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99-00855-20 C0 Installing Your SMART Audio 240 System 5
The Infrared Sensors
You must choose to use either the receiver’s infrared sensor or the ceiling infrared sensor.
Install one sensor and ensure the following:
• There is a clear line of sight between the infrared sensor and the infrared transmitter on
the microphones.
• There are no wall or ceiling features, vents, projectors or other obstacles that block
the sensor.
NOTES
– Direct sunlight can interfere with infrared signals. Position the sensors in areas that
are shaded from direct sunlight.
– Sources of infrared light can interfere with the microphones’ infrared signal.
Receiver Infrared Sensor
You might choose to use the receiver’s infrared sensor for the following reasons:
• You’re using the microphones close to the receiver.
• There are no obstacles blocking the front of the receiver.
Position the receiver in front of the room so that it faces the back of the room. If you’re using
the receiver infrared sensor, install the receiver high enough above the heads of the audience
and other obstacles to ensure a clear line of sight with the infrared transmitters on the
microphones.
Ceiling Infrared Sensor
You might choose to use the ceiling infrared sensor for the following reasons:
• You’re not using the microphones close to the receiver.
• There are obstacles that block the front of the receiver.
Install the ceiling infrared sensor on the ceiling in a central location or above the area where
you use the microphones.