Sony ULT FIELD 1 Help Manual page 25

3.
Click the [Bluetooth] switch to turn on the BLUETOOTH function, and then click [Add device].
4.
Click [Bluetooth].
5.
Select [ULT FIELD 1].
If a passkey* is required, enter "0000."
If [ULT FIELD 1] does not appear, perform the operation again from step
*
The passkey may be called a "passcode," "PIN code," "PIN number," or "password."
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