Connecting an External IR Sensor
In some installations, the keypad will not be mounted on the same
wall as the speakers and video display, the focal point of the room.
In fact, the keypad may be mounted behind the seating area,
making use of the KP21R remote control a bit awkward. In these
situations, an external IR sensor can be connected to the keypad
and mounted in a more convenient location, allowing normal
“line of sight” use of the remote.
There is a wide variety of IR products to choose from. Most
standard 12V IR sensors will work with the KP21 and KP21R.
NOTE: Always avoid mounting IR sensors in locations exposed
to bright electrical lighting or sunlight. Exposure to light
sources can interfere with the IR sensor’s being able to “see”
the IR commands from the remote control. Also try to avoid
mounting an IR sensor near light dimmers, as some dimmers
radiate sufficient amounts of RF (radio frequency) noise to
interfere with the sensor. NEVER INSTALL AN IR SENSOR IN THE
SAME ELECTRICAL BOX AS HIGH-VOLTAGE DEVICES SUCH AS
LIGHT SWITCHES, AS THIS CAN HAVE AN ADVERSE EFFECT ON
SYSTEM PERFORMANCE AND IS A VIOLATION OF ELECTRICAL
CODE IN MOST PLACES. To connect an external IR sensor:
1. Using 24AWG three-conductor stranded, non-shielded wire,
connect the +12V, Ground and IR-Out terminals on the IR
sensor to the
KP21/IR Pigtail Connector using wire nuts or
a terminal strip. Check polarity. Red: +12VDC; white: IR signal;
black: ground.
2. CAREFULLY connect the
KP21/IR Pigtail Connector to the
IR-In Terminal on the back of the KP21. Be careful to
not damage the three connection pins in the IR IN Terminal.
TV/Video Display
1. Terminate the RG6 coaxial cable connected to the proper
AVH21-zone
KP Video Output using the correct termination
for the TV/video display input. (Most composite video input jacks
are RCA-type connectors.)
2. Connect the RG6 to the composite video input on the local-zone
video display. Confirm proper AVH21-zone
KP Video Output
connection.
Speakers
1. Using 16AWG two-conductor stranded wire, strip approximately
1/4" and twist the ends until there are no loose strands that can
cause shorts.
2. Insert the twisted ends into the appropriate slots on the
R+/R–
and L+/L– Speaker (SPK) Terminals on the KP21 rear
panel, as shown in
Figure 31, and tighten with a small-blade
screwdriver. Pull the wire slightly to confirm connection.
Confirm polarity.
3. Terminate and connect speaker ends, as appropriate.
Confirm polarity.
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Multiroom Installation and Setup