HP ProCurve 530 NA (J8986A) Management And Configuration Manual page 219

Using the CLI to Configure No Security. The following example shows
how to configure an WLAN interface to have no security set.
ProCurve Access Point 530# configure
ProCurve Access Point 530(config)# radio 1
ProCurve Access Point 530(radio1)# wlan 1
ProCurve Access Point 530(radio1-wlan1)#security no-security
ProCurve Access Point 530(radio1-wlan1)#
Wireless Security Configuration
Manual Configuration Using the CLI
7-25