SCOPE CONNECTION-REFERENCE CARD Original STEP Diagnostics worksheet — not a vehicle connection procedure or safety certification Date / technician / job reference: Vehicle configuration / intended measurement / applicable procedure: Scope model / accessories / manual revision and section: Return architecture (shared / independently referenced within limits / unresolved): Which sockets or returns are common, per manual: Measurement common relationship to USB, chassis and protective earth: Computer power / charger / vehicle support equipment / other instruments: Applicable signal-input limits and source: Applicable common-mode / return-to-other-reference limits and source: For EACH active channel: Channel / signal point / return point / diagram or sketch: Probe / lead / coupling / scale / range: Expected signal and transients / applicable limits resolved: Math expression and retained original channels: Setup photo or sketch / preconnection questions resolved by: Capture file / operating state / actual observation: Unresolved item / next authorized check / owner: