Sony Bluetooth Utility - Manual (Page 408)

Once a service has been detected successfully, connection to the device and COM port creation will be performed automatically, after
which the [Add New Connection Wizard (Modem Settings)] window will appear.
5. If you are connecting to a wireless modem station for the first time, enter the passkey for the modem station under [Bluetooth
Passkey (PIN code)], and then click on the [OK] button
Once the program has finished searching for the devices, the [Add New Connection Wizard (Device Selection)] window will appear.
6. Click on the [Next] button
Certain modems require you to configure initialization commands separately.
Please click on the [Additional initialization Command Settings] button, enter the initialization commands in the following window, and
then click on the [OK] button.
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