White's DFX User Manual

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Assembly ..........................................................................................................................................................................................2

Batteries ........................................................................................................................................................................................... 4

DFX

Quick Start ......................................................................................................................................................................... 8

™

Basic Adjustments ........................................................................................................................................................................ 14

1. Target Volume ...................................................................................................................................................................... 18

2. Audio Threshold .................................................................................................................................................................. 18

3. Tone (Audio Frequency) ...................................................................................................................................................... 19

4. Audio Disc. .......................................................................................................................................................................... 19

5. Silent Search ........................................................................................................................................................................ 20

6. Mixed Mode ......................................................................................................................................................................... 21

7. A.C. Sensitivity .................................................................................................................................................................... 22

8. D.C. Sensitivity .................................................................................................................................................................... 22

9. Backlight

9. Backlight ..............................................................................................................................................................................

10. Viewing Angle ................................................................................................................................................................... 24

Pro Options ................................................................................................................................................................................... 25

Audio .......................................................................................................................................................................................... 27

1. Ratchet Pinpointing ............................................................................................................................................................. 27

2. S.A.T. Speed ........................................................................................................................................................................ 27

3. Tone I.D. .............................................................................................................................................................................. 28

4. V.C.O. .................................................................................................................................................................................. 28

5. Modulation ........................................................................................................................................................................... 28

G.E.B./Trac ............................................................................................................................................................................. 29

6. AutoTrac

............................................................................................................................................................................. 29

7. Trac View ............................................................................................................................................................................. 29

8. Trac Speed ........................................................................................................................................................................... 30

9. Trac Offset ...........................................................................................................................................................................

9. Trac Offset

9. Trac Offset ...........................................................................................................................................................................

10. Trac Inhibit

10. Trac Inhibit .........................................................................................................................................................................

11. Coarse G.E.B. .................................................................................................................................................................... 32

12. Fine G.E.B. ........................................................................................................................................................................ 33

Discrimination .......................................................................................................................................................................... 34

13. Disc. Edit

13. Disc. Edit ......................................................................................................................................................................

14. Block Edit ..........................................................................................................................................................................

14. Block Edit

14. Block Edit ..........................................................................................................................................................................

15-16. Learn Accept/Reject

15-16. Learn Accept/Reject .....................................................................................................................................................

17. Recovery Speed ................................................................................................................................................................. 38

18. Bottlecap Reject

18. Bottlecap Reject .................................................................................................................................................................

19. Hot Rock Reject

19. Hot Rock Reject .................................................................................................................................................................

20. Sweep Speed ...................................................................................................................................................................... 41

21. Ground Filtering ................................................................................................................................................................ 42

Display ....................................................................................................................................................................................... 43

22. Visual Disc. ........................................................................................................................................................................ 43

23. Icons ................................................................................................................................................................................... 43

24. V.D.I. Sensitivity ................................................................................................................................................................ 44

25. D.C. Phase ......................................................................................................................................................................... 45

26. Accumulate ........................................................................................................................................................................ 46

27. Average .............................................................................................................................................................................. 46

28. Fade .................................................................................................................................................................................... 47

Preamp Gain ............................................................................................................................................................................. 48

29. Preamp Gain ...................................................................................................................................................................... 48

Multi Frequency Method ......................................................................................................................................................... 49

30. 2 Frequency (Best Data) .................................................................................................................................................... 49

31. 2 Frequency (Correlate) ..................................................................................................................................................... 49

32. V.D.I. Normalization .......................................................................................................................................................... 50

33. 1 Frequency (3 kHz) .......................................................................................................................................................... 50

34. 1 Frequency (15 kHz) ........................................................................................................................................................ 50

EEPROM Programs ................................................................................................................................................................ 51-52

Program Settings Chart .......................................................................................................................................................... 53-54

Glossary ......................................................................................................................................................................................... 55

Warranty ................................................................................................................................................................................... 56-57

Service .......................................................................................................................................................................................... 58

