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Tesoro Silver µMax

Tesoro Silver µMax
Tesoro Silver µMax Tesoro Silver µMax Tesoro Silver µMax
Brand: Tesoro
Product Code: Silver Umax
Availability: In Stock
Price: $254.15
Qty:  
   - OR -   

Tesoro Silver UMax Metal Detector

Strong, Simple, Silent... Still

The Silver Sabre series has had a very long history with Tesoro Electronics. It was first introduced in 1983. In a time when "lunch box" detectors were the norm, the original Silver Sabre was perceived as a toy unit. There have been many men who bought one for the wife and wound up using it because it worked as well as any other detector on the market. Advertised as "strong, simple, silent", the Silver Sabre has gone through many changes over the years. The Silver Sabre Plus added a no motion all metal circuit. The Silver Sabre II added a new plastic housing and new Hybrid Circuit technology. Several years ago we introduced the Silver Sabre µMax with an incredibly small housing and Max Boost technology. A number of men bought one for their wife and wound up using it because it worked as well as any other detector on the market. (Sounds familiar doesn't it?)

We have decided to bring the Silver back full circle to where it started. The original Silver Sabre was a turn on and go detector with Silent Search discrimination and all metal modes. The new Silver µMax returns to its roots and offers strong, silent and simple operation once again. The Silver µMax uses a microprocessor to control the audio tone and battery test. It will come with an 8" Concentric coil and our latest plastic faceplate. The price of the Silver µMax makes it a superb bargain to say the least.

 

Features:

Microprocessor Technology

MicroMAX Design

Low Noise Circuitry

VLF 10 kHz Frequency

One Drop-in 9V Battery

Push Button Battery Test

Silent Search All Metal Mode

Silent Search Discriminate Mode

8" Concentric Coil

Interchangeable Coils

Built-in Mineral Rejection

Lifetime Warranty

silver umax specs

--------------------------------------------------------------------------------------------

 

User Manual
GETTING STARTED - UNPACKING THE BOX

Your Silver µMax is shipped with these parts:

1 Upper Pole Assembly

Fully assembled, including upper pole stem with handle grip, padded arm bracket and control housing.

1 Middle Pole Assembly With Pole Lock

1 ABS Lower Pole Assembly

Fully assembled, complete with two friction washers, mounting screw, and thumb nut.

1 8" Round Concentric Searchcoil With 3’ Cable

1 9 Volt Alkaline Battery

1 Operator Instruction Manual

1 Tesoro Warranty Card

If any of these items are missing, contact the Tesoro Authorized Dealer where you purchased your detector immediately.

 

Assembly of the Silver µMax is simple and requires no special tools. Just install the battery, mount the searchcoil on the lower pole assembly, connect the 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 Silver µMAX is equipped with an automatic battery test circuit so that you can always be sure you are getting top performance. The battery should be checked after the detector has been on for about 10 minutes and then periodically when used for long durations.

 

To install or replace the battery, first make sure the SENSITIVITY control is set to POWER OFF—turned completely counterclockwise past the “click.” Remove the battery door from the back of the control housing. Do this by pressing your thumb firmly on the louvered square—at the bottom of the battery door—and sliding the battery door upward in the direction of the arrow.

Check the polarity on the battery and on the diagram inside the battery compartment. Make sure that they match and simply drop a fresh 9 volt alkaline battery into the compartment.

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 Eldorado model; however, battery installation is the same for the Silver µMax.)


ASSEMBLING YOUR DETECTOR

 

 

(Above photos are shown using the Eldorado model; however, assembly procedures are the same for the Silver µMax.)

  1. On the lower pole assembly, remove the mounting screw and thumb nut from the black nylon pole tip.
  2. Insert the pole tip between the mounting ears of the searchcoil and align the holes of the pole tip and washers with those of the mounting ears.
    Note: The pole tip should fit very snugly into the mounting ears.
  3. Insert the mounting screw through the holes in the mounting ears and pole tip—entering from the side opposite the cable connection.
  4. Install the thumb nut on the mounting screw and tighten by hand. 
    Note: Do not overtighten the thumb nut. It should be snug but not too difficult to loosen up.
  5. On the middle pole assembly, depress the two spring buttons and slide the middle pole assembly into the upper pole assembly until the spring buttons click into the holes, thus locking the two assemblies into place. Tighten the pole lock to secure the two assemblies together.
  6. Slide lower pole into middle pole until spring buttons click into the first set of adjustment holes. Turn pole lock to tighten, thus locking the assembly into place.
  7. Wrap the cable around the pole leaving 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 finished!
    Note: You will want to adjust the pole length and the searchcoil angle to your preference.

