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Pyle PHMD84 Owner's Manual page 6

Waterproof metal detector, adjustable sensitivity, discrimination control, headphones

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Battery
Make sure the unit is powered off when inserting or replacing the battery. Unscrew the battery cover and
place a 9V battery into the battery compartment, according to the battery polarity symbols. Replace the
battery compartment cover and make sure the rubber gasket is correctly placed to ensure a water tight seal.
Once the battery is inserted correctly, replace the battery cover.
If you don't use the detector for a long time,
please remove the battery from the battery compartment.
*Please note, factors including the size, angle and material of the target found, along with the composition
and type of the ground floor surface, will all affect the indication values.
Sensitivity Adjustment - Labeled 'SENS'
The sensitivity control knobs doubles as the power switch. Rotate the knob counter-clockwise until a slight
'click' is felt - indicating the power ON/OFF state of the metal detector. Rotate the knob clockwise to
increase sensitivity adjustment.
Generally, treasure hunters set sensitivity settings to the highest level, if there is much electromagnetic
interference around or the ground floor detecting surface is highly mineralized, the detector will sound an
erratic tone, and if this happens, then you should reduce the detector's sensitivity. When the metal detector is
set in a higher sensitivity range setting, the detector will be sensitive to the electromagnetic interference that
comes from foreign or 'known' objects within the environment of detecting (ei. power lines, cables, pipes,
etc.). It is also possible to receive false metal detector readings from abnormal soil conditions, including the
mineralization of soil or electrical conductivity of the soil type. If you move the search coil in the detection
area,and the detector sends an unstable 'false' signal, decrease and adjust the sensitivity accordingly.
*When operating the metal detector, be sure to avoid close proximity with familiar and known metal objects
- as you intend to find unknown or hidden metal objects. The metal detector is also prone to interference
from electronic device and frequency wave generating technologies. Avoid electro-magnetic interference
and keep the unit away from cellphones, smart devices, TVs, computers, etc.
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