Warranty(UK) .......................................................................................................................................................................... 59-60

DFX

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Page 1: Table Of Contents
Table of Contents ® Contents Page Assembly ......................................2 Batteries ......................................4 Quick Start ..................................8 ™ Basic Adjustments ..................................14 1. Target Volume ..................................18 2. Audio Threshold .................................. 18 3. Tone (Audio Frequency) ..............................19 4. Audio Disc................................... 19 5.
Page 2: Assembly
Chapter 1 DFX Assembly ™ Assembly Assembly Assembly WASHERS BETWEEN WASHERS BETWEEN Twist and insert each end of EACH LOOP handle (provided) through EAR & CLEVIS top of shipping carton into LOOP OR SEARCH second ﬂap. COIL (CARRY CARTON) CABLE RETAINERS...
Page 3: Assembly Instructions
If to resume searching. So long as a good battery necessary, readjust clevis/lower rod length with the remains, the DFX returns to the exact settings prior spring clip buttons so that the search coil can be to turning itself off.
Page 4: Batteries
Chapter 2 DFX Batter ™ Batteries Standard Battery Holder BLUE DECAL 1. The standard battery holder (blue decal) holds eight “AA” cell batteries. Alkalines are recom- mended for use with this battery holder. ARROW DOWN 2. Non-alkaline batteries can be used in this holder.
Page 5: Standard Battery Holder
Chapter 2 DFX Batter ™ Using the Rechargeable Battery Standard Battery Holder BATTERY GREEN 1. Slide open the battery holder lid (decal side of CHARGER DECAL battery holder) by applying gentle upward pressure on the tab of the door so that it unlocks.
Page 6 Chapter 2 DFX Batter ™ Charging 1. There is no harm charg- ing overnight using the OVERNIGHT charge setting regardless of the battery's current condition. However, before charging with the QUICK charge setting, determine battery condition by inserting bat- tery into the instrument and turning the instrument ON.
Page 7 Chapter 2 DFX™ Bat Battery Life & Memory Volatile memory temporarily holds any program Use of maximum backlight may reduce battery life changes or settings not yet saved in a Custom Pro- by up to 50%, depending on battery type.
Page 8: Dfx ™ Quick Start
Quick Start ™ Quick Start ™ Quick Start Instructions ™ After you have assembled the DFX and inserted the ™ battery pack, follow these simple steps to start treasure hunting! With the TRIGGER in the center position, press the ON/OFF control and an automatic sequence will begin.
Page 9 "beeps" and you lower the search coil to the ™ the loop. distance above the ground that you will be search- ing. Press ENTER to have the DFX "cancel/track Now that you're sweeping the loop smoothly over ™ out" or GROUND BALANCE the ground miner- the ground, you will notice that the detector starts making sounds (beeps).
Page 10 Chapter 3 DFX Quick Start ™ Live Search Screen - what is it telling me? A. Sweep the loop over the target several times VISUAL POSSIBLE TARGET IDENTITIES and look at the SignaGraph . The SignaGraph® ® DISCRIMINATION ("ICONS") INDICATION-V.D.I. NUMBER automatically clears itself (FADE RATE) so that it ("TARGET REFERENCE NUMBER")
Page 11 Chapter 3 DFX Quick Start ™ Live Search Screen Samples Nickel, or Penny or a possible ring. dime. If the Sometimes a screw cap and small (or half) penny ICON pull tab will are displayed, produce this the target indication...
Page 12: Pinpointing The Target
