1Getting Started
12 U3402A User’s and Service Guide
Key Description
Measurement related operation
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 the AC+DC current measurement.
Press to toggle between the 2-wire resistance or 4-wire resistance
measurement.
Press to select the frequency measurement.
Press to toggle between the diode and continuity measurement.
+
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.
Press to select a lower range and disable autoranging. See “Selecting a
Range” on page 30 for more information.
Table 1 - 2 Keypad functions