Roland EV-1-WL Connection Manual page 60

To prepare: delete the registration of
the mobile device
Android
1.
Turn on the Bluetooth switch of your
mobile device.
2.
Tap the gear icon in "AC-22LX Audio",
"AC-22LX MIDI" and tap "Delete".
3.
Switch the Bluetooth function on your
mobile device from OFF to ON.
iOS
1.
Turn on the Bluetooth switch of your
mobile device.
2.
Tap the "i" for "AC-22LX Audio", "AC-22LX
MIDI", and tap "Forget This Device".
3.
Switch the Bluetooth function on your
mobile device from OFF to ON.
60