IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.
To resolve this distortion, set the AUDIO LEVEL switch to MAN. Afterwards, use the CH1/CH2 dial to lower the input volume.
If the distortion remains after adjusting the input volume, change the INPUT1 Reference or INPUT2 Reference setting in the Audio menu to -40dB.