or 
Specification
Tuning Mode: Chromatic
Pitch Range: 430-450Hz
Flat: b, bb, bbb, bbbb
Tuning Tolerance: +-0.5 cent
Power：DC 9V
How to Use
1. Connect a DC 9V power into the pedal. Please pay much attention to the power polarity.
2. Link the input, and turn on the tuner by pressing on ON/OFF button.
3. If you want to change the pitch, then press A4 button. The pitch ranges from 430Hz to 450Hz.
4. If you wish to tune by note flat, press Flat button. Flats offer 4 steps: b, bb, bbb, bbbb.
5. Play a single note from your guitar, the note name will appear in the tuner screen. The screen color will change, and the tuning needle will move.
The center blue tuning meter appears, and 2 blue triAngles appear: note in tune.
The left red tuning meters appear, and the left blue triAngle appears: flat note
The Right yellow tuning meters appear, and the Right blue triAngle appears: sharp note.
6. The tuner has bypass function. When tuning finished, press ON/OFF button, the original guitar signal will get through Without any distortion.
