The MI-4 is a traditional pin pointer, designed to be used by all detectorists at an attractive price, the MI-4 has the same specifications as the MI-6, without the DEUS / ORX radio connection.
“XP quality at a competitive price” – said ilovedetection.com
When operating, you can re-calibrate the pinpointer by briefly pressing the button while away from any metallic source.
On mineralized ground and salt water, it is advised to re-calibrate while in contact with the ground.
To obtain a precise target location, re-calibrate near to the object, the detection zone will now be reduced.