D-Link DSL-2740E User Manual page 21

Section 3 – Web Configuration
3) Set the security level. The default security level of wireless network is None.
Choose an encryption mode for the wireless network. It is recommended to
choose WPA2-PSK.
4) Enter a new password in WPA2 Pre-Shared Key.
5) Click Next to go to the next page.
Step 9 View the setup summary.
Click Apply to take the setup into effect.
Click Back to modify the setup.
Click Cancel to cancel the whole setup.
D-Link DSL-2740E User Manual 17