Pioneer audio/video multi-channel receiver Manuel D’Utilisation

Lights during Loudness listening.

STEREO : Lights when a stereo FM broadcast is
being received in auto stereo mode.

MONO : Lights when the mono mode is set
using the 

MPX button.

TUNED : Lights when a broadcast is being
received.

Shows the overall volume level. 

--- dB indicates

the minimum level, and 

– 0dB indicates the

maximum level.

Depending on the level settings you make for
each channel, the maximum level can range
between –10dB and – 0dB.