Power Station MINI is under international patent pending power
supply system with an advanced LCD display for current and voltage.
And It is a multi-function power supply offering 5 normal 9V outputs,
two 6V~12V adjustable outputa, and one 9V/-9V changeable output
in a compact size.
-9V is for the effect pedals which use center positive. For example,
Fuzz(with Germanium transistor) and Octavia. And factory setting
is normal polariry(center negative).
The CH8 output is selected 9V(normal) or -9V(reverse) via internal
switch.