KORG GA-30 Owner's Manual
![KORG GA-30 manual cover](/images/18b32d7a977ec8b912d995f9/thumbs/thumb175x175.webp)
The KORG GA-30 is factory-calibrated and does not require manual calibration. Ensure the device is in a stable environment and free from interference for optimal accuracy.
To change the battery, slide open the battery compartment on the back of the unit, remove the old battery, and insert a new 9V battery, ensuring the correct polarity.
Press the "MODE" button repeatedly until the desired mode (Guitar or Bass) is displayed on the screen.
Check the battery to ensure it is properly inserted and has sufficient charge. If the problem persists, try replacing the battery with a new one.
The KORG GA-30 is designed for standard 6-string guitars and 4, 5, 6-string basses. For a 7-string guitar, you may need a tuner designed for extended range instruments.
The tuning indicator needle will point to the center position when the note is in tune. If the needle is to the left, the note is flat; if to the right, the note is sharp. Adjust accordingly.
The Auto Power Off feature automatically turns off the tuner after 20 minutes of inactivity to conserve battery life.
Keep the tuner clean and free from dust, avoid exposure to extreme temperatures, and remove the battery if the tuner will not be used for an extended period.
The KORG GA-30 has a tuning range suitable for guitar and bass, accommodating notes from B0 (30.87 Hz) to B7 (3951.07 Hz).
The KORG GA-30 is a standalone tuner and does not have output jacks for connection to an amplifier or audio equipment. It is designed for acoustic use.