Configuring with Web Based Management   
6.6 "Interfaces" menu 
  SCALANCE W780/W740 to IEEE 802.11n Web Based Management 
320  Configuration Manual, 08/2018, C79000-G8976-C267-13 
 
The y axis shows the course of the measured values over time from current (0 s) to the 
values received before 500 s. 
The graphic shows the strength of all signals that the access point receives in its 
environment in the configured frequency range. 
The color depends on the setting for "Color Scheme". 
●  Density Chart