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Controls-
1. Trigger (on bottom of Hand Grip)
CENTER POSITION "Search" -
With the two position spring loaded Trigger on the hand grip in the center, the ST is in the Search Posi-
tion. In this position ALL metal targets will produce an Audio Response from a menu of seven different tones
which relate to the VDI numbers which appear on the Visual Display. IRON produces the "Lowest Tone"
(Grunt) thru COINS the Highest Tones. This feature makes the detectorist immediately aware of
the likely category of the metal item without having to watch the Visual Display while search-
ing. Each of the seven tones relates to the group of Display Categories as shown on the diagram at the bottom
of page 4. Gold jewelry will make a clearly higher tone than the Iron Grunt but Lower than the
high coin tones. After hearing the Tone Alert, THEN stop to look at the Visual Display for more informa-
tion before deciding whether or not to dig the target. Personally, I usually dig ALL targets which
are NOT clearly Iron. In this way I don't miss any good targets. As you get more experience,
however, you will be able to sort out the different higher sounds along with watching the VDI numbers dis-
played on the screen and be able to ignore some of the "non iron" pieces of trash.
SQUEEZED POSITION "PINPOINTING & DEPTH READING"
After deciding you wish to dig the target, Squeeze and Hold the spring loaded Trigger on the hand
grip and crisscross the target as shown on the bottom of page 2. At this time the display will also indicate the ap-
proximate depth of a coin sized target in inches. Once released the trigger will automatically return
to the Center "Search" position.
It will also be noted, that while the Pinpoint Trigger is squeezed, the Sierra ST will STOP Track-
ing. It is very important to prevent tracking during pinpointing as repeated passes while Xing
over the target may cause the tracking system to track INTO the target and diminish the signal smaller or deeper
targets.
Trigger control
on the hand grip
P/P
Search
Sierra Super Trac Owner's Guide
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