GT-6: Using the External Send and Return Loop
The External Send and Return Loop can be used to insert an external effects processor. Use the following procedure to activate the external Send and Return Loop:
1. Select a USER patch.
2. Press the OVERDRIVE/DISTORTION button once or twice so it is lit. (not flashing)
3. Press PARAMETER RIGHT to display "Ovrdrive/Dst Type."
4. Turn the PATCH/VALUE dial clockwise to select "External."
5. Press WRITE twice to save the settings to the USER patch.