Turns out this was not the manual i was looking for. The concertmate 670 keyboard i have is a "Realistic" model made for Radio Shack and none of the diagrams on the owners manual i received matches up. HOWEVER, I must say the service Owners Manual provides was fast and efficient by being available online. The manual was in good readable condition and easily downloaded.
Thank´s for your help, I already recived these manual from you
Text excerpt from page 42 (click to view)
42
ENGLISH
Enabling Internet Connection Sharing for Windows 2000
You must have administrative rights to enable ICS in Windows 2000.
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Before you begin, check if you have a working Internet connection and if your home network is working properly (if you have one) Check the Internet connection by opening a web page with your browser. Click Start, Settings, and Control Panel.Then double-click 'Network and Dial-Up Connections' and then double-click 'Home Networking Wizard'. Right-click the connection you want to share. Then, click Properties. > The Properties window for this network connection will appear. Click the Sharing tab, and then select 'Enable Internet Connection Sharing for this connection'. > This enables the ICS feature.