Hantek 6022BE You can select the Source channel, Window algorithm, FFT number, and FFT Zoom factor. It displays only one FFT spectrum at a time. Source : Selects the channel used as the FFT source Window : Selects the FFT window type Scale : Selects the vertical scale units Vert Scale ： Selects the vertical scale HORI Scale: Selects the FFT zoom factor Sets horizontal scale, If the information is more than the quantity displayed to the display window, more information is displayed by using scroll bar. You can click the “ON/OFF” button to start FFT math, also you can click this button to stop FFT math. 3.2.2 Set Reference Click “ ” in Toolbar to set REF. The Reference Channel Function:
Turn On/Off: Turn on/off the reference channel. Volt/DIV: Channel the resolution of the reference channel. Time/DIV: leading the setting of the time base parameters. User’s Manual 29