3The sequence to shut down is that turn off the receiver power first, and thenshut down the transmitter. If the above operations are reverse, it might lead touncontrolled situation and cause accidentsThe transmitter needs to be powered by 4 AA alkaline 5# batteries or Ni-MHbatteries. Please check the voltage of batteries before using, as it might lead touncontrolled situation and accidents when the voltage is lacked. So you must changethe battery or recharge them in time.Recharge steps:A. Install the batteries to transmitter with correct directions, and cover it.B. Connect the charger to the main connector.C. Connect the charger to the transmitter charging port.D. Cut off the power supply immediately while recharging completed.Warning: Don’t try to charge to one-off dry batteries, avoiding a fire, explosion orother severe consequence.If you are using a nickel-cadmium, nickel-metal hydride batteries for recharging,please use our company dedicated charger(optional accessory). If the electricalcurrent is too large and it might lead to overheated and cause a burning accident.Please cut off the power supply immediately after recharging. Please take out thebatteries from the transmitter when you are not using it within a period, because thebattery might damage the battery connection metal flake, thus cause bad connection.Above safety notices must be complied strictly, our company will not beresponsible for any damage caused by the behaviors forbidden in above notices.Battery recharge notice