16 Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes Service Guide 
2 Testing Performance
 
Overview
Let the Equipment Warm Up Before Testing
For accurate test results, let the test equipment and the oscilloscope warm up 
30 minutes before testing.
Verifying Test Results
During the tests, record the readings in the Performance Test Record on page 36. 
To verify whether a test passes, verify that the reading is within the limits in the 
Performance Test Record.
If a performance test fails
If a performance test fails, first perform the User Cal procedure. Press the following keys to access User 
Cal: [Utility]→Service→Start User Cal.