Panasonic DMR-PWT550GL Service Manual page 51

Mode Name
Laser power test Drive state is judged based on difference
between laser power value at shipping and
present laser power value.
CEC (H) output Check of the CEC terminal high output of
HDMI.
CEC (L) output Check of the CEC terminal low output of
HDMI.
Production Date Display Display the date when the unit was produced.
Item
Description
FL Display
YY: Year
MM: Month
DD: Day
51
Key Operation
(Remote controller key)
1. Insert the 5X media DVD-RAM
into the tray.
(Incompatible with other media)
2. Press [4] [4].
Press [5] [5] in service mode.
Press [5] [6] in service mode.
Press[6][1]in service mode.