Agilent Technologies U3401A User's And Service Manual page 31

Table 1-2 Keypad functions
U3401A User's and Service Guide
Key
Measurement related operation
+
+
+
+
Description
Press to disable the secondary display.
Press to select the DC voltage measurement.
Press to select the AC voltage measurement.
Press to select the DC current measurement.
Press to select the AC current measurement.
Press to select the AC + DC voltage measurement.
Press to select AC + DC current measurement.
Press to select the frequency measurement.
Press to toggle between the diode and continuity measurement.
Press to toggle between resistance or resistance continuity.
Press to select dBm measurement.
Press to toggle between manual ranging and autoranging.
Press to select a higher range and disable autoranging. See
"Selecting a Range" on page 30 for more information.
Getting Started 1
13