Chasing F1 Instructions Manual page 3

Connect the probe and the watercraft
a） Check that the cable of the lamp at the probe is connected to the
probe interface and is fastened in place ( shown in 1); )
b ) Connect the connector of the watercraft to the probe cable socket
(shown in 2) and tighten the nut.
c ) Clamp the cable clip of the watercraft to the probe (shown in 3),
align with the mounting hole, and then forcefully insert the cylinder bolt
into the hole.