Tektronix TDS2022C Technical Reference page 111

TDS2000C Series Oscilloscope Service Manual
Clearing the error log. To clear the error log after fixing a problem, follow these
steps:
1. Enable the Service menus. (See page 5-2, Enable the Service Menu.)
2. Push the UTILITY button and push the Service option button to display
the Service menu.
3. Push the Service Diag. option button to display the Diagnostics menu.
4. Push the Clear Error Log option button to clear the error log of past failures.
This also sets the Power Cycle count to zero.
Maintenance
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