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4) Low sensitivity test: If you need to exclude the very small metal objects, you can hold down
the low sensitivity switch (6). Then conduct exploration sweep around the measured object,
alarm will only sound when metal is large enough to detect as the wand sweeps by the object,
the alarm will sound or vibrate when near metal. The light will illuminate red when metal is
detected. It will return to green and sound or vibration will stop when no metal is near sensor field.
Sensitivity is reduced by 5 times when sensitivity switch is activated.
7. Sensitivity Adjustment
1) If the detection range does not meet your requirements or if detection is unstable or too
sensitive you should adjust the sensitivity. If units geo-chemical detection detects body parts or
other non-metal objects than sensitivity needs to be adjusted. Adjustment can be made by
inserting a small flat head electronic screwdriver into hole and turning small reo-stat. Please
do not try to adjust sensitivity with an object other than tools specified for the job.
2) Select the sound, vibration switch (9) when released detector will sound, use a small
electronic screwdriver in the adjustment hole. When you feel that the screwdriver is seated in
adjustment slot turn counter clockwise to increase sensitivity. Turn clockwise to decrease
sensitivity. Hold unit next to metal object and listen to alarm until required range is found.
8. Attention
1) Do not forget the power off after use.
2) If not being used for a long period of time, remove battery.
3) Top of probe not intended for detection, sides of probe are the detection area during
sweeping motion.
4) When Charging, please turn off the power switch (7).
5) Charger voltage: DC 10V (with charger).
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