D-Link DIR-815/AC User Manual page 116

DIR-815/AC Wireless AC1200 Dual Band Router
with 3G/LTE Support and USB Port
User Manual
Parameter
Channel
Enable periodic
scanning
Scanning period
When you have configured the parameters, click the APPLY button.
The wireless channel number. Left-click to open the window for
selecting a channel (the action is available, when the Select
channel automatically switch is moved to the left).
Move the switch to the right to let the router search for a free
channel in certain periods of time. When the switch is moved to the
right, the Scanning period field is available for editing.
Specify a period of time (in seconds) after which the router rescans
channels.
Page 116 of 221
Configuring via Web-based Interface
Description