Antenna 2. Mute Control 3. Power Switch 4.3.5mm push-iron Min-XLR Microphone Input 5. LED Power Indicator 6. Sensitivity Selection 7.AUX In {3.5 mm) 8. Frequency Set 9.1CD Window 10. Turn Up/ Down Frequencies Keys 11. Recharge Jack 12. Buckle Clip 13. Battery Cover 1 B Operation and Setting u Turn-on Tum on the “Power Switch” (3), the LCD window will show “On” and the Back light & "LED Power Indicator” {5} will be light on. After 1 second, the LCD window will show channel number and battery life Indicator.