Tesoro Mojave Operator's Instruction Manual
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Tesoro Mojave Operator's Instruction Manual

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OPERATOR INSTRUCTION MANUAL

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Summary of Contents for Tesoro Mojave

  • Page 1 OPERATOR INSTRUCTION MANUAL...
  • Page 2 Under the copyright laws this documentation may not be copied, photocopied, reproduced, translated or reduced to any electronic or machine-readable form, in whole or in part, without the prior written consent of Tesoro Electronics Incorporated, except in the manner described in this documentation.
  • Page 3 The final step is to be persistent. There is no substitute for time in the field. Your success should grow with your experience and confidence. All of us at Tesoro wish you success and enjoyment in your trea- sure hunting experience. Vince Gifford...

  • Page 4: Table Of Contents

    Setting the Sensitivity Level..............15 Setting the Discrimination Level............16 3 Color Zones..................17 Ground Condition Selector Control: High/Low........19 High Ground Conditions vs. Low Ground Conditions......19 Ground Sample Testing for High or Low..........20 Recognizing False Signals..............21 Controlling Audio Volume..............21 Handling Your Detector................22 MOJAVE MANUAL...
  • Page 5 Pinpointing a Target................23 Recovering a Target................23 Planting a Test Garden................24 Audio Reactive..................24 GENERAL INFORMATION Basic Care....................26 Protecting Your Investment..............26 Search Coils..................29 Tesoro Search Coils................30 Tesoro Accessories................30 Scuff Covers..................31 Headphones..................31 Recommended Recovery Methods............32 Metal Detectorist's Code of Ethics............34 Specifications..................35 Trouble Shooting...................36 Warranty Service/Description..........Back Cover...
  • Page 6 This is Called a "QR Code." It represents a web site address. This particular QR Code represents the link to your Mojave Owners Manual. Scan this code with your smart phone to gain quick access to your manual while in the field! We hope you enjoy this new feature.

  • Page 7: Getting Started

    GETTING STARTED UNPACKING THE BOX Your Mojave Metal Detector was shipped with the following: 1 - Upper Pole Assembly Fully assembled, including upper pole stem with handle grip, padded arm bracket, pole lock and control housing 1 - Middle Pole Assembly with Pole Lock...

  • Page 8: Installing The Battery

    If any of these items are missing, immediately contact the Tesoro Authorized Dealer where you purchased your detector. Assembly of the Mojave is simple and requires no special tools. Just install the battery, mount the search coils on the lower pole assem- blies, connect the pole assemblies together, wrap the excess cable around the pole and plug the cable into the control housing.

  • Page 9: Attaching Lower Poles To The Coils

    (a splash of water on friction washers helps). Figure 3 — Pole Tip In Search Coil Mounting Ears 3. Insert the mounting screw through the holes in the mounting ears and pole tip. TESORO ELECTRONICS, INC.
  • Page 10 5. Wrap the cable around the pole and use one-wrap Velcro strip to hold cable per Figure 5. This will prevent the cable from flopping while not in use. Figure 5 — Lower Poles Properly Attached to Coils MOJAVE MANUAL...

  • Page 11: Assembling Your Detector

    NOTE: Do not allow the cable to flop loosely over the search coil. Since the detector is sensitive enough to “see” the wires in the cable, a floppy cable can cause false signals as the search coil senses the moving wires. TESORO ELECTRONICS, INC.
  • Page 12 You are Finished! Figure 7 — Connecting the Cable NOTE: You will want to adjust the pole length and the search coil angle to your preference. See Field Use Section, Page 14. MOJAVE MANUAL...
  • Page 13 GETTING STARTED Figure 8 — Properly Assembled Mojave TESORO ELECTRONICS, INC.

  • Page 14: Controls

    Use the information in this section and the Field Use Section “Tuning Your Detector” as a basis for setting the controls on your detector. Using your Mojave Metal Detector in the field will allow you to learn the detector’s responses to various conditions and will guide you in fine tuning the detector’s oper-...

