Zync Zumbox 32W Wireless Bluetooth Portable Speaker,FM, Aux, USB & TF Card Slot (Black) F2F (40 pcs each) insert the black test lead

insert the black test lead into the COM (common) terminal and the red lead into the V terminal

as voltage imbalance can cause LCD display malfunction

ensuring the probe attenuation setting matches your measurement range (typically 1x for signals under 10V and 10x for higher voltages)

The spectrum display will show real-time frequency content with power levels on the vertical axis and frequency on the horizontal axis

Zync Zumbox 32W Wireless Bluetooth Portable Speaker,FM, Aux, USB & TF Card Slot (Black) F2F (40 pcs each) insert the black test leadZync Zumbox 32W Wireless Bluetooth Portable Speaker,FM, Aux, USB & TF Card Slot (Black)