White’s Electronics Prizm 6T - Manual (Page 19)

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Prizm™ 6T
1. Nine distinct target categories are listed across the top of the display
and indicate the most common metals found within these categories. It
is important to understand the display information should only be
consulted after a solid repeatable audio target “beep” has been located.
2. When operating in either the DISC or All Metal modes, the larger
numerical number on the right side of the display next to the depth bar
graph indicates a target reference number (VDI Number) much more
precisely compared to the 9 display categories. “ + ” numbers indiate a
target that is non-ferrous (not of iron steel). “ - ” indicate a ferrous target
number. Visual discrimination indication number will be consistently the
same for targets that electrically measure the same.
3. A specific metal category is dictated by the target’s metal content,
size, and shape. The reference label above the display provides a
comparison of known metals. Identical metal items indicate identical
display categories. Similar metal items produce similar display catego-
ries. Different types of metal may, however, share the same category
based on their electrical characteristics (size, shape, exact content).
For example, small aluminum foil and small gold jewelry may indicate in
the same category. The display simply tells you the most common
items for that specific category. One must use this information as a
guide. Consistency is the key. For example, if three or more bullets are
dug at the same display indication, one can assume these bullets are
common to that specific area and further identical indications are highly
likely to be additional bullets of the same size/type within that specific
area being searched. If those particular bullets are not of interest, one
may choose to ignore any further identical indications within that area.
4. Low battery condition is automatically listed on the display as a
battery icon. Low battery indicates you need to replace the batteries.
One may expect about 25 hours of continuous searching with eight
Displays