Lifting the loop Pinpointing takes practice. The standard loop pro- slightly above the ground, releasing and re- vided with the DFX™ is a high-powered, 12 inch squeezing the TRIGGER and again "X" ing the design. This harmonically tuned loop's strongest target will aid pinpointing.
Page 13 Chapter 3 DFX Quick Start ™ Ready to Dig Factory Preset Programs Permission - Prior to searching and digging you Reached from the MAIN MENU, the factory PRE- must have permission to search private property, SET PROGRAMS give a quick start for: from the owner or caretaker.
Page 14: Basic Adjustments
Chapter 4 DFX Basic Adjustments ™ Basic Adjustments Basic Adjustments - what do they do? 1. TARGET VOLUME - How loud a target beeps when detected. 2. AUDIO THRESHOLD - The slight hum or background sound heard continuously during searching.
Page 15 Chapter 4 DFX Basic Adjustments ™ More Basics "Hot Key" Shortcuts All the MENU items are tied together so that the "HOT KEYS" will save time as they allow easy ARROW up and down controls scroll through every access, from the search mode, to the most needed adjustment screen.
Page 16 Chapter 4 DFX Basic Adjustments ™ Custom EEPROM Programs Saving Basic and Pro Option adjustments for future use. Save custom settings in any one of four EEPROM program positions. They will remain permanently USE THE ARROW KEYS TO SCROLL THE...
Page 17 Chapter 4 DFX Basic Adjust- ™ 4. To NAME, use the ARROW controls to select 4. To NAME, 4. To NAME, 4. To NAME, as described above. The old program can only be the ﬁ rst symbol, number, or letter of the name and erased when a new program is stored in that posi- press ENTER.
Page 18: Target Volume
Chapter 4 DFX Basic Adjustments ™ 1. Target Volume 48 - 63 How loud a target beeps when detected. Select TARGET VOLUME with the ARROW controls and press ENTER. The current volume level sounds continuously. The number designating the current level is shown on the right side of the Tip - Select the loudest display.
Page 19: Tone (Audio Frequency)
Chapter 4 DFX Basic Adjust ™ 3. Tone (Audio Frequency) Selects the frequency or pitch of the sound the detector produces. Select TONE (AUDIO FREQ.) with the ARROW controls and press ENTER. The current TONE will sound continuously. The number designat-...
Page 20: Silent Search
Chapter 4 DFX Basic Adjustments ™ 5. Silent Search The ability of the detector to be operated without the threshold or background hum that is normally heard continuously during operation. The instrument is silent until a target is detected. Select SILENT SEARCH with the ARROW...
Page 21: Mixed Mode
Chapter 4 DFX Basic Adjust ™ 6. Mixed Mode A unique hybrid operating mode. It is an all- metal (DC non-motion, non-discriminate) mode, working simultaneously with a discriminate (AC motion discrimination) mode. It is two modes, one detecting everything and another discriminating, operating at the same time.
Page 22: Sensitivity
Chapter 4 DFX Basic Adjustments ™ 7. A.C. Sensitivity Used to select the appropriate sensitivity (degree that the instrument is responsive to signals) while being used in the discriminate modes (those which require movement of the loop). Select A.C. SENSITIVITY with the ARROW...
Page 23: Backlight
Chapter 4 DFX Basic Adjustments ™ 9. Backlight Used in dark conditions to light the display, improving visibility. Select BACKLIGHT with the ARROW controls and press ENTER. Use the ARROW controls to select the desired BACKLIGHT level. The Tip - Use only when needed, and only as bright BACKLIGHT level will be visible on the display.
Page 24: Viewing Angle
Chapter 4 DFX Basic Adjustments ™ 10. Viewing Angle Adjusts the display for visibility in low or high temperature conditions. Select VIEWING ANGLE with the ARROW con- trols and press ENTER, use the ARROW controls to make changes. The current level is shown on Tip - In cold temperatures the right side of the display.
