13
AUDIO TARGET IDENTIFICATION
While the LCD (Liquid Crystal Display) is very accurate in identifying
buried objects, the user in the field does not always maintain the display
screen in his field of vision. Therefore, we have incorporated an audio
feedback mechanism to alert the user to the nature of buried objects.
This audio feedback system first alerts the user to the presence and
classification of objects, whose nature and location can be confirmed
using the LCD display.
The detector will sound three different tones. These three tones
correspond to the three target categories depicted on the LCD display.
LOW TONE
Ferrous objects, such as iron and steel, will induce a low tone.
Small gold objects can also induce a low tone.
MEDIUM TONE
Pull-tabs, newer pennies (post-1982), larger gold objects, zinc,
small brass objects, and most bottle screw caps will induce
medium tones. Many recent vintage foreign currencies will
induce medium tones, including loonies & toonies.
HIGH TONE
Silver and copper coins, larger brass objects, older pennies (pre-
1982), and highly oxidized metals will induce high tones.
Quarters, dimes and other precious coins fall into this category.
Audio Target Identification (ATI) classifies metals into three categories.
LOW TONE
Nails, Bottle Caps,
& Small Gold
MEDIUM TONE
Old & New Pull Tabs, Zinc US Pennies
(Post 1982), Nickel, Larger Gold
Objects, Pennies, Loonies & Toonies.
HIGH TONE
Copper, Silver & Brass
Copper Pennies (Pre 1982)
8
VI. Press the MODE touchpad again.(*)
a. A flashing indicator will point toward IRON.
b. The flashing indicator tells us that Iron has
been eliminated from detection.
VII. Wave the Nail over the Search Coil
a. The Nail will not be detected.
b. The Nail has been "Discriminated Out."
VIII. Wave the Quarter, Penny, and Pull-Tab
over the Search Coil
These non-ferrous objects will be detected with their own
distinctive tones.
IX. Press the MODE touchpad again.(*)
a. The detector will beep twice and the sensitivity setting will flash on
the left side of the display.
b. Notice the flashing arrow pointing toward Iron.
The flashing arrow indicates that this target category is currently
"Discriminated Out."
X. Press the MODE touchpad again.(*)
The flashing arrow will now point
toward MID-RANGE.
XI. Wave all objects over the Search Coil
The Pull-Tab and Zinc Penny will not
be detected.
The other objects will be detected
with their own distinctive tones.
XII. Toggle modes by pressing the MODE
touchpad again.(*)
a. Press once to see the current discrimination status of the detector
(Mid-Range Eliminated).
b. Then press again to toggle to the third discrimination setting.
i. Iron is eliminated.
ii. Mid-Range Metals are eliminated.
iii. Only high-tone metals like silver and copper will be detected.
(*)Note: The mode status will flash for 10 seconds. After 10 seconds,
mode status will time-out and stop flashing.
Q
UICK-START DEMONSTRATION
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