Cambridge Audio Switch Incognito BK10 User Manual

BK10  
A-BUS table-top keypad  
Installation Guide  
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BK10 Table-top keypad  
CONTENTS  
Introduction...........................................4  
Configurations.......................................5  
A-BUS Ready / Incognito Ready............6  
Full Incognito system.............................8  
Installation notes.................................10  
Rear panel connections......................11  
Keypad controls...................................12  
Remote control....................................13  
Operating instructions........................14  
Local source selection........................16  
Technical specifications......................18  
Limited warranty..................................19  
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INTRODUCTION  
Thank you for purchasing this Cambridge Audio Incognito product. Incognito is  
a cost-effective, modular based multi-room system using standard Cat-5/5e or  
Cat-6 cable to distribute hi-fi quality sound and video around a home.  
TM  
The BK10 is an A-BUS compatible amplified keypad unit with buttons for  
control of speaker volume levels, Standby/On and source select (with  
compatible Cambridge Audio equipment), as well as having an IR window for  
both receiving remote control signals and passing them to connected source  
equipment (IR pass-through). The BK10 can connect to the Incognito Ready  
outputs of Cambridge Audio receivers and amplifiers, or A-BUS hubs and A-BUS  
Ready receivers from other manufacturers, using Cat-5 wiring. The BK10 then  
connects to speakers using conventional speaker cable.  
Thanks for taking the time to read this manual, we do recommend you keep it  
for future reference.  
Matthew Bramble  
Technical Director  
The crossed-out wheeled bin is the European Union symbol for indicating separate  
collection for electrical and electronic equipment. This product contains electrical  
and electronic equipment which should be reused, recycled or recovered and should  
not be disposed of with unsorted regular waste. Please return the unit or contact the  
authorised dealer from whom you purchased this product for more information.  
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BK10 Table-top keypad  
CONFIGURATIONS  
The BK10 can be used in two types of configurations:  
1. As an A-BUS Ready / Incognito Ready keypad attached directly to the back of  
an amplifier / receiver.  
2. In a full A-BUS or Incognito Multi-Room system attached to a hub.  
A-BUS Ready / Incognito Ready allows one or two keypads (and a PSU) to be  
simply connected to a hi-fi unit to allow a simple 2/3 zone multi-room system to  
be constructed.  
Alternatively when a dedicated A-BUS hub is used the system has many more  
options available such as sub-zones, local inputs and video switching.  
Please see www.cambridge-audio.com for more details.  
TM  
For both possibilities, as the BK10 is compatible with the A-BUS standard, the  
unit works with any manufacturers A-BUS compatible products, however source  
selection from the keypad is only possible with Cambridge Audio’s own  
Incognito A-BUS system or Incognito Ready outputs on Cambridge Audio hi-fi  
units.  
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A-BUS READY / INCOGNITO READY  
In this configuration the keypad is connected directly to the amplifier/receiver.  
A power supply unit (Incognito PS5) is also required to power the one or two  
keypads. Refer to the diagrams for system connection details:  
Speaker  
cable  
Speaker  
cable  
LR10  
BK10  
BK10  
Cat5/5e cable  
PS5  
Power  
CAP5  
Protection LED  
indicators:  
Multi-Room  
IR1  
azur 640A Integrated Amplifier V2.0  
Designed in London, England  
IR3  
IR4  
p e d I m a n c e  
R i g h t  
4
-
8
o h m s  
Control Bus  
On  
Off  
R i g h t  
A
t
L e f  
B
t
L e f  
IR Emitter  
In  
PS
I
Keypad  
1
Keypad  
2
Max Power Consumption: 700W  
Fault requiring  
service (DC)  
In  
Out  
Mains Voltage Selector Switch (50 / 60Hz)  
Amplifier  
(eg 640A  
V2.0)  
Over temperature  
Temporary overload  
Loudspeaker short  
International Patent Pending LeisureTech Electronics Pty Ltd  
c e u t M A  
IR2  
D
P r e - O u t  
p a e  
T
I n  
e c R O u t  
1
O
R
2
/ V  
D
D V  
B A  
u
T
n e r  
/
D
C D  
x
A u  
Power AC  
t
L e f  
Left  
Vol  
Auto  
Clipping  
Please refer to  
your User's Manual  
for more information  
R i g h t  
Right  
A
Left  
Right  
ohms  
B
Left  
Right  
Manufactured in an  
ISO9002 approved facility  
Impedance  
Loudspeaker Terminals  
4
-
8
Pre-Out  
Tape In  
Rec Out  
1
Rec Out  
2
AV  
/
MD  
DVD  
Tuner  
/
DAB  
CD  
Aux  
Important  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Caution Risk of electric shock. Do not open. Avis Risque de choc electrique. Ne pas ouvrir. Achtung Vorm öffnen des gërates. Netzstecker ziehen.  
