Pioneer DVH-850AVBT Service Manual page 21

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1. MPEG update instruction
1. Copy the MPEG update files(upd_mpeg.ver, build.img) to USB device, and insert it to USB Port,
when the system detect the update file exists, it will pop up a menu like Fig.1 as below:
UW5 model
Fig.1-1
2. If you don't want to upgrade ,you can press "Cancel" button through Left or Right key of remote control or panel,
otherwise you can move the curse to button "MPEG", and after pressing Enter key, there will pop other prompt
menu like Fig.2, as below:
UW5 model
Fig.2-1
3. During the process of upgrade, do not remove the USB device or shut off the power supply, otherwise the system
will breakdown, and never recover any more, if the system restart and pop up Fig.1 for the second time, it means
MPEG upgrade process finished, you can remove the USB device, the whole upgrade process will last about 1 minute;
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BR model
BR model
DVH-850AVBT/XEUW5
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Fig.1-1
Fig.2-1
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