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 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.
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.
DPO4000 Series User Manual 25
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