Onkyo TX-RZ3100 User Manual page 40

Availability of a firmware update will be notified via network.
"Enable": Notify updates
"Disable": Do not notify updates
Version
Default Value: ‒
The current firmware version will be displayed.
Update via NET
Default Value: ‒
Press ENTER to select when you want to update the firmware via network.
You will not be able to select this setting if you do not have Internet
access or there is nothing to update.
Update via USB
Default Value: ‒
Press ENTER to select when you want to update the firmware via USB.
You will not be able to select this setting if a USB storage device is not
connected or there is nothing to update in the USB storage device.
Wait for a while if "Firmware Update" cannot be selected. It will appear when
the network feature is started.
5. Initial Setup
You can make the initial setup from the setup menu.
Wait for a while if "Initial Setup" cannot be selected. It will appear when the
network feature is started.
6. Lock
Setup Parameter
Default Value: Unlocked
Lock the Setup menu to protect the settings.
"Locked": The menu is locked.
"Unlocked": The menu is unlocked.