When you encounter the Tini DUAL-PROPELLER is not running, don't worry, it may be thatthe machine is not networked. Tini DUAL-PROPELLER NETWORKING and STARTING UPINSTRUCTlON Step1. Assemble the dual-propeller handle support and choose any control handle for assembly. Step 2. Confirm that both power systems are in shutdown state. Step 3.Toggle the switches of the two power systems for 6 seconds, until the indicators of the two bodies are flashing green. The two power systems enter networking state. Step 4. Press the left button of the control handle for 3 seconds, until the two indicators of the handle are steady green. Step 5. Press the right button of the control handle for 3 seconds, until the right indicator of the handle is flashing green. Control handle enters the network state. Step6. Both indicators of the two power systems turn steady green, no longer flashing. Networksuccessfully. TiPS: * After completing the above networking operation, Tini can be useddirectly each time, no need to network again.* if the dual-propeller mode needs to be disassembled and used separately. After the unused control handle is networked with thepower system, it is ok. *Before use, please fully charge the lithium battery and the controlhandle. For more information, please contact Sublue official customer service support@sublue.com for help.