Minilyzer ML1 User Manual

sweep
ML1 supports two sweep modes:
• LEVEL RMS as function of frequency
• LEVEL RMS, THD+N and Frequency as function of time
The required sweep mode may be selected through the SWEEP entry
of the measurement function submenu.
a. frequency sweep
During a frequency sweep, ML1 records the LEVEL RMS of every
input signal that has a stable frequency and level, provided that the
frequency is higher than the one of the previous sample (otherwise
the sample will be neglected).
Arrow Mode
Control
Y-Scale
Zoom Mode
REC /Stop
Control
Measurement Functions
Measurement Mode
Fig 3.16 Frequency Sweep Graph
33
Filter
Arrow Readout
Within a graph, every recorded sample is connected by a straight
line approximation to the previous/next sample, thus building the
displayed curve.
In practice, the following steps are required / available for the execution
of a frequency sweep.
• To enter the frequency sweep mode, select in the measurement
function submenu SWEEP -> FREQ.
• If required activate a filter through the corresponding menu.