User’s Guide for Polycom HDX Systems and the Polycom Touch Control
6To show the file to other call participants, touch Show Content.
While viewing a file, you can do the following on the Touch Control screen:
— To zoom in or out, touch | and | . To reset the content to its | |
original size, touch | . |
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You can also zoom in and out by sliding two fingers together or apart on the screen. Touch and drag the image to move it around the screen and view different areas.
—To go back and forth within the pages while showing a file, touch the arrows on the bottom left and right of the Touch Control screen. To
view thumbnails, press | , and then touch any thumbnail to jump to |
that page. |
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7To stop showing the content of a file, touch Stop Content.
8To eject the USB drive before disconnecting it, touch the 
button.
To annotate the content:
1 While you are showing content from a USB drive, touch to access the annotation toolbar.
—Touch 
to draw red lines on the content.
—Touch 
to add yellow highlighting to areas of the content.
—Touch 
to white out areas of the content.
2After you select a tool, touch and drag your finger across the screen to use it. If you are in a call and showing the content, the far sites see your annotations.
3 To clear the annotations, touch | . The annotations are automatically |
cleared when you go to another page or touch Stop Content.
Showing Content from a Document Camera, VCR, or DVD Player
Depending on how your system is configured, you might be able to show different types of information to other sites in a call, such as through a document camera, VCR, or DVD player.
Before the call begins:
•Make sure the document camera, VCR, or DVD player is connected and powered on. Refer to the setup sheet that came with your system.
•Position your document or object on the document camera or insert the videotape or DVD.
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