YA-S4 TOP VIEW
1. YPbPr/Coaxial/Audio Output
2. EQ – Equalization length adjust (Adjust it and weak characters be sharp)
3. GAIN – Adjust brightness
4. Power LED
YA-S4 FRONT VIEW
1. RJ-45 Input
2. RJ-45 Output
3. Power jack
YA-S4 REAR VIEW
1. Audio or Coaxial selected
