Tuner Mode; Tone Library (Knob 1); Effects Library (Knob 2); Effects Level (Knob 3) - DigiTech BP355 Owner's Manual

Bass multi-effects processor
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Tuner Mode

The Tuner in the BP355 allows you to quickly tune or check the tuning on your bass. Enter Tuner mode by
pressing and holding the Up and Down Footswitches simultaneously for 2 seconds. The Display briefly
shows tuner indicating that you are in Tuner mode. To begin tuning, play a note on your bass (a harmonic
at the 12th fret usually works best). The Display shows the note being played. The Matrix LEDs indicate
whether you are sharp or flat. The top 5 red LEDs indicate the note is sharp and should be tuned down.
The bottom 5 red LEDs indicate the note is flat and should be tuned up. The center green LED indicates
the note is in tune. The output is muted in Tuner mode. The Expression Pedal controls the bass volume
while tuning. Exit tuner mode by pressing any Footswitch.
Display shows
note played
Top LEDs indicate
note is sharp
Green LED indicates
note is in tune
Bottom LEDs indicate
note is flat
In Tuner mode, you can change your tuning reference. The default factory setting is A=440 Hz (displayed as
A=440). Rotating Knob 1 selects alternate dropped tunings and tuning references. Alternate tunings are A
, and tuning references A=427 - A=453. The display window briefly flashes the current
= A
, A = G, A = G
tuning reference.

Tone Library (Knob 1)

In Performance mode, this knob selects a variety of genre-based amp tone defaults ranging from Blues to
Metal to Country. Behind the scenes, the Fretless/Wah, Compressor, Distortion, Amp/Cabinet model, EQ,
and Noise Gate are configured to create a specified tone with a single click of this knob. You can further
refine the sound by editing the preset (see Editing/Creating Presets on page 11). Changing between
different Tone Library defaults does not change the Chorus/FX, Delay or Reverb, letting you experiment
with different amp styles quickly in the context of the current effect chain.

Effects Library (Knob 2)

In Performance mode, this knob selects a variety of post-amplifier model effect chains (Chorus, Chorus +
Delay, Delay + Reverb, etc.). You can further refine the sound by editing the preset (see Editing/Creating
Presets on page 11). Changing between different Effects Library defaults does not change the Fretless/Wah,
Compressor, Distortion, Amp/Cabinet model, EQ, and Noise Gate settings, letting you experiment with
different effect chains quickly in the context of the current amp tone.

Effects Level (Knob 3)

In Performance mode, this knob changes the relative level of the post-amp effects (Chorus/FX, Delay, and
Reverb). This can be thought of as an effects mix control, where turning this knob clockwise increases the
level of these effects and turning it counter-clockwise decreases the level of these effects.

Amp Gain (Knob 4)

This knob adjusts the Gain (distortion) for the selected Amp model (not available for Direct).

Amp Level (Knob 5)

This knob adjusts the Level (volume) of the selected Amp model.

Master Level (Knob 6)

This knob controls the overall output volume of all of the BP355's presets.
2

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