Mini-jack lead  
azur 640C  
Compact Disc Player  
Open  
Close  
Play  
Pause  
Skip  
Scan  
Standby  
/
On  
Stop  
IR10  
CD player  
(eg 640C  
V2.0)  
Class  
Luokan  
Klass  
1
Laser Product  
Laserplaite  
Laserapparat  
L i n e O u t p u t  
Left  
1
1
Designed in London, England  
Control Bus  
In Out  
IR Emtter  
In  
Digital Outputs  
Mains Voltage Selector Switch (50 / 60Hz)  
t
L e f  
azur 640C Compact Disc Player V2.0  
On Power Off  
Max Power Consumption: 18W  
Risk of electric shock  
Caution  
Do not open  
R i g h t  
Right  
Risque de choc electrique  
Ne pas ouvrir  
Avis  
Line Output  
S/P DIF  
Co-axial  
Toslink  
Optical  
Vorm offnen des gerates  
Achtung  
Power AC  
Netzstecker ziehen  
Manufactured in an  
ISO9002 approved facility  
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BK10 Table-top keypad  
Speaker  
cable  
Cat5/5e  
cable  
The BK10 comes with 10 metres of Cat5 connection cable, but an Incognito  
CP20 cable pack (with 20 metres of cable, 2 x 3.5-3.5 connection cables and a  
punch-down/wire stripper tool) can be purchased separately.  
To allow control of your source equipment from the remote rooms an IR emitter  
(IR10) is plugged into one of the IR outputs on the rear of the unit and then  
attached over the IR window of the source unit. Alternatively, on our own  
products that feature IR emitter Inputs, a mini-jack to mini-jack lead can be  
used.  
Commands received by the keypads can now be sent back to the source  
equipment via the amplifier. It is then possible to control the source equipment  
from the remote rooms by using the source equipment's own remote controls  
or through a learning remote. The Incognito LR10 Learning Remote can fully  
control the keypads, “learn” the source's remote controls and change source  
input on the amplifier etc.  
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FULL INCOGNITO SYSTEM  
The BK10 keypad can also be used as part of a full Incognito system, where it is  
plugged into an Incognito hub (AH10), perhaps with other Incognito accessories  
such as a video switching unit (VH10) or local input module (LM10) fitted. See  
the diagram below for an example of an Incognito system.  
Speaker  
cable  
Speaker  
cable  
BK10  
KP10 EU  
Cat-5/5e cable  
AH10  
PS10  
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BK10 Table-top keypad  
Note: When using a BK10 keypad with an AH10 hub, an Incognito PS10 power  
supply unit MUST be used.  
Please consult the AH10 Incognito Multi-Room Installation Guide for full details  
of the various options available for the full Incognito system.  
IMPORTANT! The BK10 is default set to the A-BUS Ready/Incognito Ready  
configuration. For use in a full Incognito system, the mode switch (located  
inside the keypad block) must be set to the alternative “AH10” mode.  
