UNI-T UTS3000B/A Series User Manual page 63

5. One-key Measurement
This chapter is to introduce how to use [Meas] key on the front panel (spectrum analysis mode).
Spectrum Sweeping
Press [Meas] > Swept SA
There are sweep analysis (frequency domain), FFT analysis (frequency domain), or zero span analysis
(time domain) for measurement. After spectrum sweeping is selected, the advanced measurement
function is disabled by default.
"Chapter 4" for more details.
See
Press [Meas/Setup] key to set the parameter of spectrum analysis. This key can also set the measuring
setting for other one-key measurement.
Channel Power
5-1
Figure Channel Power
Power and power spectral density are measured in the channel bandwidth specified by the user. A pair of
vertical lines on the display indicate the boundary of the channel bandwidth. The center frequency,
reference level and channel bandwidth need to be set.
Press [Meas] >Channel Power to enter the following panel menu.
Meas/Setup
Avg|Hold Num（On/Off）: Press average time (on) to specify the average number of sweep to
calculating the measurement results. Sweep time range is from 1 to 999. User can change the average
time by using the numeric key, rotary knob, direction key, or touch the panel menu. Measured average
result will be displayed after the sweeping. Select (off) to turn off this measuring average function.
Avg Mode （Exponential/Repeat） : Switch between exponential and repetition average mode. When the
specified average time of sweep is reached, this average mode is used to determine the average
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