DigiTech HARDWIRE TR-7 Owner's Manual page 17

into place over the depressed pin. Release the pin. When the Foot
Switch is properly fastened, both release pins are flush with the outer
side of
Foot Switch
the pedal.
Pedal Switch
Foot Switch
Compartment
Arm
Release Pin
Battery
Spring
9VDC Battery
Foot Switch
Release Pin
Pedal Chassis
11