
Counterclockwise turn this ALL METALS/DISC knob to the "ALL METALS" position.
The knob clicks and the detector stays in the ALL METALS detection mode.
When this knob is in the "ALL METALS" position, clockwise turn it and, after it
clicks, the detector is in the DISCRIMINATION ( DISC ) mode.
4. POWER/VOLUME Knob
Used to turn on or off the detector or select a desired alarm volume.
To turn on the detector, clockwise turn this POWER/VOLUME knob until it clicks.
Continue to clockwise turn this knob to increase the alarm volume.
To decrease the alarm volume, counterclockwise turn this knob. To turn off the
detector, counterclockwise turn this knob until it clicks.
5. SENS Knob
Used to adjust the sensitivity of the detector.
You can clockwise turn this SENS knob to increase the sensitivity, or
counterclockwise turn this knob to decrease the sensitivity.
6. Low Battery Indicator
When the batteries are not high enough, this low battery indicator will light up as
an indication and you must replace the batteries immediately; otherwise the
detector's detecting ability will decrease or the detector will not be able to work
normally.
Preparation prior to metal detection
Before beginning an outside search, test the detector with the following metal
samples:
•An iron nail
•A five-cent coin ( nickel )
•A one-cent penny ( zinc coin, after 1982 )
•A 25-cent silver quarter