Roland EV-1-WL Connection Manual page 78

6.
Verify that "AC-22LX MIDI (Bluetooth)" is
shown for "CONNECT".
AC-22LX MIDI (Bluetooth)
7.
Tap [OK] to start communication.
If you can't connect
Check each of the following five items one at a time.
1
Make sure that Bluetooth is enabled on the
BOSS Bluetooth® Audio MIDI Dual Adaptor
(Model: BT-DUAL) that's connected to the
AC-22LX
Verify that the BT-DUAL unit's Bluetooth indicator
is blinking or lit.
If it is unlit, press the BT-DUAL pairing button to
make it blink or light.
2
In step 2 of the procedure (p. 76), could you
have tapped a model name shown on the
mobile device?
When you turn the Bluetooth switch on in step
2, "AC-22LX MIDI" might appear in the list of
"DEVICES" but you should not tap it. If you tapped
it, clear the pairing, and try the procedure again
from step 1.