ZyXEL Communications P-334WT Support Notes page 192

The utility will pop up on your windows screen.
Note: If the utility icon doesn't exist in your task bar, click Start -> Programs -> IEEE802.11b WLAN Card -> IEEE802.11b
WLAN Card.
2. Select the 'Encryption' tab.
Select encryption type correspond with access point.
Set up 4 Keys which correspond with the WEP Keys of access point.
And select on WEP key as default key to encrypt wireless data transmission.