Installation
Signal Path Compensation
Signal Path Compensation (SPC) corrects for DC inaccuracies caused by temperature variations and/or long-term drift.
Run the compensation whenever the ambient temperature has changed by more than 10 °C (18 °F) or once a week
if you use vertical settings of 5 mV/division or less. Failure to do so may result in the instrument not meeting warranted
performance levels at those volts/div settings.
Signal Path Compe nsation for Time and Frequency Domains
To compensate the signal path:
1. Warm up the oscilloscope for at least
20 minutes. Remove all input signals
(probes and cables) from channel inputs.
Input signals with AC components adversely
affect SPC.
2. Push Utility.
3. Push Utility Page.
Utility
Page
4. Turn multipurpose knob a and select
Calibration.
Calibration
MDO4000 Series Oscilloscopes User Manual 19
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