# Atheros Client Utility Help

Introduction System Requirements Profile Management Create or Modify a Profile Remove a Profile Profile Auto Selection Switch Profiles Configure TCP/IP Configuring Win XP Security EAP-FAST EAP-TLS EAP-TTLS PEAP (EAP-GTC) PEAP (EAP-MSCHAP V2) LEAP WPA Passphrase Check Status or Diagnostics Check Current Status Check Driver Information Check Statistics Connect to Another Network Settings Signal Strength Display Data Display Display Refresh Interval Tools Tray Icon Troubleshooting Utility Enable/ Disable the Radio atherosatherosather |  | ### Pre-Shared Encryption Keys
| Defining
| Overwriting
| Disabling
Defining pre-shared encryption keys: Click the Pre-Shared Key (Static WEP) radio button on the Security tab. Click the Configure button. Fill in the fields in the Define Pre-Shared Keys dialog box:
Key Entry | Determines the entry method for an encryption key: hexadecimal (0-9, A-F), or ASCII text (all keyboard characters except spaces).
Encryption Keys | Selects the default encryption keys used. Only allows the selection for a shared First, Second, Third, or Fourth key whose corresponding field has been completed.
WEP Keys (1-4) | Defines a set of shared encryption keys for network configuration security. At least one Shared Key field must be populated to enable security using a shared key. Click on the radio button to set the key as the default encryption key.
WEP Key Size | Defines the size for each encryption key. The options include:
| 64-bit (enter 10 digits for hexadecimal, 5 ASCII characters)
| 128-bit (enter 26 digits for hexadecimal, 13 digits for ASCII)
| 152-bit (enter 32 digits hexadecimal, 16 digits for ASCII)
Click OK for the changes to take effect. ## Overwriting an Existing Static WEP Key Click the Pre-Shared Key radio button on the Security tab. Click on Configure. In the window, all existing static WEP keys are displayed as asterisks for security reasons. Click in the field of the existing static WEP key to overwrite. Delete the asterisks in that field. Enter a new key. Make sure to select the Transmit Key button to the left of this key is selected for the key to transmit packets. Click OK. ## Disabling Static WEP
| To disable static WEP for a particular profile, Select any other security option on the Profile Management tab to automatically disable static WEP OR: choose None on the Security tab to disable security, and click OK (not recommended).