- 1). Turn on your Korg tuner. Generally, the power button will be red and circular. On models such as the CA-30 and the GA-30, the power button is on the front of the unit, to the right of the display screen. On other units, such as the AW2 and the AW2G, the power button is on the back of the unit.
- 2). Plug in your guitar using a guitar cable if you have an electric guitar. Plug into your guitar’s output jack and the “Input” jack on the tuner. Alternatively, set down the tuner close to your guitar.
- 3). Press the Calibration “Up” and “Down” buttons if you wish to change the reference pitch used by the tuner. Only change this if a 440Hz A note calibration isn’t suitable for your tuning needs. This is “concert pitch,” and is required for most applications.
- 4). Play a string on your guitar. Most people start with one of the E strings, because they are at the top and bottom of the guitar. The tuner will display the closest note to the one just produced by your instrument. If you played an E string, this note should be E. If it is a D, you need to raise the pitch of your string, and if it is F, you need to lower the pitch. Turn the tuning heads on your guitar to alter the pitch.
- 5). Read the information displayed on the readout. Most Korg tuners have an arched scale displayed on the screen, showing at which point on the scale your note falls. The center is the correct pitch for the note you are trying to reach. Notice that most Korg tuners have a central green light and red lights to either side. The red lights display if the note you are producing is either higher than (sharp) or lower than (flat) the displayed note.
- 6). Tighten the string if the left red light illuminates, which, coupled with a display reading with the needle to the left of the center, indicates a flat string. If the needle points to the right and the right red light is illuminated, the string is too sharp. Loosen the string. Adjust the tuning heads until the green light illuminates and the needle points straight up.
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