ADJUSTING THE POLE & SEARCHCOIL

 

The pole length should be adjusted so that the detector does not become uncomfortable or tiring after long periods of use. The detector grip should rest in your hand with your arm relaxed, your elbow straight but not locked, and with the pole extending out in front of you at the approximate angle shown in the photo.

You should be able to swing the detector back and forth in front of you—using relaxed shoulder movement—while keeping the searchcoil as close to the ground as possible. This swinging movement is often called a “sweep.”

The searchcoil should not touch the ground during your sweep. The pole length should be adjusted to allow this without having to lift the detector with your elbow or shoulder. The searchcoil should rest about one inch above the ground while you are standing erect. The angle of the searchcoil should allow the bottom to be parallel to the ground.

The pole length is adjusted by depressing the spring buttons and extending or shortening the pole until the spring buttons click into the set of holes that give you the most 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 Silver µMax. It provides a quick and easy means of learning your detector and the concepts behind all of the functions.

You will need the following items:

  1. Your fully assembled Silver µMax.
  2. An iron target (a small nail or screw will do), a nickel, a quarter and a couple of different pull tabs.
  3. A nonmetal table top or counter.

Here’s what you will do:

  1. Perform Audio Battery Test
  2. Adjust the SENSITIVITY
  3. Perform Air Test in DISC Mode
  4. Perform Air Test in ALL METAL Mode
Prepare for the Quickstart

Place your assembled Silver µMax on the nonmetal surface. Make sure that there are no metal objects near the coil and remove any jewelry from your hands and wrists.

 

Start with the controls like this:

  1. SENSITIVITY and DISCRIMINATE LEVEL knobs turned completely counterclockwise.
  2. MODE switch in the center position.
Perform Audio Battery Test

Turn the SENSITIVITY knob from OFF to about 7 or 8. You will hear a quick double beep tone. This is the detector letting you know that it is turned on and ready to go. Push the MODE switch to the left and release. The switch is spring loaded and will pop back into the center position. If the battery is fully charged, you will hear 6 or 7 beeps.

When you hear only 1 or 2 beeps, it will be time to replace your battery. This test can be performed at any time while the detector is turned on.

Adjust the SENSITIVITY

The Silver µMax uses two channels or sets of circuits for all of its detecting modes. The two channels are amplified, processed and compared before the detector can make the appropriate response. In the ALL METAL Mode, the detector compares the signals and discriminates out most of the noise from changes in the ground mineralization. This allows hunting all metal without a lot of annoying ground chatter. The DISC Mode compares the two channels and will filter “good” targets from unwanted targets depending on the setting of the DISCRIMINATE LEVEL knob. The SENSITIVITY knob will change the sensitivity and gain settings for both the All Metal and Discriminate Modes on your Silver µMax.

The SENSITIVITY knob is used to raise or lower the power to the operational amplifiers, which changes the gain. Gain is a measurement of how much a signal is amplified. The higher the gain the more depth and sensitivity 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 normal hunting, anywhere in the numbered zone will work very well. However, the Max Boost will allow you to increase the power to the operational amplifiers to the point of overload.

This may cause your detector to become unstable and force you to turn the SENSITIVITY knob to a lower setting. An overload situation will not hurt your detector, but it will maximize the gain that is used by your detector. This can, in certain conditions such as low mineralization in the soil, cause your detector to penetrate deeper into the ground and become more sensitive to small targets.

Take some time to try waving targets in front of the coil with different sensitivity settings and in either mode. Notice that the higher the sensitivity setting, the farther away from the coil that a target can be and still respond with an audio signal.

Perform Air Test in DISC Mode

As discussed before, the Discriminate Mode is used to filter unwanted targets from good targets. The principle behind this is pretty simple. The detector sends out a signal and then receives it back creating a small electronic field. As metal passes through the field that the detector generates, it causes a change in the received signal.

The amount of change that each type of metal causes is fairly constant; therefore, we can tune our detectors to miss targets that we don’t want to find. The change is based on the type of conductivity that each target has. The general list of conductive targets is as follows: iron, foil, nickels, gold jewelry, pull tabs, screw tabs, pennies and silver coins starting with dimes and working up to silver dollars. This list is meant to be a guide only. There is a point that some pull tabs, nickels and gold jewelry overlap. Also the depth of the target and its orientation in the ground can change the received signal. A coin that is flat to the coil will produce a better signal than a coin that is on edge. Take some time to try different combinations of depths and orientation of your targets and find out how your detector responds.

