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20 To configure security settings 1. Perform the procedure under “To log in to the projector’s System Admin page” (page 19) to log into System Admin. 2. Click “Setup” to display the System Admin page Setup screen. • Changing only the three settings enclosed in the boxes above are required to configure security settings. Do not change the settings of any other items on the screen at this time. • For details about the other settings and other System Admin operations, see “System Admin Page Operations and Settings” (page 32). 3. Enter the SSID. • Enter any characters, up to 24 characters in total, into the “SSID” input box. However, do not use “_default1”, “_default2”, or “_default3”, because these are already used for projector default SSIDs. 4. Select the security protocol. • Click the [.] button to the right of the “Security” box and select the desired security protocol from the list that appears. The following explains the meaning of each option in the list. Security It means this: WPA-PSK TKIP Performs communication encryption using WPA-PSK protocol. TKIP and AES are encryption protocols. WPA (Wi-Fi Protected Access) is a security function for encrypting communication data. WPA uses an automatically generated encryption key that is changed at preset intervals, which provides stronger security than WEP. WPA-PSK AES WPA2-PSK TKIP Performs communication encryption using WPA2-PSK protocol. TKIP and AES are encryption protocols. WPA2 is a new standard of WPA. WPA2-PSK AES WEP ASCII 64bit Performs communication encryption using WEP protocol. ASCII 64bit, ASCII 128bit, Hex 64bit, and Hex 128bit are formats for the WEP key character string entered in step 5. WEP (Wired Equivalent Privacy) is a security function that uses a character string called a “WEP key” to encrypt data and protect against unauthorized access to wireless communications. WEP ASCII 128bit WEP Hex 64bit WEP Hex 128bit Off Turns off wireless LAN security, so communications are not encrypted. 21 5. Enter the passphrase (or WEP key). • The passphrase or WEP key entered in the “Passphrase/WEP Key” text box depends on the security protocol you selected in step 4, as described below. Security Input Character String WPA-PSK TKIP Enter the WPA-PSK or WPA2-PSK passphrase. Enter at least eight and up to 63 single-byte characters, or a hexadecimal value up to 64 digits long. Example: MyKey123 (Eight single-byte characters) 1111222233334444555566667777888899990000AAAABBBBCCCCDDDDEEEEFFFF (64-digit hexadecimal value) WPA-PSK AES WPA2-PSK TKIP WPA2-PSK AES WEP ASCII 64bit Enter five single-byte alphanumeric characters as the WEP key. Example: MyKey WEP ASCII 128bit Enter 13 single-byte alphanumeric characters as the WEP key. Example: MyKey12345678 WEP Hex 64bit Enter a 10-digit hexadecimal value as the WEP key. Example: 11AA22BB33 WEP Hex 128bit Enter a 26-digit hexadecimal value as the WEP key. Example: 11223344556677889900AABBCC Off No input required. • The character string you input here will be required when you establish a wireless LAN connection between a projector that uses the security settings and a computer. Make sure you do not forget the character string you enter. If you keep a written record of the character string, take care to ensure that it does not become lost or fall into the wrong hands. 6. After configuring the settings you want, click the [Apply] button. • This applies the new security settings to the projector and terminates the wireless LAN connection between the projector and computer. The projector will project the Wireless standby screen at this time. • For information about establishing a connection between the projector and computer after configuring security settings, see “Establishing a Wireless LAN Connection after Configuring Security Settings” (page 23). Important! Selecting the “Off” security setting in the above procedure will cause data communication over the wireless LAN connection between the projector and computer to be performed without any encryption. It is recommended that you avoid using the “Off” setting except in cases when you are absolutely sure there is no wireless communication security risk. 22 Establishing a Wireless LAN Connection after Configuring Security Settings The procedures in this section start from the point that a single projector is projecting the Wireless standby screen following configuration of security settings. They also assume that the computer was restarted after settings were configured. To establish a wireless LAN connection between the projector and a computer after configuring security settings 1. On the computer, start up Wireless Connection 3. • The Wireless Connection 3 window will appear with the message “Connecting”. • A dialog box like the one shown below as soon as Wireless Connection 3 finds the projector to connect to. 2. In the “Passphrase/WEP Key” and “Confirm” input boxes, enter the passphrase (or WEP key) registered on the projector. • Enter the character string you input ...

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