TC-Helicon Play Electric - Reference Manual - Manual (Page 15)

Basics
Play Electric – Reference manual (2014-07-16) 13
on the fly. “NP” is only shown when a change in
key/scale is detected – so don’t panic if you don’t
see it all the time.
“LOOP” indicator
The “LOOP” indicator is shown in the lower right
corner of the display when a loop is running, but
you are currently not on the Loop mode screen.
GB (Guitar Boost) indicator
The GB (“Guitar Boost”) indicator is shown in the
lower left corner of the display when guitar boost
is active.
Genre indicator
If you have set the Genre selector to any other
value than “All”, the currently selected genre is
shown in the upper left corner of the display. In
the screen shot above, it is “Harmony“.