Sony STR-AN1000 Help Manual page 201

Help Guide
Multi Channel AV Receiver/Multi Channel AV Amplifier
STR-AN1000/TA-AN1000
Checking the software version of the wireless speakers (Software Version)
You can check the software version of the wireless speakers.
Select [Setup] - [Speaker Settings] from the home menu.
1
Select [Wireless Speaker Settings].
2
Select [Software Version].
3
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