3Com 3.7.8, 3.7.7 user manual Switch to a different channel DVR only, View zoomed image

Switch to a different channel (DVR only):

Press <Menu> and select <Channel>. Then press <Menu> again and select any channel (or press 0~9 keys for channels 1~10) to be displayed on the screen. Press <Main menu> to exit without switching to any other channel.

View zoomed image:

Press <Menu> and select <Zoom>. Then press <Menu> again and select <Zoom Auto>, <Zoom In>, or <Zoom Out> to view desired image.

Zoom Auto: show original size of the image.

Zoom In: enlarge the image; or press “UP” key to zoom in.

Zoom Out: shrink the image; or press “DOWN” key to zoom out.

After zoomed in the image, press 2/4/6/8 keys to shift the image. Also, press 1/3/5/7/9 keys or “LEFT/RIGHT” keys to view center or four corners of the image. The hint on the upper right-hand corner will show the position of displayed image, including Center, Left-Top, Right-Top, Right-Bottom, and Left-Bottom.

Press <Main menu> to exit viewing zoomed image.

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