User Manual

111
Window
Main peak
width
(bins @ -
3dB)
Highest
side
lobe
(dB)
Side lobe
roll-off
(dB/octave)
Description
Hamming
1.30
-41.9
6
Also called raised sine-
squared; used for speech
analysis
Triangle
1.28
-27
12
Also called Bartlett window
Display mode: The Magnitude Mode displays the frequency spectrum of the
last waveform.
Scale: the scaling of the vertical axis.
Logarithm: the vertical axis is scaled in decibels.
Logarithm unit: the reference quantity used for the logarithm scale.
Logarithm Unit
Description
dBV
Reference level is 1V.
dBu
Reference level is 1mW with a load resistance of 600Ω.
dBm
Reference level is 1mW into the specified load impedance.
Any dB
Reference level is an arbitrary voltage.
X Scale: the scale of the frequency axis.
Linear: the axis is scaled in equal intervals from DC to the frequency.
To set the Spectrum View
1. Tap the Settings button in the top navigation bar. A dialog box opens
2. Select the Mode option in the dialog box, and then tap to select Spectrum
View.
3. Tap the input field or the dropdown arrow icon to select the desired options
from the column. Tap "OK" to confirm.