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+12VDC Control Connection
If the +12VDC trigger is going to be used, it
should be connected as shown right. An
external amplifier is being used for this
example, however the external device could
be any device that employs a control trigger
circuit. The plug must be wired as tip (+) and
the sleeve (-). The diagram at right shows a
B& K amplifier controlled with the +12Volt
control.
ZONE B CONNECTIONS
Your B& K preamplifier is capable of controlling a second independent analog audio and composite video or
S-video zone. This second zone could encompass a small room or large area depending on how much
amplification is supplied. The second zone is strictly analog audio, composite video and/or S-Video. There is
no transcoding for Zone B. The composite video and analog (stereo) audio must be connected to the pream-
plifier in order to be seen and heard in the second zone. Control for the second zone can be accomplished
by using a remote control or by connecting a CK1.2 Keypad. See page 21 for keypad connection description.
The audio and video output signals are connected from the Zone B outputs on the back panel of the pream-
plifier to a Zone B video monitor and a Zone B amplifier.
Zone B Audio Amplification
To connect an amplifier for second zone (Zone B) audio, connect RCA type audio cables between the Zone B
left and right output to the second zone amplifier. The Zone B audio output can be configured fixed or
variable. Connect the second zone video cable to the Zone B composite or S-video output. The second zone
has the ability to link power and/or source input to the main theater zone. From the factory, the second zone
is configured as a separate, independent audio and video zone. To configure the Zone 2 audio settings, see
page 38. The diagram on page 20 illustrates how a Zone B amplifier should be connected to the Reference
50 Series2.
Zone B Video Connection
To connect a video monitor for second zone (Zone B) video, connect RCA type or S-video type video cable
between the Zone B composite or S-Video output to the second zone video monitor. The Zone B video
output will not display the On Screen Menu. Zone B video is not transcoded. The diagram on page 20 illus-
trates how a Zone B Video monitor should be connected to the Reference 50 Series2.
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HARDWARE CONNECTIONS