DP Audio Video DP434 User Manual page 19

Bluetooth
A2DP operation
A2DP is a subsidiary function to Bluetooth. After the phone
paired with the unit successfully, click A2DP icon on the main
menu to enter into A2DP interface, then you can operate your
cell phone via the unit, such as pause a song, play a song,
previous, next. As in figure:
Note: Before pairing with the unit, A2DP is invalid. In addition,
because different mobile phone use different Bluetooth module
and software, so A2DP feature may not work well or at all.
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