Samsung UN55ES8000G E-Manual page 707

outputting a signal. To test the signal
output of your cable or satellite box,
press the guide or info button on the
cable or satellite box remote control. If
the screen displays the guide or info
data, the problem is caused by the box.
Cannot Find a Channel
→ Setup)
Re-run Setup (Go to System
→
or run Auto Program. (Go to Channel
Auto Program).