Siemens SIMATIC NET SCALANCE W720 Operating Instructions Manual page 24

Description of the device
3.5 LED display
LED
P1
R1
Note
Primary user (radar) on all enabled channels (only when DFS is enabled)
If the device detects competing radar signals on all enabled channels of the WLAN interface,
the F LED is lit and R1 flash. No data traffic is then possible for the next 30 minutes. After
this time, the device runs the scan again and checks whether a primary user still exists. If no
primary user is detected, data traffic is possible again.
The wait time of 30 minutes is necessary due to legal requirements and cannot be shortened
even by restarting the device.
24
Color Meaning
Flashing yellow The port LEDs flash for detection of device location.
The "Flash" function is activated with the SIMATIC NET Primary Setup
Tool (PST).
Operating Instructions, 10/2019, C79000-G8976-C322-11
SCALANCE W760/W720