D-Link DHP-1320 User Manual page 116

Section 3 - Configuration
Channel Width:
Select the Channel Width:
Auto 20/40 - Select if you are using both 802.11n and non-802.11n wireless devices.
20MHz - Select if you are not using any 802.11n wireless clients.
Wireless Security
Locking the wireless security settings prevents the settings from being changed by any new external user using its PIN. Devices
Settings:
can still be added to the wireless network using Wi-Fi Protected Setup. It is still possible to change wireless network
settings with Manual Wireless Network Setup, Wireless Network Setup Wizard, or an existing external WLAN Manager
user. Please refer to page 121.
Save Settings: Click Save Settings to save and activate the new changes.
D-Link DHP-1320 User Manual 111