Using the Oscilloscope
241
The Delta marker function is performed by:1Setting the marker to the first point desired.
2Position the cursor to the marker time and/or lvl readouts.
3Press the REF SET key.
Note that the readout now displays 0 and “Ref” below it.
4Position the cursor to the Position field.
5Move the marker along the displayed response.
The marker readout now displays the delta from the set reference point.
To turn the reference set off:
• Press the REF SET key.
• Press the ON/OFF key.