DigiTech RP90 Owner's Manual page 9

indicate whether you are sharp or flat. The left 6 red LEDs indicate the note is flat and should be
tuned up. The right 6 red LEDs indicate the note is sharp and should be tuned down. The center
LED indicates the note is in tune. The output is muted in Tuner mode; rock the Expression Pedal
to regain volume.
Center LED indicates Display shows
note is in tune note played
Left LEDs indicate Right LEDs indicate
note is flat note is sharp
In Tuner mode, you can change your tuning reference with the Vallue Up/Down buttons. The
default factory setting is A=440 Hz (displayed as 40). Other tuning references are A=A flat (dis-
played as Ab), A=G (displayed as G), and A=G flat (displayed as gb). The display window will briefly
flash the currently selected tuning preference.
Exit Tuner mode by pressing either Footswitch.
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