Toshiba Magnia SG20 User Manual page 269

Home Automation Interface
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To select a device, click on the device you wish to control. All the buttons on this
interface will happen instantaneously upon your click (just like what happens when
you click on a remote). For example, the power on, volume up or down, menu, and so
on, will all invoke the respective command upon a click.
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Like some remotes, the Enter command is required to actually complete certain
commands. For example, when changing to channel "24", if you click on "2" then "4",
some TV's will immediately change the channel. On other TV's, either a third digit (for
example, "0" "2" "4") must be entered, or a certain time must elapse before the
channel is actually changed. This behavior is dependent on the audio/video device
and its IR interface.
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The unique item regarding the Digital Central interface is the Vol++ and Vol-- buttons.
These buttons are designed to compensate for the fact that commands sent via a
computer or PDA wirelessly to the SG20, which is then sent to the home controller,
then to the IR repeater, will take slightly longer to get to the target device than a
regular remote controller. The volume control for some devices are very fined tuned
and to turn the volume up or down noticeably on such devices would involve many
clicks on the Digital Central interface.
The Vol++ and Vol-- buttons send 5 volume up or volume down commands in a single
click. This makes volume control very usable whether the audio or video device has a
finely defined volume control or not. If your audio/video device is not finely defined (if the
maximum volume value is 10 vs. 100), then you most likely will never need to use these
buttons.
269
Audio/Video