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1. Footswitches

These two Footswitches select presets, access the Tuner, or bypass the BP90. The

Footswitch on the right will select the next preset up, and the Footswitch on the left will

select the next preset down. Pressing both Footswitches together will bypass the currently

selected preset. Pressing and holding both Footswitches for 2 seconds will access the Tuner.

Press either Footswitch to exit Bypass or Tuner mode.

2. Tone Library, Effects Library, Effects Level, and Master Level Buttons

At the heart of creating presets in the BP90 are the Tone Library, Effects Library, and Effects

Level buttons. By pressing one of these buttons and using the Value Up/Down buttons,

you can select from 20 amp/distortion tones, 20 effects chains, or the overall post amp/

distortion effects level respectively. The Master Level button accesses the master output vol-

ume parameter for the BP90. Each button is described in detail below.

ToneLibraryButton

The Tone Library button accesses a library of preset amp tones. Press this button

and then use the Value Up/Down buttons to select from a variety of genre-based

amp tones ranging from Blues to Metal to Country (see page 37 for a list of available

tones). Behind the scenes, the Fretless/Wah, Compressor, Amp/Distortion, and EQ are

conﬁgured to create a speciﬁed tone. You can further reﬁne the sound by editing the

preset (see Editing/Creating Presets on page 16). Changing between different Tone Library

selections does not change the Chorus/FX, Delay, or Reverb settings, allowing you to

experiment with different amp styles quickly in the context of the current effect chain.

The Display will read cu (for “custom”) when any of the associated effects have been

changed from a default library setting.

DigiTech BP90 User Manual

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