Sony RSX-GS9 Operating Instructions Manual page 10

To disconnect by One touch
Touch the N-Mark part of the unit with the N-Mark
part of the smartphone again.
Notes
 When making the connection, handle the
smartphone carefully to prevent scratches.
 One touch connection is not possible when the unit is
already connected to another NFC compatible device.
In this case, disconnect the other device, and make
connection with the smartphone again.
Pairing and connecting with a
BLUETOOTH device
When connecting a BLUETOOTH device for the first
time, mutual registration (called "pairing") is
required. Pairing enables this unit and other devices
to recognize each other.
1
Place the BLUETOOTH device within 1 m
(3 ft) of this unit.
2
Press and hold  on the unit for more
than 2 seconds.
Alternatively, press and hold MENU on the
remote commander, select [BT Setting] 
[Pairing], then press ENTER.
The BLUETOOTH indicator on the unit flashes
(while the unit is in pairing standby mode).
3
Perform pairing on the BLUETOOTH
device so it detects this unit.
4
Select [RSX-GS9] shown in the display of
the BLUETOOTH device.
If your model name does not appear, repeat
from step 2.
10
GB
5
If passkey* input is required on the
BLUETOOTH device, input [0000].
* Passkey may be called "Passcode," "PIN code,"
"PIN number" or "Password," etc., depending on
the device.
Input passkey
[0000]
When paired, the BLUETOOTH indicator on the
unit stays lit.
6
Select this unit on the BLUETOOTH device
to establish the BLUETOOTH connection.
Note
While connecting to a BLUETOOTH device, this unit
cannot be detected from another device. To enable
detection, enter the pairing mode and search for this
unit from another device.
To start playback
For details, see "Playing a BLUETOOTH Device"
(page 13).
To cancel pairing
Perform step 2 to cancel the pairing mode after this
unit and the BLUETOOTH device are paired.
Connecting with a paired BLUETOOTH
device
To use a paired device, connection with this unit is
required. Some paired devices will connect
automatically.
1
Press and hold MENU on the remote
commander, select [BT Setting]  [BT
Signal], then press ENTER.
Make sure the BLUETOOTH indicator on the unit
lights up.
2
Activate the BLUETOOTH function on the
BLUETOOTH device.
3
Operate the BLUETOOTH device to
connect to this unit.