Page 25: Pro Options
Differences at 3 kHz and 15 kHz skew the well known traditional (6.59 kHz) V.D.I. chart/numbers painted on the top of the DFX control box. Normalization recalculates signals for this traditional V.D.I.
Page 26 Chapter 5 DFX Pro Options ™ Pro Options Basics of Pro Options The PRO OPTIONS are used to make the more MAIN MENU Screen intricate adjustments available on this model. The PRO OPTIONS are divided into ﬁ ve major cat- egories of menus, structured similar to the Basic Adjustments.
Page 27: Audio
Chapter 5 DFX Pro Options ™ Tips - Use the ON set- ting until experienced at pinpointing. (Audio section) Tips - Recommended for most conditions as it provides 1. Ratchet Pinpointing greater stability particularly in non-discriminate modes or when sensitivity levels are maximized. Typically, faster Pinpointing feature, automatically detunes for easy S.A.T.
Page 28: Tone I.d
Chapter 5 DFX Pro Options ™ Tips - The best aid avail- able for pinpointing. Also can work well in combina- tion with MIXED MODE to more easily indicate when the non-discriminate chan- Tips - Great for coin, jew- nel is operating.
Page 29: G.e.b./Trac
Chapter 5 DFX Pro Options ™ (G.E.B./Trac section) 6. AutoTrac ® AUTOTRAC allows the instrument to automati- ® cally readjust the Ground Balance setting during searching. This readjustment allows for natural occurring changes in the ground mineral of an area. By maintaining an accurate Ground Balance, detection depth and stability are enhanced.
Page 30: Trac Speed
Chapter 5 DFX Pro Options ™ (G.E.B./Trac section) 8. Trac Speed Dictates when AUTOTRAC adjusts Ground Bal- ® ance. Trac Speed allows adjustment of the amount of ground mineral change required to cause Auto- tracking to occur. At slower speeds (lower num- Tips - It is desirable to bers) it takes a signiﬁ...
Page 31: Trac Offset
Chapter 5 DFX Pro Options ™ (G.E.B./Trac section) 9. Trac Offset Allows AUTOTRAC to track ground minerals ® either positive or negative in relationship to the correct setting (under, or over kill). TRAC OFFSET allows the AUTOTRAC feature ® to track the ground slightly more or less than what...
Page 32: Coarse G.e.b
Chapter 5 DFX Pro Options ™ (G.E.B./Trac section) 11. Coarse G.E.B. (Manual Ground Balance) allows viewing the cur- rent automatic Ground Balance setting (Air/Ground Balance) and/or manual overriding of the automatic Ground Balance. COARSE & FINE G.E.B. (Ground Exclusion Tips - Use for controlled Balance, or ground rejection) allows manual over- reactions to speciﬁc miner-...
Page 33: Fine G.e.b
Chapter 5 DFX Pro Options ™ (G.E.B./Trac section) 12. Fine G.E.B. FINE G.E.B. is used to make smaller adjustments to the Ground Balance range on either side of the COARSE setting. The FINE setting combines with the COARSE setting to determine the actual ground rejection level.
Page 34: Discrimination
Chapter 5 DFX Pro Options ™ (Discrimination section) 13. Disc. Edit Allows for changing which targets V.D.I. or refer- ence numbers are ACCEPTed (detected), or RE- detected), or RE- detected JECTed, (discriminated out) within the current Program you are using.
Page 35 Chapter 5 DFX Pro Options ™ types of targets it cannot readily identify. There- fore, if positive +95 is ACCEPTed, questionable The detector sees metals electronically; thus some targets may be dug that indicate this number and valuable and non-valuable targets may look identi- can produce some interesting recoveries.
Page 36: Block Edit
Chapter 5 DFX Pro Options ™ (Discrimination section) 14. BLOCK Edit Speeds major EDIT changes by dragging ACCEPT or REJECT with ARROW controls. Allows major EDIT changes to be completed quickly. EDIT is for individual V.D.I. number changes and/or viewing of the current settings.
