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GOLDEN µMax OPERATOR INSTRUCTION MANUAL 

 

 

 

CONGRATULATIONS! 

Your new Tesoro Golden µMax metal detector is part of a new series of detectors designed to 
provide you with many happy hours of enjoyment in the most rewarding hobby I can think 
of—treasure hunting. Ahead of you lie fascinating and exciting experiences as you step into 
the past—uncovering artifacts lost by past generations, or as you take pleasure in the great 
outdoors with family and friends searching for precious metals. I wish we could share these 
experiences with you, and all of us at Tesoro wish you the best of success.  

Your Tesoro detector is capable of meeting your needs in a wide range of treasure hunting 
situations. As with any other metal detector, familiarity with this instrument is probably the 
limiting factor in determining how successful you can be. I recommend that you read this 
manual and fully understand how to operate this detector before attempting to use it in the 
field. As you become more familiar with your detector through practice, your rate of success 
will increase dramatically.  

The Golden µMax is a precision electronic instrument that will last for years if properly cared 
for. Treat it right and it won’t let you down.  

Good Hunting! Jack Gifford 
 

 

GENERAL DESCRIPTION 

The Golden µMax is designed to help detectorists improve their coin shooting finds. It 
combines three systems to help identify targets before they are dug. First is Tesoro's tried and 
tested ED120 discrimination. Offering 120° of discrimination range covering a broad 
spectrum of unwanted targets. Second is a four tone audio ID. The tones cover 1) iron and 
foil, 2) rings, nickels and some pull tabs, 3) most pull tabs and screw caps, 4) pennies, silver 
coins and jewelry. A special tone for targets that are causing the machine to saturate is also 
included. Third is a Notch Filter discriminate. Notch discriminate will allow you to tune your 
Golden µMax to discriminate out most pull tabs while keeping the nickel and gold ring. It is 
user adjustable to fit the hunting styles of most detectorists.  

The Golden µMax uses a state-of-the-art microprocessor to perform all of these functions and 

still keep a weight of less than 2˝ pounds. With a standard 9x8 coil and three piece break 

down pole, the Golden µMax is sure to help you meet your detecting goals.  

 

 

GETTING STARTED - UNPACKING THE BOX 

Your Golden µMax was shipped with these parts:  

Summary of Contents for Golden uMax

Page 1: ... a precision electronic instrument that will last for years if properly cared for Treat it right and it won t let you down Good Hunting Jack Gifford GENERAL DESCRIPTION The Golden µMax is designed to help detectorists improve their coin shooting finds It combines three systems to help identify targets before they are dug First is Tesoro s tried and tested ED120 discrimination Offering 120 of discr...

Page 2: ...hased your detector immediately Assembly of the Golden µMax is simple and requires no special tools Just install the battery mount the searchcoil on the lower pole assembly connect the two pole assemblies together wrap the excess cable around the pole and plug the cable into the control housing Finally adjust the pole length and searchcoil angle and you re ready INSTALLING THE BATTERY Your Golden ...

Page 3: ... not installed properly damage may occur to your detector Replace the battery door by sliding it into place making sure the upper mount slots are in line and the lock tongue is snapped in place Above photo depicts the Silver Sabre µMax model however battery installation is the same for the Golden µMax ASSEMBLING YOUR DETECTOR 1 On the lower pole assembly remove the mounting screw and thumb nut fro...

Page 4: ...g enough slack near the searchcoil to permit searchcoil adjustment Note Do not allow the cable to flop loosely over the searchcoil Since the detector is sensitive enough to see the tiny wires in the cable a floppy cable can cause false signals as the searchcoil senses the moving wires 8 Plug the male cable end into the female connector on the control housing and tighten the cable thumb nut You are...

Page 5: ... comfortable pole length To adjust the searchcoil angle simply loosen the searchcoil thumb nut slightly and move the searchcoil into the desired position Tighten the searchcoil thumb nut by hand so that the searchcoil will hold in place QUICKSTART The Quickstart is designed to teach you how to use your new Golden µMax It provides a quick and easy means of learning your detector and the concepts be...

Page 6: ...e small enough or deep enough that they will not be able to generate an audio signal by themselves By monitoring a threshold you already have an audio signal so changes will be easier to hear However if the threshold is set too loud or too soft small changes in the signal will be hard to hear Take some time to find the right threshold level for you Perform Air Test in All Metal Mode Once you have ...

Page 7: ...ensitivity to small objects a detector has Unfortunately any small interference that is amplified can cause the detector to become erratic The SENSITIVITY control is used to find the best gain setting in any location without letting the detector become unstable The SENSITIVITY knob is numbered from min to 10 and then has an orange area called the Max Boost zone For most normal hunting anywhere in ...

Page 8: ...about that in the Set Notch Window Width section Last wave your iron target You should hear the lowest tone of all This tone covers iron and foil Some iron targets such as washers or other oddly shaped items may produce a rolling tone This tone is a combination of both high and low tones It may start high and go low or start low and go high Take some time to try your targets and get used to the to...

Page 9: ...ickly how your Discriminate Mode works Each machine may be a little different than all the others so you may want to take some time and try different targets to find the responses of your machine At a later date you may also build a test garden to test your detector in the field Set Notch Window Width There is a very distinct difference between the regular Discriminate and the Notch Filter Discrim...

Page 10: ...l Return the knob to the 12 o clock position and check your targets once again You may want to take the time to get more targets and test your NOTCH WIDTH settings Next with your NOTCH WIDTH set at 12 o clock turn the DISCRIMINATE LEVEL knob to the preset arrow and check your targets Only the nickel and the quarter should respond Now turn the DISCRIMINATE LEVEL knob up to the PULL TAB level Only t...

Page 11: ...ep to start Make a map of the area to be sure you know what each target is and how deep it is Practice on these targets to familiarize yourself with your detector s target response This will also help you learn the proper sweep speed for best operation This type of practice area is often called a test garden or test bed and is one of the best tools to help you develop your metal detecting skills R...

Page 12: ...nic parts switches or controls And finally DO NOT attempt to modify or repair the detector s electronics as this will void your detector s warranty THE WARRANTY DOES NOT COVER DAMAGE RESULTING FROM AN ACCIDENT NEGLECT OR ABUSE Protecting Your Investment Often detectorists are disappointed when their new detector slowly becomes less and less responsive and seems to have lost some of its original pe...

Page 13: ... contaminants When transporting the detector in a car during hot weather store it on the floor of the passenger compartment if possible Using a carry bag gives additional protection In any case never allow the detector to roll around unprotected in the trunk or back of a pickup truck Protect your detector from dust moisture and extreme temperatures during storage When shipping use the original fac...

Page 14: ...are available for the Golden µMax They are all easy to mount and require no special tools See the following list of these searchcoils with the Tesoro part and description Tesoro Searchcoils Tesoro Part Description COIL 4RC 4 round concentric closed center white COIL 7RC 7 round concentric closed center white COIL 7RW 7 round wide scan closed center white COIL 8 5RW 8 round wide scan closed center ...

Page 15: ...slightly 2 2 lbs Battery Requirement One 9 volt DC alkaline Battery Life typical 10 to 20 hours Optimum Temperature Range 30 to 100 F Optimum Humidity 0 to 75 R H Operating Modes No motion All Metal Silent Search Discriminate Notch Norm Notch Wide Larger Window All Metal Tuning Mode Fast Auto Tune ...

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