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Using the Oscilloscope
241
The Delta marker function is performed by:
1 Setting the marker to the first point desired.
2 Position the cursor to the marker time and/or lvl readouts.
3 Press the REF SET key.
Note that the readout now displays 0 and “Ref” below it.
4 Position the cursor to the Position field.
5 Move 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.