: A Quick Reference Guide (#960-000194R) is available for fast troubleshooting and self-test procedures.
| Control | Function | |---------|----------| | | Momentary soft-switch. Green LED = Standby / Blue LED = Active. | | Input Trim | Sets the input sensitivity (-12 dB to +20 dB). | | Voice Select | 5 positions: Clean , Punch , Crunch , Lead 1 , Lead 2 . | | Resonance | Adjusts low-frequency damping (tight to loose). | | Presence | Controls ultra-high frequency harmonics (5 kHz–20 kHz). | | Master Volume | Global output level. Locking detent at 12 o’clock. |
Used primarily for high-speed data transfer and firmware downloads.