KORG GT-12 Owner's Manual
![KORG GT-12 manual cover](/images/7c9d120ac0f33edd05e02d09/thumbs/thumb175x175.webp)
To calibrate the KORG GT-12, turn the power on and press the 'Calibration' button until the desired frequency (435-445 Hz) is displayed.
Check if the batteries are inserted correctly and have sufficient charge. If using an adapter, ensure it is connected securely and the outlet is functioning.
Yes, the GT-12 can be used for tuning a 7-string guitar. It supports a wide range of frequencies suitable for additional strings.
Press the 'Mode' button to cycle through the available tuning modes such as guitar, bass, and chromatic.
Use a soft, dry cloth to wipe the surface of the GT-12. Avoid using solvents or abrasive cleaners to prevent damage.
Ensure the instrument is properly connected and ambient noise is minimized. Check the calibration settings and replace batteries if necessary.
Turn off the tuner when not in use and remove the batteries if storing for an extended period. Using an AC adapter can also preserve battery life.
Yes, the chromatic mode allows the GT-12 to tune a variety of instruments, including violins, ukuleles, and more.
Check the power source, whether batteries or adapter. Ensure the instrument is connected properly and the input jack is functioning.
While the GT-12 does not have a factory reset function, you can manually reset settings by adjusting them to default values.