Panasonic SA-BT300PX Service Manual page 29

7.3.2. Service Mode Table 2
Mode name
Laser Used Time Check laser used time (hours) of drive.
Indication
Item
Description
FL display
(******) is the used time display in
hour.
Laser used time of BD/DVD/CD
in Playback/Recording mode is
Counted.
1. Blu-ray Playback:
BP
2. Blu-ray Recording:
BR
3. DVD Playback:
DP
4. DVD Recording:
DR
5. CD:
CD
29
Key operation
(Remote controller key)
Press [4] [1] in service mode.