CSR v3.2 Manuel D’Utilisation

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Pairing 
 
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© Cambridge Silicon Radio Limited 2005 
This material is subject to CSR’s non-disclosure agreement. 
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Combined A
V Headset U
ser Guide
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6 Pairing 
The Combined AV Headset Application is now running on the BlueCore3-Multimedia Demonstration Board. To 
stream audio and connect a mobile telephone to the headset, it needs to be paired.  
Stop the application by pressing 
Shift-F5
. This stops the application debugger and halts operation. 
6.1 Pairing 
To make the headset discoverable for 60 seconds, hold down 
VOL-
 and 
VOL+
 and press the 
Reset
 button. The 
blue LED will begin flashing more rapidly indicating the device is discoverable. In this state the headset can be 
discovered by AV sources or a Bluetooth-enabled handset that supports the Headset or Handsfree profile. 
6.1.1 Handset 
With the Combined AV Headset in discoverable mode, pair the handset with the headset. The Pin Code is 8888. 
Refer to the Instruction Manual supplied by the Handset manufacturer for further information on pairing. 
6.1.2 
CSR USB Multimedia Dongle 
The USB Multimedia dongle is supplied as part of the BlueLab3-Multimedia Development Kit. Plug this dongle 
into the USB port of your PC and start the 
avcontrol.exe
 application located in the following folder: 
\BlueLab\tools\bin\ 
With the Combined AV Headset in discoverable mode, click on the 
Discover New Headphones
 button. The 
Multimedia dongle will locate the headset, pair and connect to the headset. 
Note:   By default a device running the
 av_headset_hfp
 application has a PIN of 8888. However, Multimedia 
dongles shipping with previous versions of BlueLab have a PIN of 4444. 
 
If the devices fail to connect it is probable because the PINs are not matched. 
 
The way to resolve this conflict is to change the entry in the  
av_headset_hfp.psr
 file  that sets the 
PSKEY_FIXED_PIN
. Change  &035b = 0038 0038 0038 0038  to &035b = 0034 0034 0034 0034. When the 
application is run in xIDE the PIN will then be set to 4444.