Operation of the Discrimination Control
The discrimination control is used to reject or discriminate unwanted
trash targets.
When the control is set to “0”, metal detector will be in the All-Metal
Mode and will respond to any metal targets.
By increasing the control to a higher number, the detector will begin to
reject small iron targets first, then most small foil pieces, and then
pull tabs.
Study the below chart in this section to get a better understanding of the
different levels that trash target are eliminated.
use the discrimination control by putting different coins and trash items
on the ground in a straight line about 10 inches apart. Pass each item
once and come back to increase the discrimination control knob by one
number. Then, listen to the changes in the audio response on the trash
targets, as you keep increasing the control by one. Remember that
even good targets can be eliminated at the maximum
discrimination settings.
Using the Metal Detector
On Land
After familiarizing yourself with the sensitivity and discrimination controls
you are now ready to use the metal detector
1. Turn metal detector on by turning the Power/Volume Control
clockwise. The same control also adjusts the hearing volume.
2. Adjust the sensitivity control and the discrimination control
as needed.
Underwater
Works in fresh and salt water up to 10 meters
While descending or ascending under water, keep the headset around
your neck, off your ears to make sure that you observe the surroundings
more clearly. The recommended stem length for underwater use is the
shortest stem length with the search coil adjusted parallel to the seabed
or lake bottom. Follow “On
Land” steps as above.
SEARCH COIL SWEEPING HINTS
Search Coil Positioning
Always keep the bottom of the
coil level with the ground.
Never sweep the search coil
as if it were a pendulum.
Raising the search coil while
sweeping or at the end of a
sweep will cause false
readings. Try to maintain coil
1 inch off the ground, seabed
or lake bottom at all times.
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TIP: Always keep the discrimination control at its lowest possible
settings, so you will not reject nickels and small gold rings.
NOTE: once level of volume stays the same, the pattern of the tone is
used to indicate what kind of metal target has been detected. Please
refer to the details as below:
Most trash targets will give a broken or chattered sound. When they are
discriminated, this is normal and is a design feature of this underwater
detector. It was designed by this way, so you can easily identify trash
targets. Some trash targets will give no sound at all. Practice how to
