Duramaxx 10000502 Quick Start Manual page 11

Adjust handle
Adjust the search ring
Insert the batteries
Turn the lock nut of the handle clockwise to loosen it.
Press and hold the spring button on the back of the handle to
extend or shorten the stem. Then release the button. Adjust
the handle so that you can maintain a comfortable upright
position with the arm on the side and the search ring 1-5 cm
from the ground.
Turn the lock nut counterclockwise to tighten.
Loosen the knob on the side and align the search ring in such
a way that it points parallel to the ground.
Use 6 AA batteries. If the device is turned on, turn it off.
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