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White’s Pulsescan TDI Field Manual

HANDS

 

ON

 

INSTRUCTION

FROM

 

THE

 

PROS

 ...

TDI  F

IELD

 M

ANUAL

P

ROSPECTING

R

ELIC

 R

ECOVER

C

OIN

 & B

EACH

     

Summary of Contents for TDI

Page 1: ...White s Pulsescan TDI Field Manual HANDS ON INSTRUCTION FROM THE PROS TDI FIELD MANUAL PROSPECTING RELIC RECOVER COIN BEACH ...

Page 2: ...White s Pulsescan Field Manual ...

Page 3: ...ting technology He was very instrumental in the development of TDI Bob Buttafuso Bob s life long hobby has been hunting finding and preserving Civil war relics Bob owns and manages Centerville Electronics White s East Coast Service Center since 1978 He is often a technical resource for White s product development Keith Zorger Keith is a long time treasure hunter and White s Distributor since 1987 ...

Page 4: ...nuggets and small gold jewelry Beach Hunting Best sensitivity to coins and larger gold silver jewelry Relic Hunting Best sensitivity to very large nuggets and all large metal Gnd Bal toggle Ground Balance Conductivity toggle Freq Adj as needed Pulse Delay Gain adjust for stability Threshold Power Toggle Beach Hunting Relic Hunting Gold Prospecting ON 12 NOON 10 u S 6 ON ON 12 NOON midway 17 u S 6 ...

Page 5: ...gets will respond with the Variable Audio low high tone Gnd Bal toggle Ground Balance Conductivity toggle Freq Adj as needed Pulse Delay Gain adjust for stability Threshold Power Toggle Beach Hunting Relic Hunting Gold Prospecting ON 8 12 NOON 10 u S 6 ON ON 6 12 NOON midway 17 u S 6 ON ON 2 12 NOON 25 u S 6 ON User adjusted per manual under Explanation of Controls User adjusted to steady hum per ...

Page 6: ...b to 12 Noon turn to correct any interference 9 You can start detecting Sweep Slow and Low Why do I start with the GEB Toggle ON If you set the GEB toggle on then you can detect whether or not the mineralization is severe or mild If the miner alization is mild then it would be mandatory to set the Ground Balance Knob at about 8 to 9 to prevent losing gold If the mineralization is heavy a setting o...

Page 7: ...into the low conductivity category you can avoid a large part of the trash You will note that there is an All position on the conductivity toggle If you want to test an area to see what kind of targets exist you can set the the toggle at All You will hear both high tones and low tones You can decide to dig or not to dig You will learn by experience You will never miss any gold this way so when in ...

Page 8: ...he threshold Before you dig anything try to increase the gain to Max In the Low or High conductivity setting the threshold should remain fairly steady even at Max gain It will wobble a little but one can still hunt Beginners should probably stick with the gain at 6 until they get used to the variable sounds Hunting in the All position will be more erratic and make it harder to concentrate on the d...

Page 9: ...the Pulse hence decreasing the sensitivity to low conductive targets This is most effective on shallow targets as most iron is near the surface Deeper nuggets may also disappear so I would dig any target that give me a soft mellow signal As with any metal detector there are no foolproof methods of discrimination Those of us who have coin hunted have learned the difficulty of trying to determine a ...

Page 10: ...12 00 0 clock 6 Ground balance the detector Normal ground balance at 10 uS should be 8 9 but these results may vary by location Ground Balance settings are not dependent on which coil is used 7 Adjust the Frequency control if there is audio interference warble i e from power lines or another detector Otherwise leave it at 12 00 o clock 8 Off you go At These Settings Most buttons and small caliber ...

Page 11: ...lay will have a direct effect on how the GEB control operates In general when the Pulse Delay is advanced the GEB control will have to be reduced Example A nail may be ignored at 5 with the delay at minimum but may be ignored at 3 or less with the pulse delay advanced to 17 5 uS Expected Pulse Delay Ground Balance Relationships Pulse Delay 10 uS Ground Balance 8 9 Pulse Delay 17 5 uS Ground Balanc...

Page 12: ... Conductivity switch to HIGH Then turn the Ground Balance control to 9 or 10 Depth on high conduc tive targets increases Finally set the Conductivity switch to ALL Then turn the Ground Balance control to 6 dead center on the dial Depth on both high and low conductors is improved Targets HINT When the PulsescanTDI gives a LOW tone placing the coil on the ground beside the target and then SLOWLY mov...

Page 13: ...ur free hand reach over and turn the large Ground Balance control CCW to the left and re scan the target Coins should STILL respond with a LOW Tone If the Audio Response turns to a HIGH Tone the target is most likely contains Ferrous Iron content LOW Conductive Coins Rings Nickels White or Yellow Gold Rings Initial Target Response HIGH Audio Tone Cross Sweep the Target looking for a COIN SIZE SHAP...

Page 14: ... gold rings will still be detected deeply The ability to ignore most of the common trash that will be a nuisance to a VLF Detector which has to rely more on Tone ID and Visual ID which becomes less accurate beyond 4 gives the TDI a big advantage over standard metal detectors POWER TIP Pulse Rate at 10 uS Ground Balance at 2 to 3 8 to 9 O Clock Gain set as high as possible for maximum Signal Respon...

Page 15: ...White s Pulsescan TDI Field Manual ...

Page 16: ...White s Pulsescan Field Manual White s Electronics Inc 1011 Pleasant Valley Road Sweet Home Oregon 97386 USA www whiteselectronics com Part Number 621 0508 ...

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