I've been given a Fiskar UPS. Its a PowerWorks 30/3.0 and comprises
three units - a control unit, a battery pack and a mains unit,
containing a whacking great toroidal transformer.
There are only two buttons on the front of the control unit, a red one
with a minus sign on it, and a white one with a cup and dot symbol.
Holding the latter in causes a self test light to come on, and pressing
it again turns it off.
The thing beeps when I turn off the mains, and the fan in the control
unit keeps running.
Does anyone have a manual for one of these? Is the fan meant to keep
running all the time - its very noisy!