Sony Model PMC-MD55 Operating Instructions Manual page 17

During play (CD)
The current track name, the current track number and
playing time are displayed.
If you press DISPLAY, indications in the display
change as follows:
To display
the position pointer, the current
track number and remaining
time on the current track
the disc name/artist name,
the number of tracks left and
remaining time on the CD
the current track name,
the current track number
and playing time
Press DISPLAY
once
twice
three times
The CD Player•The MD Player
17 GB