3 Features and Functions
74 Keysight 34420A User’s Guide
– Remote operation: Set the integration time for the measurement function. If
possible, use NPLC 200. If you use the CONFigure or MEASure commands,
refer to the table on page 144.
Use the math operations (AVERage) to average the readings or average the
readings in your program. An example program that uses the math operations
to average readings is shown on page 243 in Chapter 6. Do not use the digital
filter to average readings, see page 69.
Number of Digits Displayed
Front Panel operation only. See also “Integration Time” on page 71.
– You can set the number of digits shown in the display to 4, 5, 6, or 7 full digits,
plus a “½” digit which can only be a “0” or “1”.
– You can set both the number of digits displayed and the Integration Time in a
single operation by pressing digits keys (see page 54).
– You can change the number of digits displayed without disturbing the
Integration Time settings by pressing the < or > keys (see page 54).
– The number of digits is set to 6½ digits at power-on and after either a remote
interface reset or preset.
– The number of digits shown is dependent upon integration time and filter
settings. The meter will not allow you to show more digits than the practical
measurement capability of the meter. You can, however, reduce the number of
digits shown. The minimum number of digits available is 4½. (See the table on
page 71).
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