Marantz SR5009 - Manual (Page 17)

o Sleep timer indicator
.
t
E This lights when the sleep mode is selected. (v p. 131)
o ZONE2 power on display
.
y
F This lights up when ZONE2 (separate room) power is turned on.
(v p. 143)
Contents Connections Playback Settings Tips Appendix
17 Front panel Display Rear panel Remote Index