Polycom EX Guía De Referencia

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Chapter 2 - Setting Up Your System Hardware
© Polycom, Inc.
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Other Optional Components
You can add several other optional components to your system, such as those 
listed below. For more information, see your Polycom distributor.
Touch panel — Allows you to operate the system with a touch panel rather 
than the remote control.
VS4000 only: External infrared (IR) sensor — Allows you to install the system 
out of sight and use a camera that does not include a built-in IR sensor.
Audio mixer — Lets you enhance the sound quality for calls in large rooms.
Polycom recommends using the Polycom Vortex line of products for installed audio.