DS2400Q QAM Analyzer Operation Manual
DEVISER 54 DS2400Q
3.9 HUM Measurement
DS2400Q support HUM measurement to
analogue channel.
Press to return to main menu interface and
press or to select the HUM icon, and
then press to enter HUM function. Show as
Figure 3-9-1.
HUM modulation is also named power hum
modulation distortion, which caused by
low-frequency interference of the power. (It is
50Hz in China)
Figure 3-9-1