We are now ready to discriminate targets from each other. We will start with the DISCRIMINATE LEVEL at MIN and the MODE switch in the center or DISC position. Please notice that the DISCRIMINATE LEVEL knob has words that correspond to the items that are discriminated out.

All four targets (the iron, nickel, pull tabs and quarter) will respond with a good audio signal at the MIN setting. Next, we will turn the DISCRIMINATE LEVEL up to IRON. This should be high enough to knock out the iron target and still get a positive response on the nickel, pull tabs and quarter. When you are done with the IRON level, turn the DISCRIMINATE LEVEL to the 5¢ setting. This level is high enough to knock out the nickel.

At this time the iron target and the nickel should give no response, while most of the pull tabs and the quarter will give a solid response. Next, turn the DISCRIMINATE LEVEL knob just past the TAB marking. At this time most or all of the pull tabs should not give any audio signal. Only the quarter should give a strong signal. Now roll the DISCRIMINATE LEVEL all the way to MAX. Notice that the quarter is still responding. The discrimination will not go high enough to lose most of the silver coins.

This Air Test was designed to show you quickly how your Discriminate Mode works. Each machine may be a little different from all of the others, so you may want to take some time and try different targets to find responses of your machine. At a later date, you may want to build a test garden to test your detector in the field.

Perform Air Test in ALL METAL Mode

Push the MODE switch all the way to the right. It will lock into the ALL METAL position. Check all of your targets and you will get a positive response from all of them. You may also want to set the DISCRIMINATE LEVEL knob at various settings and notice that the detector will still give a positive response. In the ALL METAL Mode, the DISCRIMINATE LEVEL knob does not change any target signals. Take some time to try all of your targets.

Conclusion

Congratulations, you have just finished the Quickstart for your new Silver µMax detector and in the process have learned quite a lot about your detector. But experience is the best teacher. I would recommend that you get out and practice with your detector as much as possible. Any time spent using your detector will give you valuable experience.

 
 

 

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Your Review: Note: HTML is not translated!

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Description

Tesoro Silver UMax Metal Detector

Strong, Simple, Silent... Still

The Silver Sabre series has had a very long history with Tesoro Electronics. It was first introduced in 1983. In a time when "lunch box" detectors were the norm, the original Silver Sabre was perceived as a toy unit. There have been many men who bought one for the wife and wound up using it because it worked as well as any other detector on the market. Advertised as "strong, simple, silent", the Silver Sabre has gone through many changes over the years. The Silver Sabre Plus added a no motion all metal circuit. The Silver Sabre II added a new plastic housing and new Hybrid Circuit technology. Several years ago we introduced the Silver Sabre µMax with an incredibly small housing and Max Boost technology. A number of men bought one for their wife and wound up using it because it worked as well as any other detector on the market. (Sounds familiar doesn't it?)

We have decided to bring the Silver back full circle to where it started. The original Silver Sabre was a turn on and go detector with Silent Search discrimination and all metal modes. The new Silver µMax returns to its roots and offers strong, silent and simple operation once again. The Silver µMax uses a microprocessor to control the audio tone and battery test. It will come with an 8" Concentric coil and our latest plastic faceplate. The price of the Silver µMax makes it a superb bargain to say the least.

 

Features:

Microprocessor Technology

MicroMAX Design

Low Noise Circuitry

VLF 10 kHz Frequency

One Drop-in 9V Battery

Push Button Battery Test

Silent Search All Metal Mode

Silent Search Discriminate Mode

8" Concentric Coil

Interchangeable Coils

Built-in Mineral Rejection

Lifetime Warranty

silver umax specs

--------------------------------------------------------------------------------------------

 

User Manual
GETTING STARTED - UNPACKING THE BOX

Your Silver µMax is shipped with these parts:

1 Upper Pole Assembly

Fully assembled, including upper pole stem with handle grip, padded arm bracket and control housing.

1 Middle Pole Assembly With Pole Lock

1 ABS Lower Pole Assembly

Fully assembled, complete with two friction washers, mounting screw, and thumb nut.

