7.6Locking and Unlocking the Front Panel Buttons
To lock and unlock the front panel buttons:
1.Press the Lock button until it lights. The front panel buttons are locked.
2.Press the Lock button until it no longer lights. The front panel buttons are unlocked.
7.7Muting and unmuting the Audio
To mute and unmute the audio output:
∙Press the Mute button.
The button lights and the audio is muted
∙Press the Mute button again to toggle the setting. The button no longer lights
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