Bogen NYQUIST NQ-A4060 Feuille d'instructions

4-Channel Audio Power Amplifiers

Configuration Manual

NQ-A4060, NQ-A4120, NQ-A4300

2019 Bogen Communications, Inc.

740-00099D

191101

Contents

List of Figures ............................................................................... v

List of Tables .............................................................................. vii

Configuring the Four-Channel Audio Power Amplifiers 1-1

1 Using the Dashboard ..............................................................................3

2 Updating Firmware ..................................................................................4

3 Setting Network Tab Parameters .......................................................6

4 Setting Configuration Tab Parameters ............................................8

5 Accessing Log Files ............................................................................... 10

6 Setting DSP Parameters ...................................................................... 13

6.1 Setting the Channel Level .................................................. 15

6.2 Signal LED, Clip LED, and VU Meter .............................. 15

6.3 Muting a Channel ................................................................. 16

6.4 Adjusting Volume Levels ................................................... 16

6.5 Adjusting Compression Settings .................................... 16

6.6 Adjusting the Graphic Equalizer ..................................... 18

6.7 Setting High/Low Pass Parameters ................................ 20

6.8 Adjusting the Limiter ........................................................... 23

6.9 Adjusting Noise Gate Settings ......................................... 24

6.10 Adjusting Parametric Equalizer Settings ...................... 25

6.11 Adjusting Router Settings ................................................. 27

6.12 Settings ..................................................................................... 28

6.13 Signal Present ........................................................................ 30

6.14 Status ......................................................................................... 32

List of Figures

Figure 1, Nyquist Appliance Login . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Figure 2, Matrix Mixer Pre-Amp Dashboard . . . . . . . . . . . . . . . . . . . 2

Figure 3, Firmware Update Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 4, Network Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 5, Appliance Configuration Settings. . . . . . . . . . . . . . . . . . . . 9

Figure 6, Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 7, DSP Page with Channel Drop-Down Menu . . . . . . . . . . 13

Figure 8, Compressor Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 9, Graphic EQ Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 10, High/Low Pass Parameters . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 11, Limiter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 12, Noise Gate Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 13, Parametric Equalizer Settings . . . . . . . . . . . . . . . . . . . . . 25

Figure 14, Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 15, Router for Single Channel Bridged Mode and

2 Mono Mode Channels . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 16, Settings Parameters for 2 Channel Mono. . . . . . . . . . . 29

Figure 17, Settings Parameters for 2 Single Channel Bridged . . . 29

Figure 18, Signal Present Parameters. . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 19, Status for 2 Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Figure 20, Status When Channels 1 and 2 Are Bridged. . . . . . . . . 32

vii

List of Tables

Table 1, Appliance Dashboard Read-Only Fields . . . . . . . . . . . . . . . 3

Table 2, Appliance Dashboard Buttons . . . . . . . . . . . . . . . . . . . . . . . 3

Table 3, Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 4, Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 5, Device Stations Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 6, Logs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 7, DSP Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Table 8, Compressor Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 9, High Pass/Low Pass Parameters. . . . . . . . . . . . . . . . . . . . . 21

Table 10, Limiter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 11, Noise Gate Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 12, Signal Present Parameters. . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 13, Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

viii

Configuring the Four-Channel

Audio Power Amplifiers

Bogen’s Nyquist-based networked four-channel audio power ampli-

fiers (NQ-A4060, NQ-A4120, NQ-A4300) support small, medium, and

large Nyquist intercom solutions in schools and in commercial

paging and public address solutions.

Available in 240, 480, and 1200-watt models, the audio power ampli-

fiers provide flexibility and versatility without the need for add-on

modules. Each model offers state-of-the-art, built in Digital Signal

Processing (DSP) software that includes factory loudspeaker presets

and that turns the amplifier into a complete audio solution.

A short press of the appliance’s Reset button reboots the device. If

you press the Reset button for 10 seconds, the appliance returns to

the factory default configuration settings. Returning to the default

configuration settings does not change the appliance’s firmware.

The following sections describe the process for manual configuration.

For information about using Nyquist’s automatic configuration pro-

cess, refer to the Nyquist System Administrator Manual.

To access the appliance’s UI:

Step 1 Access the appliance’s web UI by doing one of the fol-

lowing:

a On your web browser, enter the IP address for the

appliance as the URL.

b From the Nyquist web UI navigation bar, select Sta-

tions, select Stations Status, navigate to the device

that you want to configure, and then select the Link

icon.

Note: Do not use third-party Chrome browser extensions with the

Nyquist user interface.

Step 2 At the Nyquist Appliance - Login page, enter username

and password, and then select Login.

The default username is admin; the default password is

bogen.

The dashboard for the selected appliance appears.

Figure 1, Nyquist Appliance Login

Figure 2, Matrix Mixer Pre-Amp Dashboard

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