Go into the service menu ( press go, 0, 0, go on the Beo4 while setup is highlighted in the on screen menu ) then select monitor, then monitor information.
Mine has a list of information above the type no.s and serial no.s... it lists the add ons (STB-C), and iin my case, (AC3)
Have a look, and go to your dealer for a software update!! It's only around 80 pounds ($180AU) then you sould be able to choose the BL5 option for your BL9's.
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