1. Connect Cable box to TV with HDMI cable
2. Connect DVD/VCR to TV with HDMI or if not available component video and audio cables. Note that some DVD/VCR will not feed the VCR through these so you may need to use composite video and audio.
3. If you want to use the VCR for recording connect the Antenna/RF output of the cable box using a cable with F connectors at both ends to the Antenna input on the VCR and record on channel 3 or 4.