Planet Technology ADE-3400 - Manual (Page 63)

4.4.6 Restart
Click Restart with option Current Settings to reboot your router (and restore
your last saved configuration).
If you wish to restart the router using the factory default settings (for example,
after a firmware upgrade or if you have saved an incorrect configuration), select
Factory Default Settings to reset to factory default settings.
You may also reset your router to factory settings by holding the small Reset
pinhole button on the back of your router in for 10-12 seconds whilst the router is
turned on.
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