Sony PSP-1003 - Manual (Page 116)

116 Network Settings
7
Select the address setting method.
This screen is used to select the settings listed below. Most home networks
will allow you to use the settings shown in the "Easy" setup (this is the
recommended setup).
After you have finished entering your settings, press the right button to go
to the next screen.
Easy
The following information is automatically set.
- IP address settings: Automatic
- DNS settings: Automatic
- Proxy server: Do Not Use
- Internet browser: Do Not Start
Custom
You can manually enter detailed setting information, such as is
used with a static IP network. For details, refer to the
instructions supplied with the network device or the information
provided by your Internet service provider.