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OWNER’S MANUAL
The
Discovery 2200
is a professional metal
detector. While the most
difficult aspects of metal detecting
have been automated, it is a
sophisticated electronic device which
requires an understanding of some basic
features and metal detecting concepts.
If you do not have prior experience with a
metal detector, we strongly recommend that you:
1) Adjust the Sensitivity to a low setting in the event
of false signals. Always begin use at a reduced
sensitivity level; increase to full sen
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TABLE OF CONTENTS Terminology . . . . . . . . . . . . . . . . . . . . . . . . . .3 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Quick-Start Demo . . . . . . . . . . . . . . . . . . . . .7-8 Basic Operation . . . . . . . . . . . . . . . . . . . . .9-12 All Metal . . . . . . . . . . . . . . . . . . . . . . . . .10 Discrimination . . . . . . . . . . . . . . . . . . . . .10 Notch . . . . . . . . . . . . . . . .
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TERMINOLOGY The following terms are used throughout the manual, and are standard terminology among detectorists. ELIMINATION Reference to a metal being "eliminated" means that the detector will not emit a tone, nor light up an indicator, when a specified object passes through the coil’s detection field. DISCRIMINATION When the detector emits different tones for different types of metals, and when the detector "eliminates" certain metals, we refer to this as the detector "discriminating" among di
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ASSEMBLY Assembly is easy and requires no tools. 1 Position the lower stem (the straight tube) ● with the silver button toward the back. Using the bolt and knurled knob, attach the search coil to the plastic extension protruding from the lower stem. 2 Press the button on ● the upper end of the lower stem, and slide the lower stem into the upper stem. Adjust the stem to a length that lets you maintain a comfortable upright posture, with your arm relaxed at your side, and the search coil paralle
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ASSEMBLY Adjusting the Arm Rest Most people will find the standard position of the arm rest very comfortable. Very large forearms and short forearms (particularly children’s arms), can be accommodated by moving the arm rest forward. The arm rest is adjustable to three positions. To adjust, remove the screw from the underside, then press the silver button and move the arm rest to one of the alternate positions. If you cannot fully depress the button with your finger, use a narrow object, such as
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BATTERIES Use ALKALINE batteries only. To install the batteries: 1Remove the ● battery cover by disengaging the clip at the back. 2 Align the polarity ● of the batteries correctly, with the positive "+" toward the coil plug connection, as indicated by the + and – indicators on the housing. 3 Insert (2) 9-Volt ALKALINE batteries, with the contacts pointed inward, ● and press down on the back of the batteries to snap them into place. Some brands of batteries will require moderate force to clear
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Q UICK-START DEMONSTRATION I. Supplies Needed • A Nail • A Quarter • A Pull-Tab from a beverage can • A Zinc Penny (dated after 1982) II. Position the Detector a. Place the detector on a table, with the search coil hanging over the edge. (or better, have a friend hold the detector, with the coil off the ground) b. Keep the search coil away from walls, floors, and metal objects. c. Remove watches, rings and other jewelry or metal objects from hands and wrists. d. Turn off appliances or lights tha
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Q UICK-START DEMONSTRATION (continued) VI. Wave the Nail over the Search Coil a. The Nail will not be detected. b. The Nail has been "Discriminated Out." VII. Press the “DISCRIMINATION-▲ ” touchpad twice. Three “R”s are now displayed. VIII. Wave all objects over the Search Coil The Nail and Pull-Tab will not be detected. The other objects will be detected with their own distinctive tones. IX. Press the NOTCH touchpad. A flashing “R” will appear under the 5¢/PT segment. X. Press the DISCRIMI
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BASIC OPERATION SENSITIVITY DISCRIMINATION POWERING UP Press the POWER touch pad. • The detector will beep 4 times • All display segments will illuminate momentarily • The SENSITIVITY and BATTERY indicators will stay illuminated SENSITIVITY The detector’s default sensitivity will be indicated with two segments. At this setting, the detector will detect a coin-sized object, such as a quarter, buried approximately seven inches deep. To change the sensitivity level, and thus the detection depth,
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continued BASIC OPERATION DEFAULT OPERATION The detector defaults to ALL METAL mode after powering on. In this mode, all types of metals will be detected. An object’s probable identification is indicated by the arrows at the top of the display. In addition, the probable depth of coin-sized objects is indicated by the large numeric indicator in the center of the display. All detected objects will cause the depth indicator to illuminate. The depth indication is not accurate for larger object
