Sony HT-Z9F Operating Instructions Manual page 66

by following the on-screen
instructions.
When a software update starts, the
system automatically reboots.
During a software update, "UPDT"
appears in the front panel display.
After the update is complete, the
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 of updating, refer
to the instructions that are displayed
when downloading the update file.
[Wireless speakers only]
Updates the software of the subwoofer
and rear speakers when the software of
the system is the latest version. Make
sure that the subwoofer and rear
speakers are turned on and connected
to the system (page 30).
Notes
• You can perform [USB update] by
pressing and holding the BLUETOOTH
and  button on the main unit for 7
seconds.
• You can perform [Network update] on
Sony | Music Center.
• If the updating of the subwoofer or rear
speakers does not work, move them to a
location near the main unit and update.
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