Nokia N93 - Manual (Page 116)

Troubleshooting
115
To turn off the background scan:
1 Press , and select Tools > Settings > Connection >
Wireless LAN .
2 Select Scan for networks > Never .
3 To save your changes, select Done .
When Scan for networks is set to Never , your Nokia device
still listens to available networks, and you can use available
WLAN networks as usual.