  • Page 15: Sensitivity

    Turning the knob counter clockwise to 6 o'clock will lower the amount of discrimination to all metal, lowering the amount of targets discriminated out. Turning the knob clockwise (MAX) will increase the amount of dis- crimination, increasing the type of targets discriminated out. TESORO ELECTRONICS, INC.

  • Page 16: Air Test - Self Guided Tutorial

    AIR TEST - SELF GUIDED TUTORIAL INTRODUCTION The air test is designed to introduce the use of controls for the Mojave Metal Detector. If you have never owned a metal detector before, follow each step carefully. You will need: • Fully assembled Mojave Metal Detector •...

  • Page 17: Step 1

    4. Adjust the discrimination (DISC LEVEL) to WHITE ZONE at 6 o'clock position Step 1 - Perform an Audio Battery Test When the unit is first turned on, the Mojave Metal Detector will automat- ically activate the audio battery test. Turn the SENS control from OFF to 1.

  • Page 18: Step 3

    For the Air Test it is not important if it is in high or low but for this ex- ample have the GROUND CONDITION switch in HIGH mode. Since it is not important which setting the ground condition switch is during the AIR TEST, more information will be provided in the FIELD TEST sec- tion. MOJAVE MANUAL...

  • Page 19: Step 4

    Nickel coins and almost all gold rings are accepted by the audio at this 9 o'clock setting. The Mojave will respond when moving a coin across the coil and produce a target response. The response will start out loud and sharp. If you stop over the coil, then the response will stop.

  • Page 20: Field Use

    TUNING YOUR DETECTOR Tuning your Mojave can be done is 4 simple steps: 1. Wait up to 6 seconds until the Audio Battery Test is complete once the detector is turned on.

  • Page 21: Audio Battery Test

    9 V battery needs to be replaced. See “Installing the Battery” in the GETTING STARTED section. Your Mojave is equipped with an automatic battery test circuit so you can always be sure you are getting top performance from it. The bat- tery should be checked after the detector has been on for about 10 min- utes and then periodically if you are using it for long periods.

  • Page 22: Setting The Discrimination Level

    Discrimination Level is increased in each zone, more of these trash metal objects are ignored and give no target response sound when inside the search coils range. The DISCRIMINATION ZONE should be set to your desired “re- jection level” for the particular area you searching. We recommend start- MOJAVE MANUAL...

  • Page 23: Color Zones

    3 COLOR ZONES The Mojave has 3 different color zones to make it quick and easy for you to determine the level of discrimination desired. The Tri-Colored zones will set the level of rejection for specific targets that fall into that zone.
  • Page 24 NOTE: The YELLOW ZONE is to be used with caution! When 5¢ nickel is being rejected many gold rings and jewelry could also be rejected. MOJAVE MANUAL...

  • Page 25: Ground Condition Selector Control: High/Low

    The Earth minerals and ground conditions will greatly vary around mountains, streams, desert, seas, etc. To adjust for the change in minerals the Mojave has a 2 position switch for high and low. The HIGH setting will tackle the worst ground conditions making it capable to hunt any types of mineralized soils.

  • Page 26: Ground Sample Testing For High Or Low

    FIELD USE best for you. If when using the Mojave in the LOW setting the unit be- comes chattier and responsive to the ground, then select the HIGH posi- tion and these audio responses will be eliminated. Salt water beaches at the splash line and dry sands will vary due to the positive effects of the salt water.

  • Page 27: Recognizing False Signals

    CONTROLLING AUDIO VOLUME The speaker in the Mojave does not have a volume control. The volume should be sufficient to accurately hear the target response sound in most environments. If more or less volume is requited in your particu- lar situation, we recommend using a set of good quality headphones with a built-in volume control.

  • Page 28: Handling Your Detector

    Getting Started section on Page 7. Swing the detector from side to side in about a three foot arc, overlapping succeeding strokes well. This motion is called a “sweep”. The Mojave was designed to get max- imum depth without the frantic pace requited of earlier motion detectors, so go at a pace that is comfortable with you.

