QYSEA FIFISH V6 Quick Start Manual page 7

A. Turn ON the remote controller. Press and hold the ON/OFF button,
until you hear 7 low to high chimes (Do, Re, Mi, Fa, Sol, La, Ti)
B. The "ON/OFF", "Depth Holding" and "LOCK/UNLOCK" will rotate
clockwise, which indicates "Ready to be connected"
C. Plug the tether (3.5 mm head) into remote controller
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