
Volume level
indicator for
this room only
Infrared signal
receiver
(VC201i only)
VC201 Keypad functions
Room power on and
volume up button
Mute button (volume
level led blinks)
Room power on,
volume down and
all room power off
button (hold down
button for three led
blinks)
systems
VC224pm
System status led and
infrared signal confirming
led (VC201i only)
Limited Warranty
Knöll Systems warrants VC224pm and VC226pm systems sold in the USA or Canada
by authorized Knöll dealers to be free from defects in materials and workmanship.
This warranty extends for three full years from the date of purchase by the
consumer. Any products returned freight prepaid to Knöll Systems and found to be
defective by Knöll Systems within the warranty period will be repaired or replaced
at Knöll Systems option, at no charge. Knöll Systems will not be responsible for the
actual cost of installation or removal of the product, nor for any consequential or
incidental damages. Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation or exclusion may not
apply to you. This warranty gives you specific legal rights. You may have additional
rights which vary from state to state. Knöll products sold outside of the USA and
Canada may be covered by warranties provided by an authorized Knöll distributor.
Please contact the distributor in the country that the Knöll product was purchased.
* DMS, Powermatch, Transformer free and Digicom
are trademarks of Knöll Systems
Printed in Canada
Knöll Systems, Richmond, BC & Point Roberts WA
COPYRIGHT 1998-2003, Knöll Systems, All Rights Reserved
C
Knöll Systems
tel (604) 272-4555
fax (604) 272-5595
In America:
145 Tyee Drive
Point Roberts, WA 98281
In Canada:
11791 Machrina Way #120
Richmond, B.C. V7A 4V3
VC226pm
Digital Four or Six Room
Stereo Volume Control System
INSTALLATION
AND OPERATION
MANUAL
Version 1.4

Congratulations and thank you for choosing the Knöll digital
stereo volume control system. This system is designed to
individually control stereo speakers in up to four or six rooms
with many advanced features. This product is a member of the
proprietary Knoll transformer-free family which are widely
regarded as the finest stereo volume controls made anywhere.
The VC224pm has four room capability and the VC226pm has
six room capability. The VC220pm has one room capability.
IR (Infrared) Outputs: The VC224pm and VC226pm feature infrared
outputs from any VC201i keypads. The signal gathered from most remote
controls can be routed to back to the source components to control various
aspects of those components (play, fast forward, change disk, change tuner
channel, etc.). To connect the VC224pm or VC226pm controller IR outputs,
simply connect the VC224pm or VC226pm IR connector to an infared
connection block's IR receiver input (without needing an IR connection block
power supply). Then connect single or dual infrared emitters to the
connection block and place the emitters on the stereo components to be
controlled at the stereo location.
Key Features:
1. Transformer-free sound quality. Being
transformer-free means the best sound quality possible in all
rooms without the phase and level problems associated with
conventional volume controls.
2. Contemporary keypad styling. The VC201 keypads
feature the latest Decora styling with six led power level
indicators. Colors are white, almond and ivory and the VC201
can be ordered with internal infrared receivers (VC201i).
VC201 keypads are all single gang.
3. Individual room start mute and turn on level
adjustment. Each room can "boot-up" muted or with the
sound on. The level of each room when the sound comes on can
be installer preselected (and changed later if required) from
either a quiet position 6 (of 17 total) or a louder position 12.
4. One or two VC201 keypads can be
connected in each room. Ever need volume controls on
both ends of a great room? This feature is available on all
Knoll digital volume controls without any extra adaptors.
5. Individual room infrared remote control. Each
room can have its volume raised or lowered, sound muted or
unmuted and power on or off with the RB8 remote when a
VC201i keypad is installed in that room. The VC201i also
passes component remote control signals to the source, such
as play, skip, AM/FM, etc.
6. Any or all rooms can be controlled by an
external controller instead of a keypad. Using
the VC224 or VC226 infared inputs to each room, a common
ground IR based controller can send remote commands.
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For controller based IR control of the VC226pm, the IR inputs must be
connected to each room RJ45. The IR signal must be common ground and are
the learned signals from our RB8 remote control. The RJ45 pin 3 is ground
and pin 6 is IR+ (pin counts are from the left).
Operation: The Knöll digital volume control is very easy to use. It has a
total of 17 different volume settings. Volume settings affect only the
room that they are in.
After the stereo is turned on, you may or may not have sound depending on
how the system was set up during installation.
To increase the volume (in this room only), push the rocker button up.
Hold the button up continuously and the volume will increase until maximum.
To lower the volume, push the rocker button down. Hold the button down
continuously and the volume will decrease until it mutes.
At any time firmly press the center of the switch to mute the volume. To
restore the volume press the rocker button up or down.
The RB8 remote control source buttons do not work with the VC224pm and
VC226pm as they have no source selection capabilities.
If infrared emitters where installed other (source) remote controls aimed
at the VC201i keypads will control the source components.
On VC201 keypads the lower led indicates that power to the system has
been switched on. The six side leds show the relative selected volume.
When in mute (center of rocker has been pushed) one of the side leds
blinks. To restore the volume press the rocker button up or down.
On VC201i keypads the lower center led blinks red when any IR signal is
passing through it.
Note: If the stereo is on and the Knöll digital volume controller has lost
power, it defaults to position #12.
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