A: First you need to select the frequency and this is determined by which sate you live and the following chart will help.
http://weatherradios.com/stations-and-frequencies
After you determine the frequency for your area, you'll need to program the radio. Reference page 8 in the instruction manual,
See link below:
https://www.spectraintl.com/images/stories/pdf/fa/UM/SFA1100_EIB.pdf