Measuring Waveforms
TDS 500B, TDS 600B, & TDS 700A User Manual
3–113
Figure 3–64: Re-use Probe Calibration Data Menu
If the Re-use Probe Calibration data? menu is displayed, you can choose one of
the following options:
Press OK Use Existing Data (side) to use the Probe Cal data last stored to
compensate the probe.
Press OK Erase Probe Cal Data (side) to erase the Probe Cal data last
stored and use the probe uncompensated.
Press CLEAR MENU on the front panel to retain the Probe Cal data last
stored and use the probe uncompensated.
NOTE. If the Re-use Probe Calibration data menu is displayed, do not select OK
Use Existing Data if the probe currently installed is not of the same impedance
stored for the Probe Cal. For example, if the last Probe Cal stored for a channel
was done with a passive 50 probe installed, do not install a passive 1 M
probe and select OK Use Existing Data if the menu appears. If you do so, most
of any signal you attempt to measure will not be coupled to the input channel
because of the probe to oscilloscope impedance mismatch.
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