1 Block Diagram of module

Figure 4. NEDSP1962 block diagram

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Summary of Contents for NEDSP1962-KBD

Page 1: ...9 to 40dB 8 filter levels Up to 65 heterodyne tone reduction Overall Gain control Input level overload indicator Easy to install between input and loudspeaker Frequency Response 50 Hz to 5 kHz Up to...

Page 2: ...y the label see figure 3 above Do not over tighten the mounting screw If the enclosure is too thin to use a countersunk screw such as fitting into sheet metal then an Instrument Head type screw may be...

Page 3: ...3 2 1 Block Diagram of module Figure 4 NEDSP1962 block diagram...

Page 4: ...switch assembly 2 1mm power socket with retaining nut and washer Power socket hole diameter 8mm Audio output wires White to speaker ve Blue to speaker ve Audio input wires Yellow audio input Black Si...

Page 5: ...there is an Audio Overload or Fault condition There is also an overload LED on the main pcb LED Status Indicator A Tri colour LED is provided on the keyboard PCB indicates the various module modes 2...

Page 6: ...from this module it should be set up such that the output level sounds the same whether the module is switched On or Off The input sensitivity has a range of 70mW to 3 Watts to provide a 7 Watt outpu...

Page 7: ...give you increased audio output Bear in mind that if the user may get a bit of a shock when the module is powered and the volume suddenly changes from a normally acceptable level to one that s quite l...

Page 8: ...0 Functions 4 1 Keyboard switch assembly The keyboard has 2 push buttons a Tri coloured LED and a Red LED Overload Fault Indicator Red Power On Off button Mode button Mode Indicator Tri colour M3 Moun...

Page 9: ...dule Off With the power connected and the module switched Off the circuit will still draw approximately 6mA 4 1 2 DSP Level Button This function button is used to set the following DSP filter On Off D...

Page 10: ...be heard indicating that the module is in the set up mode followed by three sets of two beeps then followed by 4 beeps and then 8 beeps Keep your finger on the mode button until you want to select eit...

Page 11: ...to 18 V 70 80 mA Current at Maximum Audio 400mA Audio Characteristics Parameter Test Conditions Min Typ Max Units Output Power Vs 10 V to 18 V 5 7 W Input Sensitivity 4 Load f 1kHz Po 0 5 W 100 mV p p...

Page 12: ...0 Physical Dimensions The following diagrams detail the physical dimensions of the module All dimensions are 6 1 Main PCB Physical dimensions 6 2 Keyboard hole drilling detail below drawing not to sc...

Page 13: ...ed or that one of the speaker wires has been grounded Check the speaker and or wiring for faults before trying to switch the module on again If the speaker works when the module is switched Off i e th...

Page 14: ...14 bhi Ltd 22 Woolven Close Burgess Hill West Sussex RH15 9NR England Telephone 44 0 1444 870333 Email sales bhi ltd com Web www bhi ltd com...

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