Allied Telesis AT-TQ Series - Manual (Page 28)

Chapter 1: Overview
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The menus contain the same selections and perform the same functions
regardless of the format. You may switch between formats without
interrupting your current session or having to stop and start it again.
Saving Your
Changes
You need to remember to click the Update button when you are finished
configuring the parameters in a management window. The button is
located in the bottom of the windows. When you click the button, the
access point immediately activates your changes and saves them in the
configuration file. If you navigate to a different window without clicking the
Update button, your changes are lost and have to be reentered.
Logging Off You should always log off when you are finished managing the unit. To log
off, click the Log Off option in the upper right corners of the management
windows.