REVERB Tube-driven spring reverb amount ALT / AMP / STORE ALT Activates vibrato controls on the Treble and Boost knobs AMP Standard knob controls STORE Hold down to save sound as preset VOLUME Vibrato channel input gain OUTPUT Overall volume control SPEAKER Cycles through available speakers AMP MOD LEAD:’80s OD special modification STOCK: Clean preamp boost D-TEX: SRV modification (vibrato disabled) When LED is off, amp remains active but speaker cab is disabled BASS Adjusts low frequencies BOOST Boo
