G
BACK button
This returns to the previous screen.
H
System buttons
These perform playback related operations.
Tuning up / Tuning down buttons (TUNE +, –)
These select either FM broadcast or AM broadcast.  (v p. 79)
I
QUICK SELECT buttons (1 – 4)
These call up settings registered to each button, such as input source,
volume level and sound mode settings.  (v
 p. 136)
J
SOUND MODE buttons
These select the sound mode.  (v
 p. 119)
K
Remote control signal transmitter
This transmits signals from the remote control unit.  (v p. 8)
L
SLEEP button
This sets the sleep timer.  (v p. 134)