LeCroy WaveSurfer 400 Series Service Manual page 118

Continue until all buttons and knobs have been tested, the total should indicate that all
needed items were pressed or turned. .
Select Production test and then off to turn off the test. The front panel LED's will be left in
an abnormal state. This will be corrected when either the functions are used or when the
application is restarted.
6-32 Maintenance