  • Page 29: Pinpointing A Target

    Two methods are shown on pages 32 and 33 that work most everywhere. Be sure to protect your hobby by leaving the site cleaner than you found it with the holes filled. TESORO ELECTRONICS, INC.

  • Page 30: Planting A Test Garden

    AUDIO REACTIVE The Mojave has a unique analog audio response. Depending on the target, size and depth will vary on how the audio reacts, that can be very strong or slight in response.
  • Page 31 FIELD USE The audio will take some time in learning all the different sounds and response the Mojave will make. As you spend more time with your Mojave you will notice that each target will have its own audible signa- ture.

  • Page 32: General Information Basic Care

    GENERAL INFORMATION BASIC CARE The Mojave is a sturdy instrument, but it is not designed to with- stand abuse. In caring for your Mojave, there are several important “DO NOT's” to remember. DO NOT use it to pry rocks loose or to beat bushes out of the way.
  • Page 33 ✓ If there is a possibility of rain or spray, use a Tesoro rain jacket or protective weather resistant pouch. If you use anything other than the Tesoro rain jacket, leave the bottom open. The control housing needs to “breath”...
  • Page 34 Tesoro Authorized Dealers, who are almost always metal detectorists themselves. They can answer your questions about your Tesoro detector, what accessories may be help- ful, and about metal detecting in general. See your Tesoro Authorized Dealer for more information and prices on optional accessories.

  • Page 35: Search Coils

    Several optional interchangeable search coils are available for the Mojave. They are all easy to mount and require no special tools. See the next page for a list of these search coils with the Tesoro part # and description.

  • Page 36: Tesoro Search Coils

    The Part # for the rain jacket that fits the Mojave is ACCS-RAIN JACKET-SMALL. The small detector bag provides a small convenient way to trans- port or to store your unit;...

  • Page 37: Scuff Covers

    (such as wind) and make it easier to hear faint signals. Headphones with a built in volume control will allow you to adjust the sound volume to your preference. The headphone jack is located on the bottom of the Mojave housing.

  • Page 38: Recommended Recovery Methods

    (Fig.1B). Now insert screwdriver just under target at an angle and lever target to surface (Fig. 1C). Brush all loose dirt back in the hole and close by exerting pressure all around opening (Fig.1D). MOJAVE MANUAL...
  • Page 39 If target is in the hole and not visible, probe bottom and sides until located and remover (Fig. 2C). Repeat scan for additional targets. Replace all loose dirt with plug. Seat plug firmly with foot (Fig 2D). TESORO ELECTRONICS, INC.

  • Page 40: Metal Detectorist's Code Of Ethics

    11. Report the discover of any items of historic significance to the local historical society or proper authorities. 12. Uphold all finders, search, and salvage agreements. 13. Promote responsible historical research and artifact recovery and the sharing of knowledge with others. MOJAVE MANUAL...

  • Page 41: Specifications

    One 9 volt DC (Alkaline) Battery Life (typical)......15 to 18 Hours Optimum Temperature Range... 30° to 100° F Optimum Humidity......0 to 75% R.H. Operating Modes......... ON/OFF/Fully Adjustable Sensitivity Silent Search Discrimination/ED180 High/Low Ground Condition Selector Switch TESORO ELECTRONICS, INC.

  • Page 42: Trouble Shooting

    Move sensitivity control to lower setting and increase the discrimination level slightly higher. • Tesoro has a 1/4" earphone jack. Some people use light weight headphones that use an adapter. Be sure adapter NO SPEAKER RESPONSES is removed from the socket. You will...
  • Page 43 Your Finds Date: Item: Location: Notes: Attach Receipt Here...

  • Page 44: Warranty Service/Description

    10 days of purchase. TESORO will, at its option, repair or replace any in- strument covered by this warranty, without charge, except for transportation charges, at its factory in Prescott, Arizona.

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