Use a screw driver to carefully remove the backplate and set the mode switch to  
the "AH10" position as shown below:  
BK10 rear  
Note: Setting the mode switch to the wrong setting can cause erroneous  
operation!  
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INSTALLATION NOTES  
Avoid placing the keypad where there is line of sight to another keypad. In such  
situations both keypads may pick up the same commands from a remote  
control and it will be difficult to control each zone independently.  
Avoid placing the BK10 where there is line of sight to the source equipment for the  
system. In such situations the source equipment may pick up the same IR  
commands directly as are picked up by the keypad and sent to the source  
equipment. This can interfere with the remote operation of the source equipment.  
Do not place the keypad in areas directly lit by strong sunlight or where it will be  
strongly lit by fluorescent tubes. These can be sources of infra-red energy which  
can interfere with the remote control operation of the system. Some plasma  
televisions can radiate a lot of infra-red energy and care should be taken if fitting  
a BK10 near a plasma screen television. Avoid placing the BK10 near to dimmer  
switches or other items, which generate a lot of electrical noise.  
Safety precautions  
The BK10 runs on 24V DC supplied through the connecting cable. As such  
there is no mains voltage present in the BK10 and the unit is often safe to  
place in areas where only extra low voltage (ELV) equipment is permitted.  
However, it is imperative that you always check the wiring regulations in force  
for your application and area.  
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BK10 Table-top keypad  
REAR PANEL CONNECTIONS  
1
Speaker output  
Connect to a pair of speakers with two  
runs of standard high-quality speaker  
cable. Speakers of at least 88dB SPL  
for 1W @ 1 metre efficiency should be  
used with the BK10. Speakers from  
4–8 ohms can be used.  
2
Cat5 to BK10  
A Cat-5 cable (terminated with an  
RJ45 jack plug) is used to connect the  
BK10 to an AH10 hub or A-BUS Ready  
receiver.  
2
1
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KEYPAD CONTROLS  
1
-
6
The six LEDs indicate the  
volume level of the BK10. The LEDs  
also also display the source selected  
when the source is changed and can  
also show the status of some other  
functions. For full instructions on  
volume adjustment, source selection,  
sound adjustment and local source  
selection modes, refer to the  
‘Operating instructions’ section of this  
guide.  
3
4
8
5
2
1
6
11  
7
7
Standby/On  
9
Press to switch the keypad between  
On and Standby mode. By pressing  
and holding the Standby button for  
10  
about  
2
seconds, all BK10s  
connected to the AH10 hub will be  
turned off. If the BK10 is connected to  
a Cambridge Audio Incognito Ready  
Amplifier rather than an AH10 hub,  
the amplifier will be turned off.  
12  
8
Volume up  
Press to increase the volume or other  
sound adjustment.  
9
Source select (right)  
Use this key to select the current  
active source.  
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BK10 Table-top keypad  
10  
Volume down  
Press to decrease the volume or other sound adjustment.  
11  
Source select (left)  
Use this key to select the current active source.  
12  
IR window  
Point the Incognito LR10 Learning Remote towards this window. A small  
flashing LED behind this window indicates operation.  
REMOTE CONTROL  
The BK10 can be used with the Incognito LR10 remote control, a sophisticated  
learning remote which is able to learn the codes of all the  
source equipment remotes. Once programmed the user  
can thus use the LR10 to perform all operations from one  
remote.  
The LR10 is also suitable where the BK10 is to be  
connected to the A-BUS Ready outputs of AV receivers and  
amplifiers instead of one of our hubs as it can learn the  
relevant source change commands etc of the receiver or  
amplifier as well as the source equipment.  
Please refer to the Incognito LR10 manual for further  
information.  
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OPERATING INSTRUCTIONS  
Volume adjustment  
Volume is adjusted using the volume up and volume down buttons on the  
keypad or remote; this is indicated on the keypad by the intensity of the blue  
LED lights, there are four levels of intensity per LED.  
