Sony Bluetooth Utility - Manual (Page 536)

The [Connection Settings] window will appear.
3. Place a check next to [Allow serial cable or infrared connection to this COM port], and then select "COM7".
Note
o In the standard set-up, the port is configured to "COM7" (refer to Steps (3) and (4) under "Preparing the PDA" below). When
using a different port, please also change the port number selected in this window.
■Preparing the PDA
Procedure
1. Tap on the Bluetooth TM wireless technology icon in the bottom right of the screen
Page 536