IPS-800/IPS-1600 Series - 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 all 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.