How can I turn the FIFISH PRO V6 PLUS on & off?

Power ON: Connect the tether cable to from the remote controller the FIFISH ROV, and ensure the cap is tightened. Proceed to turn on the ROV by pressing the power button of the remote controller.
(pleasure ensure the cables and ports are clean and dry).

Power OFF: Hold the power button for several seconds and the FIFISH ROV will power off automatically. Proceed by unscrewing the cap as well as disconnecting the FIFISH ROV from the tether and controller.