1 8" Round Concentric Searchcoil With 3’ Cable

1 9 Volt Alkaline Battery

1 Operator Instruction Manual

1 Tesoro Warranty Card

If any of these items are missing, contact the Tesoro Authorized Dealer where you purchased your detector immediately.

 

Assembly of the Silver µMax is simple and requires no special tools. Just install the battery, mount the searchcoil on the lower pole assembly, connect the 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 Silver µMAX is equipped with an automatic battery test circuit so that you can always be sure you are getting top performance. The battery should be checked after the detector has been on for about 10 minutes and then periodically when used for long durations.

 

To install or replace the battery, first make sure the SENSITIVITY control is set to POWER OFF—turned completely counterclockwise past the “click.” Remove the battery door from the back of the control housing. Do this by pressing your thumb firmly on the louvered square—at the bottom of the battery door—and sliding the battery door upward in the direction of the arrow.

Check the polarity on the battery and on the diagram inside the battery compartment. Make sure that they match and simply drop a fresh 9 volt alkaline battery into the compartment.

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 Eldorado model; however, battery installation is the same for the Silver µMax.)


ASSEMBLING YOUR DETECTOR

 

 

(Above photos are shown using the Eldorado model; however, assembly procedures are the same for the Silver µMax.)

  1. On the lower pole assembly, remove the mounting screw and thumb nut from the black nylon pole tip.
  2. Insert the pole tip between the mounting ears of the searchcoil and align the holes of the pole tip and washers with those of the mounting ears.
    Note: The pole tip should fit very snugly into the mounting ears.
  3. Insert the mounting screw through the holes in the mounting ears and pole tip—entering from the side opposite the cable connection.
  4. Install the thumb nut on the mounting screw and tighten by hand. 
    Note: Do not overtighten the thumb nut. It should be snug but not too difficult to loosen up.
  5. On the middle pole assembly, depress the two spring buttons and slide the middle pole assembly into the upper pole assembly until the spring buttons click into the holes, thus locking the two assemblies into place. Tighten the pole lock to secure the two assemblies together.
  6. Slide lower pole into middle pole until spring buttons click into the first set of adjustment holes. Turn pole lock to tighten, thus locking the assembly into place.
  7. Wrap the cable around the pole leaving 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 finished!
    Note: You will want to adjust the pole length and the searchcoil angle to your preference.

ADJUSTING THE POLE & SEARCHCOIL

 

The pole length should be adjusted so that the detector does not become uncomfortable or tiring after long periods of use. The detector grip should rest in your hand with your arm relaxed, your elbow straight but not locked, and with the pole extending out in front of you at the approximate angle shown in the photo.

You should be able to swing the detector back and forth in front of you—using relaxed shoulder movement—while keeping the searchcoil as close to the ground as possible. This swinging movement is often called a “sweep.”

The searchcoil should not touch the ground during your sweep. The pole length should be adjusted to allow this without having to lift the detector with your elbow or shoulder. The searchcoil should rest about one inch above the ground while you are standing erect. The angle of the searchcoil should allow the bottom to be parallel to the ground.

The pole length is adjusted by depressing the spring buttons and extending or shortening the pole until the spring buttons click into the set of holes that give you the most 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 Silver µMax. It provides a quick and easy means of learning your detector and the concepts behind all of the functions.

You will need the following items:

  1. Your fully assembled Silver µMax.
  2. An iron target (a small nail or screw will do), a nickel, a quarter and a couple of different pull tabs.
  3. A nonmetal table top or counter.

Here’s what you will do:

  1. Perform Audio Battery Test
  2. Adjust the SENSITIVITY
  3. Perform Air Test in DISC Mode
  4. Perform Air Test in ALL METAL Mode
Prepare for the Quickstart

Place your assembled Silver µMax on the nonmetal surface. Make sure that there are no metal objects near the coil and remove any jewelry from your hands and wrists.

 

Start with the controls like this:

  1. SENSITIVITY and DISCRIMINATE LEVEL knobs turned completely counterclockwise.
  2. MODE switch in the center position.
Perform Audio Battery Test

Turn the SENSITIVITY knob from OFF to about 7 or 8. You will hear a quick double beep tone. This is the detector letting you know that it is turned on and ready to go. Push the MODE switch to the left and release. The switch is spring loaded and will pop back into the center position. If the battery is fully charged, you will hear 6 or 7 beeps.

When you hear only 1 or 2 beeps, it will be time to replace your battery. This test can be performed at any time while the detector is turned on.

