Advanced Digital Pulse Induction Technology The Tesoro Sand Shark metal combines time-proven Pulse Induction (PI) circuits with the latest digital technology creating the first microprocessor controlled PI detector for the new Millennium. Pulse Induction metal detectors have always been the natural choice for working wet salt beaches. Their circuitry and single loop coils will not see changes in salt-water conductivity that drive a VLF-style metal detector crazy. But they don't stop there. Choose Your Operating Mode The Tesoro Sand Shark metal detector has two distinct operating modes: VCO and Normal. When working in the VCO mode, as targets get closer to the coil, the threshold generates a louder, higher pitched tone great for pinpointing. The Normal mode works with a single tone and is used for beachcombing and other prolonged searches. Tesoro has added a microprocessor to help you customize the detector to your specific needs. This metal detecting unit includes a Pulse Width control which allows you to tune your detector to the best balance of depth, sensitivity, and battery life. You can also change the Normal mode audio frequency. Simply use the "F" Adjust knob to set the tone and you're ready to go. The Tesoro Sand Shark metal detector also has a new drop-In battery compartment for quick and easy changes. This model is depth rated to Depth 200 Feet. The average battery life is 10 - 20 hours based on your settings.
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