Source selection  
The Source left and right buttons allow you to choose from multiple connected  
sources. The LED display will indicate which source is selected.  
Sound adjustment modes  
Pressing the Power/Standby button while holding the Volume down key  
activates the sound adjustment modes, the four central LEDs on the keypad  
will then light in sequence to indicate each of the four sound adjustment  
modes in turn; Bass, Treble, Balance and Fader. These modes can also be  
activated using the 'Select' button on the remote control.  
After holding both buttons down for a short period, the second LED on the  
keypad will light indicating that Bass adjust mode has been activated. In this  
mode pressing the Volume up/down keys will adjust the Bass (low frequencies)  
level.  
Continuing to hold both keys down will light the third LED indicating that Treble  
adjust mode has been activated. In this mode pressing the Volume up/down  
keys will adjust the Treble (high frequencies) level.  
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BK10 Table-top keypad  
Bass Treble Balance Fader  
Continuing to hold both buttons will light the  
fourth LED indicating that Balance adjust mode  
has been activated. In this mode pressing the  
Volume up/down keys will adjust the sound level  
between the left and right speakers.  
Continuing to hold both buttons will light the fifth  
LED indicating that Fader adjust mode has been  
activated. In this mode pressing the Volume  
up/down keys will adjust the balance between  
the main speakers and the pre-amp output. The  
pre-amp output is on the rear of the KP10 and not  
accessible from the back of the BK10.  
The volume up and down buttons on the remote  
control can also be used to adjust the sound in  
each mode.  
Note: If no adjustment is made the system will  
automatically go back to volume adjustment after  
two seconds.  
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LOCAL SOURCE SELECTION  
Note: This feature is only available if the BK10 is part of a full Incognito multi-  
room system with one or two Local Input Modules (LM10) fitted.  
LR10  
Speaker  
cable  
BK10  
Cat5/5e cable  
AH10  
Cat5/5e  
cable  
L
LM10  
R
IR Out  
Audio In  
Local Input  
Phono-phono interconnect cable  
IR10  
azur 640C  
Compact Disc Player  
CD player  
(eg 640C  
V2.0)  
Open  
Close  
Play  
Pause  
Skip  
Scan  
Standby/On  
Stop  
The local source selection mode will need to be activated to configure the  
BK10 correctly. This mode is only available when the Mode Switch is set to  
“AH10” mode. LM10s can only be used with an AH10 hub.  
Please refer to your LM10 Installation Guide for more information.  
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BK10 Table-top keypad  
2
3
4
5
Pressing the Select left or right buttons on the  
keypad allows you to rotate through all six sources  
as default. However, it is possible to allow the  
addition of one or two local sources by accessing  
Local source selection mode. To enter this mode  
press the Volume up button simultaneously with  
the Power button for four seconds; the LED  
display will then scroll through the sequence  
shown in the illustration and described as follows:  
After holding both buttons down for  
a
short  
period, LED 2 will light indicating that Sources  
1–6 (default) are available for selection.  
Continuing to hold both keys down will light LED 3  
indicating that Sources 1–6 + Local source 1  
mode is available for selection.  
Continuing to hold both buttons will light LED 4 -  
indicating that Sources 1–6 + Local source 1 +  
Local source 2 mode is available for selection.  
Continuing to hold Volume up and Power buttons will light LED 5, to indicate  
that Off mode is available for selection, and no source will be selected.  
To select these modes, wait till the corresponding LED is lit and then release  
Power and Volume up buttons.  
Note: If no adjustment is made the system will automatically go back to volume  
adjustment after two seconds. If “Standard A-BUS/Incognito Ready” mode is  
selected on the Mode switch, the BK10 will only rotate round the main 6  
sources.  
