Rel; Figure 2-2 Typical Rel Operation Display - Agilent Technologies U3401A User's Manual And Service Manual

2 Operations and Features

Rel

When making Rel (relative) measurements, each reading is the difference
between a stored relative value and the input signal. For example, this
feature can be used to make more accurate resistance measurements by
nulling the test lead resistance.
After you enable the Rel operation, the multimeter stores the next reading
as a Rel # (reference value) and immediately displays on the primary
display:
Primary Display = Reading – Rel #
When the Rel operation is enabled in autoranging mode, enabling the
Comp or Percentage operation will disable the Rel operation.
Procedure
1 Press

Figure 2-2 Typical Rel operation display

32
to exit the relative mode.
U3401A User's and Service Guide