Manual Switch and Release

If the US221A / US421A is operating under manual control (with 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 US221A / US421A. The reminder will appear as a dialog box on screen of the PC currently in control of the US221A / US421A.

General

Enable this button to turn the US221A / US421A’s configuration 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 US221A / US421A unit.

2. Default settings are Enabled.

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