9
Noise Cancel
Minimising electrical interference.
Noise Cancel is a function which
reduces the effects of some types
of electrical interference, such as
power lines, or other nearby metal
detectors. During Noise Cancel, the detector
automatically searches for and selects the
quietest operating channel.
If the detector is noisy when held stationary,
use Noise Cancel to reduce interference.
To operate Noise Cancel:
1. Hold the coil stationary and away from
the ground.
2. Press and release the Noise Cancel button.
3. Wait for the Noise Cancel process to finish.
4. Commence detecting.
The Noise Cancel process will take
approximately 50 seconds to complete. A series
of beeps will be emitted during the process,
followed by four single beeps at completion.
Threshold
Adjusting the background audio level.
Threshold is the constant audible
background tone produced by the
detector. When a target is
detected the threshold changes in
both volume and pitch. The Threshold level
could be considered an audio reference point.
Small targets or large deep targets may not
produce a distinct target signal, but may cause
only a small variation in the Threshold.
Therefore it is important to set the Threshold
so it can be heard. If the Threshold level is set
too high or too low, these small variations may
not be heard.
There are nine Threshold levels available on your
SDC 2300. Each press of the Threshold button
will increase the Threshold by one setting as
indicated by the LEDs. If the Threshold is already
at the maximum setting, then pressing the
button will cycle back to the quietest setting.
Adjusting Settings
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