Sony HT-A3000 Help Manual page 99

During a software update, [UPDATE] appears in the front panel display.
After the update is complete, the speaker system automatically reboots.
[Network Update]
Updates the software using the available network. Make sure that the network is connected to the Internet.
[USB Update]
Updates the software using a USB memory. For details on updating, refer to the instructions that are displayed when
downloading the update file.
[Wireless Speakers Update]
When updating the software, connect the wireless speaker to the AC outlet (mains) and turn on.
Updates the software of the optional subwoofer and rear speakers when the software of the speaker system is the latest
version.
Note
You can perform [USB Update] by pressing and holding the
seconds.
If updating of the optional subwoofer or rear speakers does not work, move them to a location near the bar speaker and update.
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(power) button on the bar speaker for 7