Sony DAV-DZ170 User Guide

A Playing status indicator
B SLEEP indicator

Flashes when the sleep timer is set.

C System status display
D TUNED indicator (Radio only)

Lights up when a station is received.

E ST indicator (Radio only)

Lights up when stereo sound is received.

F HDMI indicator

Lights up when a signal is established 
between a TV and the unit via HDMI.

G Surround format indicator
H SA-CD indicator

Lights up when a Super Audio CD/CD is 
loaded.