Onkyo TX-L50 Instruction Manual page 62

> Before Start > Part Names
■ 4. Load Default
Load Default Reset the unit to return the settings to the status at the time of
shipment. Reset is complete when "Clear" is displayed on the
display and the unit switches to standby.
Your settings will also be initialized when you reset, so note
down your settings before starting reset.
> Install > Initial Setup > Playback
Advanced Setup | Firmware Update | Others
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