Control Surface Mapping:
TIP: If you click on the characters “B4” at the upper right of the B4 program, you can rapidly
switch between Keyboard and Control views.
Keyboard View: Here you can access the drawbars, rockers, expression pedal, and Leslie
speed. There are three banks, accessible with the BANK L and BANK R buttons on the US-428.
o Bank 1:
§ Faders 1-8 + master = DRAWBARS 1-9 ON THE UPPER MANUAL
§ Mute 1 = VIB LOW ON/OFF
§ Mute 2 = VIB UP ON/OFF
§ Mute 3 = ROTATOR SPEED FAST/SLOW
§ Mute 4 = PERC ON/OFF
§ Mute 5 = DRIVE ON/OFF
§ Mute 6 = ROTATOR ON/OFF
§ Mute 7 = VELOCITY ON/OFF
§ Data Wheel = EXPRESSION PEDAL
o Bank 2: (Similar to Bank 1 except):
§ Faders 1-8 + master = DRAWBARS 1-9 ON THE LOWER MANUAL
o Bank 3: (Similar to Bank 1 except):
§ Faders 1-6 = DRAWBARS 1-6 ON THE PEDAL MANUAL
Control View: All the previous controls operate as before, and the EQ switches and controls
also allow these settings:
With EQ High activated:
§ GAIN = TREBLE SLOW
§ FREQ = TREBLE FAST
§ Q = TREBLE ACCEL
§ PAN = TREBLE TONE
With EQ Hi Mid activated:
§ GAIN = TUBE AMP DRIVE
§ FREQ = TUBE AMP VOL
§ Q = TUBE AMP BODY
§ PAN = TUBE AMP BRIGHT
With EQ Lo Mid activated:
§ GAIN = MIC BALANCE
§ FREQ = MIC PAN
§ Q = MIC SPREAD
§ PAN = MIC DISTANCE
With EQ Low activated:
§ GAIN = BASS SLOW
§ FREQ = BASS FAST
§ Q = BASS ACCEL
§ PAN = BASS TONE
With Aux 1 activated:
§ GAIN = PERC VOLUME
§ FREQ = PERC DELAY
§ Q = PERC HARMONIC
§ PAN = KEYCLICK AMT
With Aux 2 activated:
§ GAIN = VIBRATO MIX
§ FREQ = VIBRATO DEPTH
§ Q = PERC HARMONIC
§ PAN = KEYCLICK AMT