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Congratulations, you have just finished the Quickstart for your new Tejón detector and in the 
process have learned quite a lot about your detector. But experience is the best teacher. I 
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.  

 

 

OPERATING TECHNIQUES 

Ground Balancing in the Field 

Ground balancing is not a difficult procedure, but it is critical if you desire maximum depth and 
stability. It is especially important if you plan to find deep relics or prospect for gold nuggets.  

To ground balance in the field, we will start by assuming your detector is turned off. This will be 
the normal condition of your detector when you start hunting. Ground balancing can be done at 
any time while you are using the detector. It is not necessary to turn the machine off each time 
that you ground balance.  

Start with the controls in the following positions:  

1.

 

SENSITIVITY on OFF. 

2.

 

Mode in the ALL METAL position. Your Tejón can be set into ALL METAL by turning 
the DISC LEVEL knob counterclockwise until it clicks and leaving the TRIGGER 
SWITCH in the center position or by simply pulling the TRIGGER SWITCH back 
toward the handle and holding it in place. 

3.

 

All other controls will be set during the ground balancing procedure or are not applicable 
at this time. 

Turn the detector on by rolling the SENSITIVITY knob clockwise to about 9 or 10 on the dial. 
You will hear the battery test to let you know the detector is operating. Next, adjust the 
THRESHOLD knob until a slight, steady hum is heard. The machine is now ready to be ground 
balanced. Next, find an area that has no metal targets in the ground, as this may give false 
readings while in the ground balancing procedure.  

As shown in the photos, raise your searchcoil about 6 to 8 inches off the ground. This is high 
enough so that the detector will no longer read the minerals in the ground. While listening to the 
threshold sound, lower the searchcoil to about 1 inch off the ground. As the coil is dropped. This 
is the balanced response. When you get a balanced response, the detector is telling you that it is 
ready to hunt.  

The positive and negative responses are easy to adjust. If you get a positive response, turn the 
GROUND ADJUST knob toward the minus sign on the face or in a counterclockwise direction. 
Getting a negative response means turning the GROUND ADJUST knob toward the plus sign on 
the faceplate or in a clockwise direction.  

Summary of Contents for TEJON

Page 1: ...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...

Page 2: ...embling the Tej n is simple and requires no special tools Just install the battery packs mount the searchcoil on the lower pole assembly connect the pole assemblies together wrap the excess cable arou...

Page 3: ...contacts fit snugly against the springs Insert the side with the contacts first and then press down on the left edge of the battery holder to reseat the holder Snap compartment cover to close ASSEMBL...

Page 4: ...the two assemblies together 6 Slide the lower pole into the middle pole until the spring buttons click into the first set of adjustment holes Turn pole lock to tighten the assemblies into place 7 Wrap...

Page 5: ...ith 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...

Page 6: ...no metal objects near the coil and remove any jewelry from your hands and wrists Start with the controls like this 1 SENSITIVITY DISC LEVEL and TONE turned completely counterclockwise past the click 2...

Page 7: ...irection when the potentiometer is at the end of its range a slight drag may be felt Note The following procedure is for the air test only For directions on ground balancing your Tej n in the field se...

Page 8: ...that as targets get closer to the coil the threshold tone will get louder and higher in pitch Try waving your targets in front of the coil Start from a distance of 10 to 12 inches away from the coil...

Page 9: ...circuitry more susceptible to interference A number of outside conditions such as power lines highly mineralized soil and wet salt sand can cause interference The SENSITIVITY knob is used to raise or...

Page 10: ...ly high enough to knock out the nickel At this time the iron target and the nickel should give no response while most of the pulltabs the zinc penny and the quarter will give a solid response Next tur...

Page 11: ...they are silver coins or jewelry using the ALT DISC LEVEL mode Take some time to try other combinations of DISC LEVEL and ALT DISC LEVEL settings to find the ones that match your detecting style Perf...

Page 12: ...e center position or by simply pulling the TRIGGER SWITCH back toward the handle and holding it in place 3 All other controls will be set during the ground balancing procedure or are not applicable at...

Page 13: ...designed to get maximum depth without the frantic pace required of earlier motion detectors so go at a pace that is comfortable for you In fact trying to hunt too fast may even cause a loss of depth...

Page 14: ...e consistent response to difficult targets such as a dime buried next to a pulltab By switching back and forth between modes and comparing the target response sound in all metal to the target response...

Page 15: ...voltage Never substitute a different voltage When using a Ni Cad battery always use a separate convertible pack with the proper voltage output for the detector s design Remove the battery from the det...

Page 16: ...o are almost always metal detectorists themselves They can answer your questions about your Tesoro detector what accessories may be helpful and about metal detecting in general See your Tesoro Authori...

Page 17: ...for any Tesoro searchcoil Headphones Most metal detectorists prefer to use headphones instead of the detector s built in speaker Headphones help block out background noise such as wind and make it eas...

Page 18: ...as 8 Leave all gates and other accesses to land as found 9 Never contaminate wells creeks or any other water supplies 10 Be courteous considerate and thoughtful at all times 11 Report the discovery of...

Page 19: ...he searchcoil housing Also excluded are instruments which have been abused altered or repaired by an unauthorized party Under the copyright laws this documentation may not be copied photocopied reprod...

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