For a review of how to connect your Sonic PortCLICK HERE
- From the Instruments Menu, select the Guitar Amp.
- From the Guitar Amp Screen, tap the guitar cable button in the upper left hand corner and turn the monitor on.
- From the Instruments Menu, select the Audio Recorder.
- From the Audio Record Menu Screen, tap the guitar cable button in the upper left hand corner and turn the monitor on.
- From the Instruments Menu, select the Sampler.
- From the Sampler Screen, tap the guitar cable button in the upper left hand corner and turn the monitor on.
For more information on using GarageBand checkout the the User Manual Here.