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Part 2: TECH TALK
TRASH DENSITY “What is it and how will it help me nd more?”
With the addition of improved digital filtering developed exclusively for Safari, this professional option is now vastly
improved and as a result can improve target discrimination and corresponding target ID’s.
Signals can also sound “crisper” and more informative as well.
There are two settings for this control High (Default) & Low Trash Density.
High is suitable for areas with unusually high amounts of ferrous (iron) trash (the likelihood of more than one target
under the coil at any given time) and also areas with highly variable ground mineralisation. High setting detects
targets at a faster rate, so in areas with a lot of trash, particularly if close together, High may be best.
High setting is more likely to detect the presence of a “good” target in amongst a number of rejected targets.
Similarly, High is the preferred setting when detecting in heavily mineralised or variable ground. A slightly faster
sweep speed can work best in High as the Safari signal response works faster to pick out good targets in between the
trash but requires a wider discrimination pattern.
However, if searching for a “specific” target, a much narrower “Accept” pattern is possible, allowing you to ignore a
greater percentage of unwanted trash or other targets.
In Trash Density Low which is suitable to cleaner ground a slower sweep speed can get the best results and can
provide more accurate discrimination.
Low is a speciality setting which should only be used in clean ground such as beaches or some inland locations such
as open forest, woodland and large uncluttered open fields. In these locations Low can provide you with the most
precise Target ID’s.
Low can also have a slightly better depth capability in most soil conditions, but is not recommended in areas where
targets may be close together. A normal sweep speed can also work better when Low is selected.
The Quickstart Coins and Coins & Jewellery Modes may suit the beginner or someone first starting out on the great
adventure that metal detection is, and the Relic and All-Metal Modes may suit the “more experienced” detectorist or
a person who is more used to hearing “all sounds” from both wanted & unwanted targets along with the occasional
ground noise as well. This is where the “more professional” approach comes in; deciding to dig or not dig based on
the interpretation of all visual and audible information presented to a user during “the normal detection” of any
target.
If you adapt a mode to your own preferred settings, you can then program it as a new search mode into one of four,
user defined slots. This gives you the added flexibility of creating extra modes for particular environments.
Safari has the means and ability to present itself well no matter what the job and, during my time with Safari
prototypes it was found to be a lot more capable than I expected for the types of tasks which I asked it to do.
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