Original source · Original dates and notices remain in the article. Historical advice may no longer apply.
MDS-JE500/JE700 Service Mode Features
The MDS-JE500/S37/JE700/J3000 have a few extra service mode settings
than the older decks. They are:
LDPWR CHECK
Laser Power Check. Press once and it will activate the laser and let
you check the low-power setting with a laser power meter. Press again
and it will let you check the high-power setting with the same meter.
Press NO and it will shut off the laser.
DETRK CHECK
Detrack check
ScurveCHECK
S curve check
MANUAL CMD
Manual command transfer mode
SVDATA READ
Data reading out mode.
According to the Service Manual "The EEP MODE, S curve CHECK, MANUAL CMD
and SVDATA READ are not used in servicing. If set accidentally, press
the NO button immediately to exit this mode."