operation, the multiple socket must be connected
to a socket with a professionally installed
protective earth.
After the socket outlet has been switched on, the
control light “Protection on” will light up, indica-
ting that surge voltage protection is effective.
If the control light does not light up any more, the
protection is no longer effective and the sockets
get disconnected. In this case the device must be
changed, since the protective components have
been destroyed by a very high voltage surge.
Permanent sockets (Model ST BMP 0819 only)
The permanent sockets are surge protected and,
independent from the digital Master-Slave
function, always on as soon as the main switch is on.
Master-Slave function
With the switching on/off of one single device,
which is plugged into the master socket, all furt-
her appliances in the slave sockets can also be
automatically switched on/off. For example, you
can use a computer as a master device, which can
embrace slave appliances in the automatic control
such as, for example, monitor, printer, modem etc.
As soon as the computer will be switched on, its
power consumption increases. The intelligent
electronics in the extension socket recognizes this
and switches on the slave sockets automatically.
After shut down of the computer the power con-
15
Secure-Tec Operating Instructions