The following tuning setups were found by Carter Steel Guitars to be the most frequently requested by customers ordering new guitars. Click each link to view a chart showing the complete pedal/knee lever setup.

• Double neck, 10 strings (D-10) tuned to E9/C6
• Single neck, 10 strings (S-10), tuned to E9
• Single neck, 12 strings (S-12U), tuned to E9/B6 Universal