Audioaccess AVR21EN, Руководство по установке

Страница: 173 / 222

173
2. Connect the RG6 to the composite video input on the local zone video display. Confirm
proper AVH21 zone KP Video Output [pentagon 2] connection.
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
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 AFFECT 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. POLARITY: Red: +12VDC; White: IR Signal; Black: Ground.
2. CAREFULLY connect the KP21/IR Pigtail Connector to the IR IN Terminal [hexagon 22]
on the back of the KP21. Be careful to not damage the three connection pins in the IR IN
Terminal.
Figure 99 Connecting an External IR Sensor