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4 Installing Your SMART Audio 240 System 99-00855-20 C0
Determining the Best Location for Your SMART Audio 240 System
Before you begin installation, consider the size and shape of your room, and then choose the
best location for the receiver, speakers and ceiling infrared sensor.
The Receiver
The receiver is the central control unit of your audio system. Install it into a media rack (not
included) with other electronics or in a location that’s accessible to the presenter and safe from
tampering. See page 7 for more information on installing the receiver infrared sensor.
The Speakers
Your audio system includes either ceiling or wall speakers. You can install the ceiling speakers
into drop ceiling tiles and you can install the wall speakers on a wall.
Wall Speakers
You might choose wall speakers for the following reasons:
• You have a ceiling that’s too high for speaker installation or for the speakers to
be effective.
• You don’t have a drop ceiling or your ceiling is made of a material that makes speaker
installation difficult.
Install two wall speakers so that they provide audio to the center of the room and install the
other two wall speakers so that they provide audio to the back of the room.
NOTE: Audience members who sit in the front of the room can hear the speaker’s voice
without the aid of speakers.
Ceiling Speakers
You might choose ceiling speakers for the following reasons:
• You have a drop ceiling.
• Your walls are too far from the audience for the speakers to be effective.
• Your walls are made of a material that makes speaker installation difficult.
Install the ceiling speakers so that they’re spaced evenly above the audience area.
Audio feedback (a loud, high-pitched sound) occurs when a microphone receives audio from
the speakers. To avoid audio feedback, follow these guidelines:
• Install the speakers at a distance far enough away from the area where you use
the microphones.
• Lower the receiver’s volume if audio feedback occurs.
• Move the microphone away from the receiver if audio feedback occurs.