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NEDSP1061-KBD Operating Manual
1.
Introduction
1.1
NEDSP1061-KBD features
6
1.2
Limitations
6
1.3
Audio DSP noise cancellation
7
2.
Module description
2.1
Module layout
8
2.2
Connections
8
2.3
Electrical characteristics
9
2.4
Controls
9
2.4.1 Input level
9
2.4.2 Output level
9
2.4.3 Beep volume level
9
2.4.4 Overload LED
9
2.5
Module mounting
10
3.
Installation
11
3.1
Introduction
11
3.2
Circuit location
11
3.3
Fitting
12
3.3.1 Audio connections
12
3.3.2 Power connections
13
4.
Setup
14
5.
Troubleshooting
15
6.
Operation
16
6.1
Introduction
16
6.2
Operation
16
6.3
Demonstration mode
17
6.4
Notes about noise reduction
18
6.5
Noise reduction level
18
Contents