Enable The Service Menu - Tektronix TDS2022C Service Manual

Adjustment Procedures

Enable the Service Menu

42
If all steps in the procedure are completed successfully, a "Pass" message is
displayed and the new calibration constants take effect. If any step fails, the
procedure is aborted and the current calibration is not affected. You can choose
to abort the procedure at any step, without affecting the current calibration, by
selecting FCAL ABORT.
NOTE. While performing the adjustment procedure, keep in mind that some of the
steps take a significant amount of time (up to 5 minutes) to complete.
Equipment setups are shown in the following figure. (See Figure 4 on page 43.)
Signal requirements for each step are shown in the following table. (See Table 15
on page 45.)
Before performing the adjustment procedure, enable the Service menu as follows:
1. Power on the oscilloscope.
2. Push the front-panel Measure button to access the Measure menu.
3. Push the top option button to access the Measure 1 menu.
4. Push and hold the front-panel Single button.
5. Push and hold the front-panel AutoSet button.
6. Wait at least two seconds.
7. Release the Single button.
8. Release the AutoSet button. A message appears in the lower left corner of the
screen stating "Service mode ON."
9. Push the front-panel Utility button. The last item in the Utility menu is now
"Service."
At completion of the Adjustment procedure, disable the "Service" menu through
the Utility front panel button, the "Service" option button, and the "Service"
Mode Off" option button.
TDS2000C and TDS1000C-EDU Series Oscilloscope Service Manual