Utility
TDS3000 Series User Manual
3–69
Stopping Diagnostics. Choose how you want the diagnostic routines to
execute:
Loop Once runs all diagnostic routines one time and then stops.
Loop Always runs the diagnostic routines continuously. Push the
RUN/STOP and then the MENU OFF buttons to resume normal
operation.
Loop Until Fail runs the diagnostic routines until the oscilloscope
fails a test or until you cycle the power.
Error Log. The error log contains summary data gathered over the life
of the oscilloscope. The error log lists the last 100 errors encoun-
tered. The last error in the list is the most recent.
Under normal circumstances, the error log should be empty. Any
entry in the error log may indicate a hardware failure or firmware
fault. If you can repeatedly cause an entry to be added to the error
log, please contact a Tektronix service representative for assistance.