Demonfx Turbo Tuner MT-500 Strobe Tuner Guitar Bass High precision & accuracy

Demonfx Turbo Tuner Guitar Bass Pedal Tuner ,High precision, high accuracy tuner. You are in effect tuning the tuner to the guitar, and saving the tuning for future use. 2 Set the tuner to string you wish to capture, then use the right button to scroll through the offset and make sure it's set to 00.0 cents.