Page 37: Learn Accept/Reject
Chapter 5 DFX Pro Options ™ (Discrimination section) 15-16. Learn Accept/Reject Speciﬁ c target samples can be used to show or teach the discriminator what metal targets you desire to ACCEPT or REJECT. Select LEARN ACCEPT or LEARN REJECT with the ARROW controls and press ENTER to turn LEARN ON.
Page 38: Recovery Speed
Chapter 5 DFX Pro Options ™ (Discrimination section) 17. Recovery Speed Speeds target responses, so several targets that are close together can each respond. When a metal is detected, it takes a fraction of a second for the detector to process the signal before it can respond to another metal target nearby.
Page 39: Bottlecap Reject
Chapter 5 DFX Pro Options ™ (Discrimination section) 18. Bottlecap Reject Adjusts how strongly the instrument rejects or breaks up on iron. Most starting programs use the minimum setting. As larger numbers are selected, more bias rejection against iron occurs.
Page 40: Hot Rock Reject
Chapter 5 DFX Pro Options ™ (Discrimination section) 19. Hot Rock Reject Hot rocks (rocks higher or different in mineraliza- tion than the surrounding ground) respond as +95 on the V.D.I. scale. Unfortunately in some ground conditions very deep, small, or unusual real metal targets may also indicate +95.
Page 41: Sweep Speed
Another area well suited to faster loop sweep The SWEEP SPEED of the DFX is adjustable in all speeds are large areas that settings except a GROUND FILTER setting of 2. have few metal items near A GROUND FILTER setting of 2 has a ﬁ...
Page 42: Ground Filtering
(High Pass Filters or Differentiators) GROUND FILTERING is adjustable with the DFX. The ﬁ rst two primary ﬁ lters are contained within the hardware (electrical parts). The remain- ing ﬁ lters are contained within the computer soft- Tips - Metal detectors are often described or cat- ware allowing full user adjustment.
Page 43: Display
Chapter 5 DFX Pro Options ™ (Display section) 22. Visual Disc. When ON, REJECTed V.D.I. numbers and their REJECTed V.D.I. numbers and their REJECT associated ICONS are prevented from appearing on the display. When OFF, all V.D.I. numbers and associated ICONS appear.
Page 44: Sensitivity
Chapter 5 DFX Pro Options ™ (Display section) 24. V.D.I. Sensitivity Controls how strong a target must respond to pro- duce a display indication, and controls a third digit (fraction) of the V.D.I. number. V.D.I. Sensitivity controls the intensity (strength) of the target signal needed to activate the display Tips - Lower V.D.I.
Page 45: Phase
Chapter 5 DFX Pro Options ™ (Display section) 25. D.C. Phase Measurement of the ground mineralization, or measuring the phase (V.D.I. reference number) of a speciﬁ c metal target during pinpointing. When D.C. PHASE is ON, and the TRIGGER squeezed and released, normal searching begins.
Page 46: Accumulate
Chapter 5 DFX Pro Options ™ (Display section) 26. Accumulate ON combines SignaGraph information over mul- ® tiple loop passes, OFF shows SignaGraph informa- ® tion only from the last sweep of the loop. Accumulate allows the SignaGraph to continually ®...
Page 47: Fade
Chapter 5 DFX Pro Options ™ (Display section) 28. Fade Clears or fades noncurrent SignaGraph informa- ® tion (bars). FADE allows past information to automatically clear or fade from the SignaGraph . Without Fade, ® or with too slow of a FADE rate, the SignaGraph ®...
Page 48: Preamp Gain
Chapter 5 DFX Pro Options ™ (Preamp Gain section) 29. Preamp Gain Selects the intensity of the signal received from the loop. PREAMP GAIN (called Signal Balance on some models) is used to promote stability and perfor- mance. Like a sensitivity control, too much PRE-...
