Honda Hondex HE-773-III-Di Operation Manual page 83

18. After the completion of installation, confirm the operating condition for the hull unit.
Firstly, loosen the knob of storage pipe cover followed by moving the unit up and
down.
After deciding the unit location, tighten the knob and fix the pipe.
The positioning clip matches to the pipe clamp at the lower limit position.
Like the drawing below, the hull unit location is within the specified range.
Lower position: Stroke 150mm
Upper position: Transducer is stored inside the pipe 20mm or more.
Positioning clip
78
Positioning clip
Knob