OSCILLOSCOPE MEASUREMENT-CHAIN RECORD Vehicle / repair order: Circuit / test point: Operating condition / symptom: Scope model / channel: Input configuration / coupling: Measurement reference: Probe or attenuator identification: Physical ratio / switch position: Configured ratio / automatic or manual correction: Applicable limits and compatibility checked: Reference verification method: Expected reference / displayed result: Original capture filename: Setup corrections and repeat capture: Conclusion / unanswered question: Use instrument and vehicle procedures. Ratio alone is not a voltage rating or isolation rating. Keep the original acquisition and settings.