Configuring with Web Based Management 
  6.6 "Interfaces" menu 
SCALANCE W780/W740 to IEEE 802.11n Web Based Management 
Configuration Manual, 08/2018, C79000-G8976-C267-13 
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The y axis shows the signal strength in dBm. 
The graphic shows how often signals occur with a certain strength in the configured 
frequency range. 
The color goes from the lowest value (0%) in black to the highest value (100%) in red. 
The page contains the following buttons: 
●  Zoom in 
 
With this icon you only show one graphic type in large format on the page. 
●  Zoom out 
 
With this icon you return to the view with all three graphic types.