Connect the hdmi cable from your set top box to the adapter.
Component cable for set top box.
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If you have a slingbox 500 connect a second hdmi cable from the adapter to your tv in order to enjoy the on screen interface for program discovery.
If your cable box has component connections the first thing you may want to do is contact your cable company and see if there is an upgraded box available.
Connect your component cables from the adapter to your slingbox.
As cable service providers continue to convert to all digital and scrambled service those that own older analog and even newer hd and 4k ultra tvs that you may have used to receive cable service without a box will be required to have a box in order to access basic cable channels.
If you are using component cables to connect your set top box to your television you will need to use a digital coaxial audio composite stereo audio or digital optical audio toslink.