Nokta detectors Velox One User Manual - Manual (Page 10)

CORRECT WAY OF HOLDING
Shaft height is wrong.
It is very important to adjust the shaft to your height correctly to be
able to search without discomfort and fatigue.
Shaft height is correct.
Adjust the height of the shaft so that you are standing in an upright
position, your arm is relaxed and the search coil is approximately 5cm
(~2'') above the ground.
9 NOKTA ENGINEERING