Kenwood KDC-5070R - Manual (Page 7)

This function allows you to turn down the volume quickly.
Turning Attenuator On/Off:
Press the ATT button to switch the attenuator on and off.
When the attenuator is on, the ATT indicator blinks.
When the attenuator is off, the volume returns to the original
level.
Turning down the volume all the way turns off the attenuator
function.
NOTE
Attenuator
Increasing Volume:
Press the u button to turn up the volume.
Decreasing Volume:
Press the d button to turn down the volume.
Volume
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