BHI Noise Away Manuel de service télécharger pdf (Page 8)

Page 8

2.4 Controls.

Controls are provided to allow the NEDSP1061-KBD to

be integrated in to the target system. 3 level controls are

provided.

2.4.1 Input Level:

To set the audio level to the optimum level for the DSP.

2.4.2 Output Level:

To match the output level of the DSP module to that of

the following stage.

2.4.3 Beep volume level:

Allows the user to adjust the beep volume control to suit.

The beep volume can be reduced to zero if required.

The modules are factory set to the maximum level.

Turning the potentiometers anti clock wise will increase

the levels.

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2.3 Electrical characteristics.

Table 1. NEDSP1061-KBD Electrical characeristics

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4. Setup

The levels come factory set to the maximum position.

This should be adequate for most applications. However

the module can be adjusted as follows.

Tune the equipment to a strong signal.

Switch off the noise reduction (LED will illuminate RED).

Adjust the input P2 until the overload led illuminates.

Back off the pot slightly.

Adjust P3 to give the correct listening volume, without

distortion.

Adjust P1 to give the desired beep volume level, or off if

required.

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BHI Noise Away Manuel de service Page 8