Onkyo TX-L50 Instruction Manual page 70

> Before Start > Part Names
■ Others
Strange noises can be heard from this unit
0 If you have connected another unit to the same wall
outlet as this unit, this noise may be an effect from the
other unit. If the symptoms improve by unplugging the
power cord of the other unit, use different wall outlets for
this unit and the other unit.
When performing AccuEQ Room Calibration, the
message "Noise Error" appears
0 This can be caused by a malfunction in your speaker
unit. Check if the unit produces normal sounds.
> Install > Initial Setup > Playback
Advanced Setup | Firmware Update | Others
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