Adjust the SENSITIVITY

The Silver µMax uses two channels or sets of circuits for all of its detecting modes. The two channels are amplified, processed and compared before the detector can make the appropriate response. In the ALL METAL Mode, the detector compares the signals and discriminates out most of the noise from changes in the ground mineralization. This allows hunting all metal without a lot of annoying ground chatter. The DISC Mode compares the two channels and will filter “good” targets from unwanted targets depending on the setting of the DISCRIMINATE LEVEL knob. The SENSITIVITY knob will change the sensitivity and gain settings for both the All Metal and Discriminate Modes on your Silver µMax.

The SENSITIVITY knob is used to raise or lower the power to the operational amplifiers, which changes the gain. Gain is a measurement of how much a signal is amplified. The higher the gain the more depth and sensitivity 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 normal hunting, anywhere in the numbered zone will work very well. However, the Max Boost will allow you to increase the power to the operational amplifiers to the point of overload.

This may cause your detector to become unstable and force you to turn the SENSITIVITY knob to a lower setting. An overload situation will not hurt your detector, but it will maximize the gain that is used by your detector. This can, in certain conditions such as low mineralization in the soil, cause your detector to penetrate deeper into the ground and become more sensitive to small targets.

Take some time to try waving targets in front of the coil with different sensitivity settings and in either mode. Notice that the higher the sensitivity setting, the farther away from the coil that a target can be and still respond with an audio signal.

Perform Air Test in DISC Mode

As discussed before, the Discriminate Mode is used to filter unwanted targets from good targets. The principle behind this is pretty simple. The detector sends out a signal and then receives it back creating a small electronic field. As metal passes through the field that the detector generates, it causes a change in the received signal.

The amount of change that each type of metal causes is fairly constant; therefore, we can tune our detectors to miss targets that we don’t want to find. The change is based on the type of conductivity that each target has. The general list of conductive targets is as follows: iron, foil, nickels, gold jewelry, pull tabs, screw tabs, pennies and silver coins starting with dimes and working up to silver dollars. This list is meant to be a guide only. There is a point that some pull tabs, nickels and gold jewelry overlap. Also the depth of the target and its orientation in the ground can change the received signal. A coin that is flat to the coil will produce a better signal than a coin that is on edge. Take some time to try different combinations of depths and orientation of your targets and find out how your detector responds.

We are now ready to discriminate targets from each other. We will start with the DISCRIMINATE LEVEL at MIN and the MODE switch in the center or DISC position. Please notice that the DISCRIMINATE LEVEL knob has words that correspond to the items that are discriminated out.

All four targets (the iron, nickel, pull tabs and quarter) will respond with a good audio signal at the MIN setting. Next, we will turn the DISCRIMINATE LEVEL up to IRON. This should be high enough to knock out the iron target and still get a positive response on the nickel, pull tabs and quarter. When you are done with the IRON level, turn the DISCRIMINATE LEVEL to the 5¢ setting. This level is high enough to knock out the nickel.

At this time the iron target and the nickel should give no response, while most of the pull tabs and the quarter will give a solid response. Next, turn the DISCRIMINATE LEVEL knob just past the TAB marking. At this time most or all of the pull tabs should not give any audio signal. Only the quarter should give a strong signal. Now roll the DISCRIMINATE LEVEL all the way to MAX. Notice that the quarter is still responding. The discrimination will not go high enough to lose most of the silver coins.

This Air Test was designed to show you quickly how your Discriminate Mode works. Each machine may be a little different from all of the others, so you may want to take some time and try different targets to find responses of your machine. At a later date, you may want to build a test garden to test your detector in the field.

Perform Air Test in ALL METAL Mode

Push the MODE switch all the way to the right. It will lock into the ALL METAL position. Check all of your targets and you will get a positive response from all of them. You may also want to set the DISCRIMINATE LEVEL knob at various settings and notice that the detector will still give a positive response. In the ALL METAL Mode, the DISCRIMINATE LEVEL knob does not change any target signals. Take some time to try all of your targets.

Conclusion

Congratulations, you have just finished the Quickstart for your new Silver µMax detector and in the process have learned quite a lot about your detector. But experience is the best teacher. I would recommend that you get out and practice with your detector as much as possible. Any time spent using your detector will give you valuable experience.

 
 

 

Write a review

Your Name:


Your Review: Note: HTML is not translated!

Rating: Bad           Good

Enter the code in the box below:



Tags: Silver, umax, Tesoro
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