Panasonic SA-BT300PX Service Manual page 31

7.3.4. Service Mode Table 4
Mode name
Item
Description
FL display
6. Disc maker ID is displayed for 5
seconds.
7. Factor of drive error (hexadeci-
mal) occurring is left displayed.
31
Key operation
(Remote controller key)
In case that the maker cannot be
identified, display is black out.