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us221a-421a.fm Page 18 Wednesday, May 20, 2009 2:27 PM
Manual Switch and Release
If the US221
/ US421
A
A
a USB 2.0 peripheral such as a storage device, for example),
enable this button to set the time for a reminder to release control
of the US221
/ US421
A
A
box on screen of the PC currently in control of the US221
US421
.
A
General
Enable this button to turn the US221
utility beeper on.
Note: 1. This enables the software beeper. To enable/disable
the hardware beeper, use the On/Off switch located on
the side of the US221
2. Default settings are Enabled.
is operating under manual control (with
. The reminder will appear as a dialog
/ US421
's configuration
A
A
/ US421
unit.
A
A
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/
A
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