It seems that you need some assistance in order to get your Slingbox Classic up and running.
First, you must understand that the Slingbox Classic might be affected by the end analog broadcasting. With this in mind, I recommend you to check the following link, where you will find some important and useful information:
Having said that, I recommend you to check this link in order to get all the information about the Slingbox Classic:
I also recommend you to check this article in order to know if your AV source is included on the supported devices list:
Finally, the following links will provide you with all the information about the Slingbox SOLO and the Slingbox PRO-HD and some other available options: