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When the unit is in DISC, NOTCH, AUTO-NOTCH modes, its audio
identification system automatically classifies metal objects into three
categories with three different tones—low, medium and high. It makes it easier
to identify the type of the target being detected.
Three different tones to distinguish different items detected:
Low tone for: bottle caps, nails, small gold ring and nickel (5¢)
Medium tone for: pull-tabs, S-CAPS, zinc pennies or 1¢(post 1982)
High tone for : 1¢(dated 1950), 10¢, 25¢, 50¢
When operating in ALL METAL mode, only one constant medium tone is
emitted when a target is detected. LCD only displays the depth of the target.
OPERATION
TURNING ON THE DETECTOR
Slide the power switch to ON. The unit displays all symbols on the
LCD screen. The detector sounds low , medium, high tones
respectively. After about 2 seconds the detector enters stand-by
state. At this time the LCD displays SENS, DISC, and the value of
SENS and DISC set before power off.
SETTING THE OPERATING MODE
The detector comes with four operating modes of ALL METAL, DISC,
NOTCH, AUTO-NOTCH. You can select DISC, ALL METAL,
AUTO-NOTCH, NOTCH respectively by touching MODE. LCD will
display the mode selected.
a. DISC-used for target discrimination. Press MODE several times to
get DISC mode. LCD will display DISC at the left lower corner of the
screen. Then press ADJ to adjust the range of discrimination. LCD
displays DISC/NOTCH at the right lower corner of the screen. You
also can use buttons + or – to increase or decrease the range of
discrimination.
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