DSX-S300BTX - Sony Car Audio Service Manual (repair manual). Page 4

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DSX-S300BTX
4
6.  Bluetooth Phone (Hands Free) Function Check
Note: Depending on the connecting device, Signal-strength/Battery-re-
maining indications might not be displayed.
 
  Or, depending on the connecting device, the levels of indications are 
shown incorrectly.
 
  Even if you see no indications or wrong indications, they are not 
failures of DSX-S300BTX.
1.  Search for this set from the Bluetooth device (cellular phone), 
and confi rm whether this set (“Sony Automotive”) is dis-
played.
2.  Search for the distance of this set and the Bluetooth device 
(cellular phone) about 5 m apart.
 Confi rm whether the Bluetooth device (or this set) is displayed 
after it searches.
3.  Do the pairing of the cellular phone and this set (input of pass 
code).
4.  Connect the cellular phone with this set, and confi rm the “HF” 
icon lights.
5. Confi rm the connection continues even if the distance of the 
cellular phone and this set is separated by about 5 m.
6.  Set this set besides the “Bluetooth Phone” source, and call the 
cellular phone connected with this set.
 Confi rm the automatic change of this set into “Bluetooth 
Phone” source, and the change into the screen for incoming 
calls.
 Confi rm the ring tone is heard from the speaker.
7.  Take a phone call (press the encoder switch), and start a con-
versation.
 Confi rm the other person voice is heard from the speaker.
 
Speak toward the microphone of this set, and confi rm whether 
the other party hears its voice (At the external microphone 
noncontact).
 
Compare the sound quality with a normal set. Confi rm  that 
there is no big difference.
8.  Speak toward an external microphone at the following condi-
tion, and confi rm the other party hears its voice.
•  An external microphone is connected.
9.  Turn on ACC from off, and confi rm whether this set connects 
Bluetooth with the cellular phone again.
Note: Depending on the cellular phone, it might not reconnect automati-
cally when ACC is turned on.
7.  Bluetooth Audio Function Check
Note: Depending on the connecting BT Audio device, track information 
(e.g. track name, playback time) can be on display.
 
If the device doesn’t support AVRCP1.3, or, if AVRCP1.3 feature of 
the device has not been validated with DSX-S300BTX;   
 
the track information won't be shown.
 
Even if there is no track information on display during playback of 
an AVRCP1.3 device, it is not a failure of DSX-S300BTX.
1.  Connect the Bluetooth audio device (or cellular phone with 
Bluetooth audio function) with this set, and confi rm the “Au-
dio Streaming” icon lights.
2.  Playback Bluetooth audio. Confi rm the sound is emitted from 
this set when this set is switched to “Bluetooth Audio” source.
3. Confi rm whether Bluetooth audio can be controlled by operat-
ing this set (the Multi way encoder left/right, [PAUSE] keys 
operation).
Note: Varies depending on the connected Bluetooth audio device.
8.  What to Do after Checking
•  After checking, select “BT Initialize” from the menu list of this 
set to execute initialization.
 
(Connected device information is deleted.)
BLUETOOTH  FUNCTION  CHECKING  METHOD  USING  
A  CELLULAR  PHONE
1. Required Equipment
•  Set to be tested (DSX-S300BTX), external microphone of at-
tachment (XA-MC10) if necessary
•  Cellular phone (Recommended SEMC W880 or W910i, or se-
lect from connectable cellular phones list)
•  Bluetooth audio devices (SONY NWZ-A826, or select from 
connectable cellular phones/audio devices list)
•  Speaker connection (at least Front L/R ch)
•  DC power supply (12 V)
2. Preparation
• Confi rm the setting of the DSX-S300BTX, and notate it.
•  Press and hold the BLUETOOTH button and confi rm that the 
Bluetooth icon ( ) is fl ashing.
•  Turn on the Bluetooth function of the cellular phone.
3. Test Environment
•  No other Bluetooth device is making a communication in the 
periphery (within 20 m).
•  No other DSX-S300BTX are supplied with electric power.
•  There are no two or more wireless LAN access points in the 
periphery (with 50 m) (one is OK).
•  The set should be tested in a place such as a meeting room, free 
from ambient noise.
•  The speaker at the far end should be in a place such as another 
meeting room separated acoustically.
4. Setting
Install the DSX-S300BTX on the desktop.
5. Precautions
Beware of the following points when conducting the 
talking test:
•  There is no fault if a talking can be made by adjusting appro-
priately the volume of the telephone of the other party and the 
cellular phone connected through the Bluetooth, besides the 
setup of DSX-S300BTX.
•  The speaker’s voice will become loud naturally if the periph-
ery is noisy, or become low if quiet (even though the speaker 
intents to talk on the same volume level).
•  The speaker’s voice will become loud naturally if the other 
party’s voice is loud.
Speaker
Approx. 50 cm
DSX-S300BTX
Tester
Approx. 80 cm
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