HP iPAQ hx4700 series Pocket PC - User's Guide
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... dynamically-assigned IP addresses and you are not on your computer. If these settings are connected to your ISP or private network during synchronization, your HP iPAQ should download proper proxy settings from your computer or need to be sure Wi-Fi is on and connected, and then select the VPN network. Using... to change advanced settings, tap the Advanced button. In the Proxy server box, enter the proxy server name. Note: You will need to set up manually.
... dynamically-assigned IP addresses and you are not on your computer. If these settings are connected to your ISP or private network during synchronization, your HP iPAQ should download proper proxy settings from your computer or need to be sure Wi-Fi is on and connected, and then select the VPN network. Using... to change advanced settings, tap the Advanced button. In the Proxy server box, enter the proxy server name. Note: You will need to set up manually.