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Use the "mute" button on the remote control when another site is speaking, and deactivate when you wish to speak.
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Avoid "double talk"; allow the other site/person to finish speaking before you speak. Double talking may cause audio feedback and echo from the audio bridge.
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Limit your movement: If you're speaking, try not to use big gestures. These may disrupt the picture transmission and cause delays in everyone's communication
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Avoid wearing bright colors, all-light or all-dark clothing, or very "busy" patterns (such as small checks or narrow stripes).
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Light pastels and muted colors look the best on the screen.
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If there are windows in the room, close any drapes or blinds. Daylight is a variable light source and can conflict with interior room lighting.
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Use natural gestures when you speak.
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When adjusting your camera, try to fill the screen as much as possible with people rather than with the table, chairs, walls, lights, or the floor.
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Speak in your normal voice, without shouting.
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Ask the people at the other site if they can hear you.
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Have them introduce themselves so you can be sure that you can hear them.
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Mute the microphone before moving it during a meeting.
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Since the audio has a very slight delay, you may want to pause briefly for others to answer you or to make comments.
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As with any meeting, try to limit side conversations.
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Place the microphone on the table in front of the people in the meeting.
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For a smoother presentation, make sure your presentation is ready to show. Test it before you start the call.
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Because of the way computer files are displayed on the projector/TV, it’s best to use fonts size 32 and larger for visibility.