IPS-4 Internet Power Switch; User’s Guide
6.5. Manual Operation
In addition to the command driven functions available via the Web Browser
Interface and Text Interface, the IPS’s switched plugs can also be toggled
On and Off manually. To manually toggle plugs On or Off, press the
Default Button, and hold it down for approximately three seconds.
If desired, the Default Button’s manual plug control ability can also be
disabled via the General Parameters menu as described in Section 5.3.1.