Roll Mode
3–100
TDS 420A, TDS 430A, TDS 460A & TDS 510A User Manual
Acquisitions
Continue
Untriggered Roll
Complete Waveform Record
Acquisitions
Stop
Untriggered Roll With Single Sequence
Trigger Point
Triggered Roll
Triggered Roll With Single Sequence
New Data Points
Start at Trigger Point
Acquisition
Sequence
Restarts
Acquisitions
Start
New Data Points
Acquisitions
Start
Acquisitions
Stop
New Data Points
Start at Trigger Point
New Data Points New Data Points
Complete Waveform Record
Complete Waveform Record
Trigger Point
Old Data ContinuesOld Data Continues
Old DataOld Data
Old DataOld Data
New Data
After Trigger
New Data
After Trigger
Old DataOld Data
New Data
After Trigger
New Data
After Trigger
Old DataOld Data
Figure 3–53: Roll Mode (500 Point Record Length)