Sony SGPT11 Series Help Manual page 149

A Bluetooth(R) device was not found.
Make sure the Bluetooth function of your tablet device is turned on.
Tap [ Apps] - [
check box.
Make sure the Bluetooth device you are pairing with is turned on.
When you tap [ Apps] - [
devices], a Bluetooth device may not be found immediately because of the number of devices around your
tablet device, the distance, the environment, radio wave propagation.
Bring the Bluetooth device you are pairing with as close to your tablet device as possible, and try again.
Make sure the Bluetooth device your are pairing with is in discoverable mode.
The Bluetooth function of the commercially available Bluetooth device you are pairing with should be turned
on and the device should be in discoverable mode.
When you disconnect a Bluetooth device you have connected to your tablet device once and connect it
again, connect the device after deleting registration by both the Bluetooth device and the tablet device.
Settings] - [ Wireless & networks] - [Bluetooth] in that order to put a check in the
Settings] - [ Wireless & networks] - [Bluetooth settings] - [Find nearby