Can the tuning reference be changed for a 1/2 step below?
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. Exit tuner mode by pressing either Footswitch. The tuning reference is retained when the unit is turned off.