Category A / B (Opt. 1): Select spectral emission mask Category A.

 

Select Mask: Press this key to display a list of standard and custom spectral emission masks. For NB‑IoT, choose the “NB‑IoT Fixed” mask type. See Figure: Spectral Emission Mask List Box.

 

 

 

Summary Table Off/On: Turns on and off the table of spectral emission measurement results at the bottom of the instrument screen.

 

Back: Returns to the Measurements Menu.