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ENGLISH

7.3.1 Output Information 
 

This section displays the output selection made in 
the previous Output Setup page.

7.3.2 Test Signal

The CDA-4D includes a built-in pink noise generator. 
The pink noise signal can be used in conjunction 
with a spectrum analyser to measure the speakers.

Volume

 

The Volume setting here allows you change the 
volume of the pink noise. Changes applied here to 
the volume settings are independent to the Output 
Volume settings and will not affect those setting.

On/Off

 

The On/Off lets you play the test signal to the 
channel chosen.

7.3.3 Import, Export & Copy Presets

 

(available when a User Preset is selected)

This section allows import, export or copy of presets 
to or from a computer location. 

All Presets

 

IMPORT (all presets) allows importing of all saved 
presets from a computer. This is useful when 
setting up multiple amplifiers. 
 
EXPORT (all presets) allows saving all presets from 
the amplifier to a computer.

Single Preset

Note:

 Make sure you have selected a user 

preset from the dropdown before choosing an 
action (import/export)

IMPORT (single preset) allows importing of the 
selected presets from a computer.  
 
EXPORT (single preset) allows saving the selected 
preset from the amplifier to a computer.

Copy Presets

 

This allows duplicating of the selected preset.

Rename Presets

 

This allows changing the name of the 
selected preset.

7.3.4.a DSP Settings for 
Bowers & Wilkins products

 

Select each channel tab to modify channel settings.

Output Tab

 

Select output tab to make adjustment to speaker 
settings for each output channel.

Speaker

 

This shows the product model selected for the 
output channel.

Listening Mode 

(available when a Bowers & Wilkins 
subwoofer is selected) 
Listening Mode provides equalisation options 
for music or movie programme material.

Phase

 

(available when a Bowers & Wilkins 
subwoofer or a User Preset is selected)

 

Phase default is set at OFF, when turn ON, 
Phase will invert at 180°.

Delay

 

DELAY is shown in milliseconds, feet or meters. 
When a number is entered in any of the three fields, 
the other fields will be calculated automatically. 
The minimum delay is 0.01 milliseconds, and the 
maximum delay is 20 milliseconds. 

Tone Control

 

TONE CONTROL allows fine adjustment  
to the BASS and TREBLE.

Summary of Contents for CDA-4D

Page 1: ...CDA 4D Distribution Amplifier...

Page 2: ...our installation Features 4 channel amplification in 2 zones with 125 watts per channel delivering high resolution audio Engineered to work with Bowers Wilkins installation speakers and subwoofers Hig...

Page 3: ...tuer les connexions Unit fuses may only be changed by skilled personnel fuse may be in the neutral mains should be disconnected to de energize the phase conductor Les fusibles de l appareil ne peuvent...

Page 4: ...the ventilation apertures are not obstructed If the system is taken out of use for a long period disconnect the amplifier from the mains power supply The CDA 4D is supplied with two rack mounting ears...

Page 5: ...s LEDs 3 1 Reset Button Using the factory reset can erase all setting and revert the amplifier back to the factory flashed firmware Reboot This allows the device to gracefully shut down and restart a...

Page 6: ...le on the network to other Bowers Wilkins CDA devices see Diagram 6 Refer to section 7 2 1 on how to setup your amplifier Analogue Input Primary Analogue Inputs 1L 1R Use these inputs for primary audi...

Page 7: ...erly Check the polarity of the speakers and wires before connecting to the amplifier To connect bridged tied load speakers see Diagram 10 1 Select BRIDGE TIED LOAD in the Product Configuration Page 2...

Page 8: ...ser 5 Enter the CDA 4D default network address product name serial number for example http cda 4d_XXXX xxxxxxx local in the browser address field and press return This will open the Product Configurat...

Page 9: ...al amplifier settings The following section will take you through each of the functions on this tab 7 1 1 Information In this section the user can add a name for the CDA 4D amplifier and enter the ins...

Page 10: ...is set to Auto Detect ON In this mode signal sense and 12V Trigger are turned off The amplifier will always stay on AUTO DETECT This mode uses signal sense to turn the amplifier on 12V TRIGGER In thi...

Page 11: ...cted alerts are triggered 7 1 6 Settings Management Import Restore and Export Settings The Import Restore and Export button allows you to import and export saved settings from a location from your com...

Page 12: ...2 Input Output Settings In the Input Output Settings tab configuration of the routing for each input to a selected output can be made here Mode of use individual trim level and volume parameters can...

Page 13: ...g devices are able to recognise each other on the network The sibling device will be shown in the INPUT SOURCE drop down with the serial number or friendly name of the device shown in the list You wil...

Page 14: ...type of Bowers Wilkins products available for selection in the next section Examples of the mode and configuration Bridge Tied Load Mode When more power is required two channels can be bridged into o...

Page 15: ...5 Output Source Priority Source 1 This is the primary source you will direct to the speakers Left inputs default to left outputs and right inputs to right outputs Source 2 This is used as a secondary...

Page 16: ...CDA 4D is designed to provide the best audio quality when used with Bowers Wilkins speakers When a third party product is being used select an User Preset in the Speaker selection Fine adjustments ca...

Page 17: ...17 ENGLISH Third party products when a User Preset is selected...

Page 18: ...opdown before choosing an action import export IMPORT single preset allows importing of the selected presets from a computer EXPORT single preset allows saving the selected preset from the amplifier t...

Page 19: ...increase or decrease the gain at selected frequency Filter Type Filter Type available Parametric High Shelf or Low Shelf Crossover This is where High Pass HP or Low Pass LP crossover filters can be ap...

Page 20: ...e Registration Evaluation Authorisation and restriction of Chemicals REACH and the disposal of Waste Electrical and Electronic Equipment WEEE Consult your local waste disposal authority for guidance o...

Page 21: ...V trigger input threshold typically 3V recommended input is 5 15V Controls Indicators Front panel 1 x Power LED Unit active White Fault Red 1 x Network status LEDs Network present White Fault Red 2 x...

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