DigiTech BP80 Owner's Manual page 14

Tuner
The Tuner in the BP80 lets you quickly tune or check the tuning of your bass. Press and
hold both Footswitches simultaneously to access the tuner. A tu briefly displays indicating
that you are in Tuner mode. To begin tuning, play a note on your bass (the neck pickup
usually works best). The display shows the note being played. The Effect LEDs indicate
whether the note is sharp or flat. The right 6 red LEDs indicate the note is sharp and
should be tuned down. The left 6 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.
Pressing down on the Expression Pedal returns sound to the signal and controls the bypass
volume.
The display shows the note played.
a
LEDs to the left LEDs to the right
of the EQ LED of the EQ LED
indicate the note is flat. indicate the note is sharp.
When the EQ LED is lit,
the note is in tune.
When the Tuner is enabled, you can change your tuning reference.The default factory
setting is A=440 Hz. (displayed as 40). Press the Value Buttons to select alternate dropped
tunings. Alternate tunings are A = Ab (displayed as Ab), A = G (displayed as G), and A =
Gb(displayed as Gb).The display window briefly flashes the selected tuning preference.
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