Sony f5500 Operating Instruction page 30

*1 When an error occurs during playback of a CD or
MD, the disc number of the CD or MD does not
appear in the display.
*2 The disc number of the disc causing the error
appears in the display.
If these solutions do not help improve the
situation, consult your nearest Sony dealer.
Messages
L.SEEK +/–
The local seek mode is on during automatic
tuning (page 16).
NO AF
There is no altenative frequency for the current
station.
" " or "
You have reached the beginning or the end of
the disc and you cannot go any further.
30
"