Utility
TDS3000B Serie s User Manual
3-79
Stopping Diagnostics. Choose how you want the diagnostic routines to
execute:
H Loop Once runs all diagnostic routines one time and then stops.
H Loop Always runs the diagnostic routine s continuously. Push the
RUN/STOP and then the MENU OFF buttons to resume normal
operation.
H Loop Until Fail runs the diagnostic routines until the oscilloscope
fails a te st or until you cycle the power.
Error Log. The error log contains summary data gathered over t he l ife
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 ci rcum stances, 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.