Performance Verification
Performance V
erification Procedures
The Performance Verification Procedures consist of a self test and several check
steps, which check the instrument's performance to specifications. The following
three condit
ions must be met before performing these procedures:
1. The oscilloscope must have been operating continuously for twenty (20)
minutes in a
n environment that meets the operating range specifications for
temperature and humidity.
2. You mu st p e
rform the Signal Path Compensation (SPC) operation described
in step 2 of the Self Test before evaluating specifications. (Seepage55,Self
Test.) If the operating temperature changes by more than 10 °C (18 °F), you
must perform the SPC operation again.
3. You must connect the oscilloscope and the test equipment to the same AC
power circuit. Connect the oscilloscope and test instruments to a common
power strip if you are unsure of the AC power circuit distribution. Connecting
the oscilloscope and test instruments to separate AC power circuits can
result
in offset voltages between the equipment, which can invalidate the
performance verification procedure.
The ti
me required to complete the entire procedure is approximately one hour.
WARNING. Some procedures use hazardous voltages. To prevent electrical
shock, always set voltage source outputs to 0 V before making or changing any
interconnections.
54 MSO4000B and DPO4000B Series Specifications and Performance Verification
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