KORG Sledgehammer Pro Owner's Manual

To calibrate the KORG Sledgehammer Pro, press the calibration button until the desired reference pitch is displayed. The default is 440Hz, but it can be adjusted in 1Hz increments from 436Hz to 445Hz.
Check if the battery is properly inserted and still has charge. Replace the battery if necessary. Also, ensure the contacts are clean and free of corrosion.
The KORG Sledgehammer Pro uses a CR2032 lithium battery. Ensure the battery is installed with the correct polarity.
The Sledgehammer Pro features a high-contrast display designed for visibility, but in bright conditions, try adjusting the angle of the tuner or using a shade to improve readability.
First, recalibrate the tuner to ensure it is set to the correct reference pitch. If issues persist, check for interference from electronic devices and ensure the tuner is clipped securely to the instrument.
Open the clip and attach it firmly to the headstock of your guitar or bass. Ensure that the rubber pads make full contact to prevent slipping.
Yes, the KORG Sledgehammer Pro is designed for use with both guitar and bass, offering accurate tuning across a wide frequency range.
Use the mode button to cycle through available tuning modes such as chromatic, guitar, and bass until you reach the desired setting.
Regularly check the battery and replace it as needed. Keep the tuner clean by wiping it with a soft, dry cloth, and ensure the clip and contacts remain free from dirt and grime.
While the Sledgehammer Pro doesn’t have a specific factory reset feature, turning it off and removing the battery for a few minutes before reinserting it can help resolve any persistent issues.