Indicator Led - DigiTech SCREAMINBLUES Manual

7. Pedal Release Pins
These two pins are spring-loaded hinges that hold the pedal in place.
Push these pins in to release the pedal from the chassis exposing the
battery compartment. (See battery replacement diagram.)
8. Pedal
Press the pedal to turn the effect on and off.
9. Out 1(Amp) Jack
Connect this output to your guitar amplifier.

10. Indicator LED

This LED indicates when the effect is turned on. If the LED becomes
dim or does not light when the cables are connected, the battery needs
to be replaced.
11. Out 2 (Mixer) Jack
This output features DigiTech's speaker cabinet compensation, that lets
you run the pedal directly into a mixer or recorder input without having
to use a guitar amplifier.