7
(MENU)
(ENTER)
(BACK)
(MENU)
a
b
12(ENTER)
c
d
DISC
–
SOURCE
DISC
+
SEEK
+
SEEK
–
DISC
–
SOURCE
DISC
+
SEEK
+
SEEK
–
DISC
–
SOURCE
DISC
+
SEEK
+
SEEK
–
1
2