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continued BASIC OPERATION To increase the level of discrimination, press the DISCRIMINATION ▲ touch pad. Each time the ▲ pad is depressed, an additional "R" will appear, thus eliminating from detection the objects which fall into the corresponding categories. To decrease the level of discrimination, press the DISCRIMINATION ▼ touch pad. Each time the ▼ pad is depressed, an illuminated "R" will disappear, thus returning to detection the objects which fall into the corresponding categories. Dis
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continued BASIC OPERATION ZAP The ZAP control is a convenient way to eliminate a known undesirable metal object from detection. To demonstrate the ZAP control: 1) Set the detector in All-Metal Mode Note: ZAP functions in all modes, but is best demonstrated first from the All-Metal Mode. 2) Pass the search coil over an undesirable object. 3) Notice the Target Indication Note: You can only ZAP objects that register under the five left-most segments (from Iron to Zinc). 4) Press ZAP. An "R" ap
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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 can soun
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DEPTH AND TARGET DISPLAY S-CAP: Older screw caps from glass READING THE DISPLAY bottles will register here. Large gold The Liquid Crystal Display (LCD) shows rings, like a class ring, could also register the PROBABLE identification of the here. Some non-U.S. coins of recent targeted metal, as well as the PROBABLE depth of the target, in inches. vintage will also register here. The detector will register a repeated, ZINC: Newer pennies (post-1982) will unchanging target identification when a regi
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SENSITIVITY ADJUSTMENT ELECTROMAGNETIC INTERFERENCE The principle use for the Sensitivity Control is to eliminate Electromagnetic Interference (EMI). A hobby metal detector is an extremely sensitive device; the search coil creates its own magnetic field and acts like an antenna. If your detector beeps erratically when the search coil is motionless, the unit is probably detecting another electromagnetic field. Common sources of EMI are electric power lines, both suspended and buried, motors, and
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IN THE FIELD TECHNIQUES PINPOINTING COIL MOVEMENT When swinging the coil, be Accurate pinpointing takes practice careful to keep it level with the and is best accomplished by “X-ing” the target area. ground about one inch from the surface. Never swing the coil like 1. Once a buried target is indicated a pendulum. by a good tone response, continue sweeping the coil over the target in a narrowing WRONG side-to-side pattern. 2. Take visual note of the place on the ground where the “beep” sounds. 3.
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IN THE FIELD TECHNIQUES (continued) Swing the search coil slowly, respond with a repeatable tone. overlapping each sweep as you If the signal does not repeat move forward. It is important after sweeping the coil directly to sweep the coil at a consistent over the suspected target a few speed over the ground as you times, it is more than likely search. After identifying a trash metal. target, your sweep technique can help in identifying both the Crossing the target zone with location and the na
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IN THE FIELD TECHNIQUES (continued) angles, you many have You will be surprised just how encountered multiple objects. much trash metal and foil you If you are new to the hobby, will find in some areas. The you may want to dig all targets trashiest areas have been at first. With practice in the frequented by the most people, field, you will learn to better and frequently hold the most discern the nature of buried promise for finding the most objects by the nature of the lost valuables. To mak
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TROUBLE SHOOTING TROUBLE SHOOTING GUIDE SYMPTOM CAUSE SOLUTION Detector chatters • Using detector • Use detector or beeps erratically indoors outdoors only • Using detector near • Move away power lines from power lines • Using 2 detectors in • Keep 2 detectors close proximity at least 20’ apart • Highly oxidized • Only dig up buried object repeatable signals • Environmental • Reduce sensitivity electromagnetic until erratic interference signals cease Constant low tone • Discharged batteries •
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TREASURE HUNTER’S CODE OF ETHICS: 1. Respect the rights and property of others. 2. Observe all laws, whether national, state or local. 3. Never destroy historical or archaeological treasures. 4. Leave the land and vegetation as it was. Fill in the holes. 5. All treasure hunters may be judged by the example you set. Always obtain permission before searching any site. Be extremely careful while probing, picking up, or discarding trash items. And ALWAYS COVER YOUR HOLES! Limited Ninety-Day Warranty
