General Operating Information 2
Keysight U2020 X-Series User’s Guide 43
Table 2-2 Power meter settings in the Normal mode description
Item Description
Presets – Preset the instrument to its default values or values appropriate for measuring the communications format.
The data stored in the correction (FDO, gamma, and S-parameter) tables, the selected correction table, and the zeroing and
calibration data are not affected by a preset.
– Perform a system reset.
Channel Setup – Set the channel mode to the Normal or Average Only mode.
– Set the measurement frequency.
– Set the channel offset which is applied to the measured power prior to any mathematical functions. Refer to “Simplified
Measurement Path” on page 74.
– Set the automatic or manual measurement average mode. The number of readings averaged can range from 1 to 1024.
Increasing the value of the measurement average reduces measurement noise, but increases measurement time. The
measurement average filter can also be reset. Refer to “Typical Averaged Readings” on page 75.
Calibration Auto-calibrate the U2020 X-Series without having to connect it to a power reference, or auto-zero the U2020 X-Series
internally or externally.
Internal zeroing can be performed with or without the RF/microwave signal present, while external zeroing must be performed
without any RF/microwave signal present.
Measurement – Run/stop the measurement.
– Set the logarithmic (dBm) or linear (Watt) measurement unit.
– Set the measurement offset factor. The U2020 X-Series corrects every measurement by this factor to compensate for the
gain/loss.
– Enable the relative mode, which computes the measurement result relative (as a ratio) to a reference value. When enabled,
the reference value can be set using the <Rel> control. The relative reading is displayed in either dB or %.
– Enable the difference or ratio measurement, or disable all operations between feed 1 and feed 2.
– Configure the gate and acquired measurement type for the feed.
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