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TECHNICAL SPECIFICATIONS  
Input impedance  
Frequency response  
THD  
45 k ohms  
20Hz – 20kHz +/- 1dB  
<0.2% @ 1W, 20Hz – 20 kHz  
> 80 dB ‘A’ weighted  
S/N ratio  
Volume control range  
Bass control range  
Treble control range  
Balance control range  
Preamp output  
IR pass through  
-80 dB, 36 steps  
+/- 16 dB, 2 dB steps  
+/- 16 dB, 2 dB steps  
+/- 40 dB, 9 steps either way  
Variable level, follows volume setting  
34–40 kHz and 54–58kHz  
modulation frequencies supported  
4–8 ohms  
Speaker impedance  
Power requirement  
24V DC @ 1A max (supplied by hub)  
This guide is designed to make installing and using this product as easy as possible. Information in this  
document has been carefully checked for accuracy at the time of printing; however, Cambridge Audio's policy is  
one of continuous improvement, therefore design and specifications are subject to change without prior  
notice. If you notice any errors please feel free to email us at: [email protected]  
This document contains proprietary information protected by copyright. All rights are reserved. No part of this  
manual may be reproduced by any mechanical, electronic or other means, in any form, without prior written  
permission of the manufacturer. All trademarks and registered trademarks are the property of their respective  
owners.  
Incognito and Incognito Ready are trademarks of Cambridge Audio Ltd. All rights reserved.  
© Copyright Cambridge Audio Ltd 2006  
A-BUS and A-BUS Ready are registered trademarks of LeisureTech Electronics Pty Ltd Australia.  
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BK10 Table-top keypad  
LIMITED WARRANTY  
Cambridge Audio warrants this product to be free from defects in materials and workmanship  
(subject to the terms set forth below). Cambridge Audio will repair or replace (at Cambridge Audio’s  
option) this product or any defective parts in this product. Warranty periods may vary from country to  
country. If in doubt consult your dealer and ensure that you retain proof of purchase.  
To obtain warranty service, please contact the Cambridge Audio authorised dealer from which you  
purchased this product. If your dealer is not equipped to perform the repair of your Cambridge Audio  
product, it can be returned by your dealer to Cambridge Audio or an authorised Cambridge Audio  
service agent. You will need to ship this product in either its original packaging or packaging  
affording an equal degree of protection.  
Proof of purchase in the form of a bill of sale or receipted invoice, which is evidence that this product  
is within the warranty period, must be presented to obtain warranty service.  
This warranty is invalid if (a) the factory-applied serial number has been altered or removed from this  
product or (b) this product was not purchased from a Cambridge Audio authorised dealer. You may  
call Cambridge Audio or your local country Cambridge Audio distributor to confirm that you have an  
unaltered serial number and/or you purchased from a Cambridge Audio authorised dealer.  
This warranty does not cover cosmetic damage or damage due to acts of God, accident, misuse,  
abuse, negligence, commercial use, or modification of, or to any part of, the product. This warranty  
does not cover damage due to improper operation, maintenance or installation, or attempted repair  
by anyone other than Cambridge Audio or a Cambridge Audio dealer, or authorised service agent  
which is authorised to do Cambridge Audio warranty work. Any unauthorised repairs will void this  
warranty. This warranty does not cover products sold AS IS or WITH ALL FAULTS.  
REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY ARE THE EXCLUSIVE REMEDY  
OF THE CONSUMER. CAMBRIDGE AUDIO SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR  
CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN THIS  
PRODUCT. EXCEPT TO THE EXTENT PROHIBITED BY LAW, THIS WARRANTY IS EXCLUSIVE AND IN LIEU  
OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES WHATSOEVER INCLUDING, BUT NOT LIMITED  
TO, THE WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PRACTICAL PURPOSE.  
Some countries and US states do not allow the exclusion or limitation of incidental or consequential  
damages or implied warranties so the above exclusions may not apply to you. This warranty gives you  
specific legal rights, and you may have other statutory rights, which vary from state to state or  
country to country.  
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