User manual WHITES ELECTRONICS AUTO SCAN

[. . . ] 4 Using the Standard Battery Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Rechargeable Battery(Opt. ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Battery Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Chapter 3 GMT Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] If the THRESHOLD "hum" DECREASES or dies out as the searchcoil approaches the ground , push or "tap" the plus(+) button on the touch pad until the downstroke motion of the searchcoil causes no DECREASE in the loudness of the THRESHOLD "hum. If the sound gets quiet as the coil approaches the ground, give it more volume (+). On the other hand if the THRESHOLD "hum" INCREASES as the searchcoil approaches the ground, push or "tap" the minus (-) button on the touchpad until the downstroke motion of the searchcoil causes no INCREASE in the loudness of the THRESHOLD "hum". If the sound gets loud as the coil approaches the ground, turn it down, press (-). More negative mineral is corrected with the (+) pad and more positive mineral is corrected with the (-) pad. No change or a constant threshold when the coil is pumped up or down represents perfect ground balance. Slight increase in sound on the down push is preferred by most prospectors in the absence of tiny hot rocks. GRAB TOUCH PAD GROUND BALANCE TOUCH PAD BUTTONS "Manual" Ground Balance For ultimate control in detecting small nuggets in areas where ground mineralization is fairly uniform you may want to try to GROUND BALANCE manually. The "pumping" adjustment procedure in the following paragraphs describes how to achieve manual ground balance for a particular area by using the (-) and (+) touch pads Many professionals manually set GROUND BALANCE so that a slight increase in sound is heard when "pumped" toward the ground. This technique makes the very tiniest nuggets (flakes of gold) visible to the detector. You may have to return to "perfect" GROUND BALANCE ( where there is no change in the sound of threshold when the search coil is pumped up and down ) if small red hot rocks (positive mineralization) become a problem in the search area. The new GMT introduces digital microprocessor control with a much higher 4000:1 resolution for manually adjusting GROUND BALANCE. You can practice with different sized nuggets and at different depths. Remember, planting a target disturbs the ground mineral, which usually reduces the depth it would have been found in undisturbed ground. It will take practice to determine the proper search speed and technique. Try to overlap your sweep path so that you won't miss the tiny and deeper nuggets. When you hear a zip-zip, perform the "X" pinpoint technique(page16) over the loudest portion and eyeball the center. Rather than concentrating on all of the controls of the detector, think of the detector's systems as an extension of your senses that are working together to tell you what is below ground. The GAIN, the GROUND BALANCE, the VSAT speed, the THRESHOLD, the IRON I. D. , all working together at the same time. Soon the detector will not even be noticed and your senses will take over, painting a mental picture of what lies below. Dig ALL Metal Targets at first Then Reject Iron: At first, dig all targets until you get used to the sound of various items. detectors, a nail or oblong piece of iron laying horizontally will produce a double beep. Any of these metals can simulate the sound of a gold nugget and must be dug. [. . . ] This video explains how to use the GMT in the field, as well as explaining the many varied options. White's recommends the this video cassette as a valuable learning aid for both beginners, and experienced metal detector users. For more information, please contact your Dealer. Owner Information Serial Number: __________________________ (inside of battery compartment) Purchase Date: __________________________ (The date on the sales receipt) Dealer Name: _____________________________________________________________________ Address: ___________________________________________________________________ ________________________________________________________________ Telephone #: Payment method: __________________________________________________________________ Personal markings: _________________________________________________________________ ________________________________________________________________ 28 Introduction All White's ground canceling detectors are capable of finding gold nuggets in the ground. However, none will perform as efficiently as the line of Goldmasters created especially for nugget hunting. [. . . ]