Question How can I determine if I have the Drop-D software on my PolyTune

Answer Drop-D mode: is engaged by pressing and holding the toggle switch for two seconds - then you will see this: Image Press and hold it again to return to standard tuning - then you will see this: Image If nothing happens while you press and hold the toggle switch, as described above, Drop-D software is not installed on your PolyTune pedal.