Page 49: Multi Frequency Method
Chapter 5 DFX Pro Options ™ Multi Frequency Method Only one of the four available multifrequency methods, BEST DATA, CORRELATE, 1 kHz, (Multi Frequency Method section) and 15 kHz, can be "ON" at any one given 30. 2 Frequency (Best Data) 30.
Page 50: Normalization
Chapter 5 DFX Pro Options ™ (Multi Frequency Method section) 32. V.D.I. Normalization Normalization OFF chart for 3 kHz expands the high (copper/silver) end of the scale and com- Normalization OFF chart for 3 kHz expands the high (copper/silver) end of the scale and com- presses the low (foil/nickel) end of the scale.
Page 51: Eeprom Programs
Chapter 5 DFX Pro Options ™ Factory Pre-Loaded Custom EEPROM Programs To use a custom EEPROM Program Simply; Whiteʼs has pre-loaded each of the four custom 1. Turn the detector ON and wait for the EEPROM Program positions for you. These pro- Main Menu.
Page 52 Chapter 5 DFX Pro Options ™ Pre-Loaded EEPROM Programs AC Sensitivity 65 EEPROM DP-SILVER (Deep Silver) 1 Frequency (3 kHz) A good general purpose program where the Re-save any changes if future use majority of the trash is iron and small/ is desired.
Page 53: Program Settings Chart
Preset Program Settings COIN & JEWELRY RELIC COIN PROSPECT & BEACH JEWELRY BASIC ADJUSTMENTS: TARGET VOLUME 48 - 63 AUDIO THRESHOLD 0 - 42 TONE (AUDIO FREQ.) 0 - 255 AUDIO DISC. ON/OFF SILENT SEARCH ON/OFF MIXED-MODE ON/OFF A.C. SENSITIVITY 1 - 85 D.C.
Page 54 Custom EEPROM Program Settings EEPROM EEPROM EEPROM EEPROM NOTES DEMO HI-PRO DP-SILVER HI-TRASH BASIC ADJUSTMENTS: TARGET VOLUME 48 - 63 AUDIO THRESHOLD 0 - 42 TONE (AUDIO FREQ.) 0 - 255 AUDIO DISC. ON/OFF SILENT SEARCH ON/OFF MIXED-MODE ON/OFF A.C. SENSITIVITY 1 - 85 D.C.
Page 55: Glossary
Glossary Glossary All-Metal: Any mode or control setting allowing total acceptance of all metal types, iron, aluminum, tin, nickel, gold, brass, lead, copper, silver etc. Audio ID: Circuitry which produces different audio tones (pitch) for different target's conductivity. Black Sand: One of the most extreme components of non-conductive, negative ground minerals. Mag- netic.
Page 56: Warranty
Owner Info WARRANTY TRANSFER If for any reason you should sell your Spectrum DFX prior to the date the warranty ex- ™ pires, the remaining warranty is transferable. This transfer is authorized by calling 1-800-547- 6911, and getting an Authorization Number.
Page 57 Owner Info WHITE'S ELECTRONICS INC. LIMITED WARRANTY STATEMENT If within two years (24 months) from the original date of purchase, your White's detector fails due to defects in either material or workmanship, White's will repair or replace at its option, all necessary parts without charge for parts or labor.
Page 58: Service
White's Service Centers White's Authorized Service Centers Centreville Electronics White's Electronics 10063 Wellington Rd. Electronic Exploration 1011 Pleasant Valley Rd. Manassas, Va. 20110 575 West Harrison Sweet Home, OR 97386 (888) 645-0202 Lombard, IL 60148 (541) 367 6121 (703) 367-7999 (800) 392-3223 Fax (541) 367 6629 (703) 367-0868 FAX...
Page 59: Warranty(Uk)
This warranty does not affect your statutory legal rights. Whiteʼs Electronics (UK) Ltd 35 Harbour Road ~ Inverness ~ Scotland ~ IV1 1UA Telephone: (01463) 223456 Fax: (01463) 224048 Email: sales@whelects.demon.co.uk. Web site: www.whites.co.uk...
Page 60: Warranty Transfer
White's (UK) Warranty Transfer Warranty Transfer If for any reason you should sell your White's detector prior to the date the warranty ex- pires, the remaining warranty may be transferable. Simply ﬁ ll out the following information, and send it to White's Electronics, (UK) Ltd., 35 Harbour Road, Inverness, Scotland, IV1 1UA.

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