Whites DXF Manuel d'utilisateur Page 1

1DFX® Table of ContentsAssembly ...

10Chapter 3 DFX™ Quick StartLive Search Screen - what is it telling me?VISUAL DISCRIMINATIONINDICATION-V.D.I. NUMBER("TARGET REFERENCE NUMBER&quo

11Chapter 3 DFX™ Quick StartLive Search Screen SamplesNickel, or possible ring. Sometimes a small (or half) pull tab will produce this indicationQuar

12Chapter 3 DFX™ Quick StartPinpointing the TargetOnce the decision has been made to dig, move the loop off to one side of the target area, squeeze an

13Chapter 3 DFX™ Quick StartReady to DigPermission - Prior to searching and digging you must have permission to search private property, from the owne

14Chapter 4 DFX™ Basic AdjustmentsBasic Adjustments Basics of Basic AdjustmentAfter you have had some fi eld experience, you may want to make some chan

15Chapter 4 DFX™ Basic AdjustmentsMore BasicsAll the MENU items are tied together so that the ARROW up and down controls scroll through every adjustme

16A. LOAD will activate a prior custom pro-gram stored in that position. After you have SAVED or NAMED a program, you can select LOAD and press ENTER

17Chapter 4 DFX™ Basic Adjustments4. To NAME, use the ARROW controls to select the fi rst symbol, number, or letter of the name and press ENTER. Use t

18Chapter 4 DFX™ Basic Adjustments1. Target Volume 48 - 63 How loud a target beeps when detected.Select TARGET VOLUME with the ARROW controls and pres

19Chapter 4 DFX™ Basic Adjustments3. Tone (Audio Frequency)Selects the frequency or pitch of the sound the detector produces. Select TONE (AUDIO FREQ.

2AssemblyChapter 1 DFX™ AssemblyELBOW CUP STRAPELBOW CUP FOAM PADSINSIDE ELBOWCUPCONTROL BOX“S” RODLOOP CABLECAMLOCKSWASHERSBETWEENEACH LOOPEAR &

20Chapter 4 DFX™ Basic Adjustments5. Silent SearchThe ability of the detector to be operated without the threshold or background hum that is normally

216. Mixed ModeA unique hybrid operating mode. It is an all-metal (DC non-motion, non-discriminate) mode, working simultaneously with a discriminate

22Chapter 4 DFX™ Basic Adjustments7. A.C. SensitivityUsed to select the appropriate sensitivity (degree that the instrument is responsive to signals)

239. BacklightUsed in dark conditions to light the display, improving visibility.Select BACKLIGHT with the ARROW controls and press ENTER. Use the AR

2410. Viewing AngleAdjusts the display for visibility in low or high temperature conditions. Select VIEWING ANGLE with the ARROW con-trols and press E

25Chapter 5 DFX™ Pro OptionsPro Options AUDIO 1. RATCHET PINPOINTING - Pinpoint feature, automatically detunes for center location. 2. S.A.T. SPEED

26Basics of Pro OptionsThe PRO OPTIONS are used to make the more intricate adjustments available on this model. The PRO OPTIONS are divided into fi ve

27Chapter 5 DFX™ Pro Options1. Ratchet PinpointingPinpointing feature, automatically detunes for easy target-center locating.ON - Automatically aids i

28Chapter 5 DFX™ Pro Options2. S.A.T. SpeedSelf-Adjusting Threshold (auto-tune) smooths the THRESHOLD, OFF (0), or ON (1-10).Without S.A.T. SPEED (a s

29Chapter 5 DFX™ Pro Options3. Tone I.D.Assigns each V.D.I. number its own distinct tone or pitch. Target ranges can easily be identifi ed by their sou

3Chapter 1 DFX™ Assemblyreadjust clevis/lower rod length with the spring clip buttons so that the search coil can be held near the fl oor without requi

30Chapter 5 DFX™ Pro Options5. Modulation Allows motion modes to produce different volume levels based on target depth.Modulation is used in the discr

316. AutoTrac®AUTOTRAC® allows the instrument to automati-cally readjust the Ground Balance setting during searching. This readjustment allows for na

32Chapter 5 DFX™ Pro Options8. Trac SpeedDictates when AUTOTRAC® adjusts Ground Bal-ance.Trac Speed allows adjustment of the amount of ground mineral

339. Trac OffsetAllows AUTOTRAC® to track ground minerals either positive or negative in relationship to the correct setting (under, or over kill).TRA

3411. Coarse G.E.B.(Manual Ground Balance) allows viewing the cur-rent automatic Ground Balance setting (Air/Ground Balance) and/or manual overriding

35Chapter 5 DFX™ Pro Options12. 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 s

36Chapter 5 DFX™ Pro Options13. Disc. EditAllows for changing which targets V.D.I. or refer-ence numbers are ACCEPTed (detected), or RE-detected), or

37types of targets it cannot readily identify. There-fore, if positive +95 is ACCEPTed, questionable targets may be dug that indicate this number and

38Chapter 5 DFX™ Pro Options14. BLOCK EditSpeeds major EDIT changes by dragging ACCEPT or REJECT with ARROW controls.Allows major EDIT changes to be c

39Chapter 5 DFX™ Pro Options15-16. Learn Accept/RejectSpecifi c target samples can be used to show or teach the discriminator what metal targets you de

4BatteriesChapter 2 DFX™ BatteriesStandard Battery Holder1. The standard battery holder (blue decal) holds eight “AA” cell batteries. Alkalines are r

40Chapter 5 DFX™ Pro Options17. Recovery SpeedSpeeds target responses, so several targets that are close together can each respond.When a metal is det

41Chapter 5 DFX™ Pro Options18. Bottlecap RejectAdjusts how strongly the instrument rejects or breaks up on iron.Most starting programs use the minimu

42Chapter 5 DFX™ Pro Options19. Hot Rock Reject(Discrimination section)Tips - Hot Rocks are often described or categorized as either negative/magnetic

43Chapter 5 DFX™ Pro Options20. Sweep Speed(Discrimination section)Tips - Typically a competi-tion or speed hunt would indisputably be a situation whe

44Chapter 5 DFX™ Pro OptionsChapter 5 DFX™ Pro Options21. Ground Filtering(High Pass Filters orDifferentiators)(Discrimination section)Tips - Metal de

45Chapter 5 DFX™ Pro Options22. Visual Disc.When ON, REJECTed V.D.I. numbers and their REJECTed V.D.I. numbers and their REJECTassociated ICONS are pr

46Chapter 5 DFX™ Pro Options24. V.D.I. SensitivityControls how strong a target must respond to pro-duce a display indication, and controls a third dig

47Chapter 5 DFX™ Pro Options25. D.C. PhaseMeasurement of the ground mineralization, or measuring the phase (V.D.I. reference number) of a specifi c met

48Chapter 5 DFX™ Pro Options(Display section)26. AccumulateON combines SignaGraph® information over mul-tiple loop passes, OFF shows SignaGraph® infor

49Chapter 5 DFX™ Pro Options(Display section)28. FadeClears or fades noncurrent SignaGraph® informa-tion (bars).FADE allows past information to automa

5Chapter 2 DFX™ BatteriesRechargeable BatteryA rechargeable battery (green decal) is provided with your instrument. This battery can be recharged hund

50Chapter 5 DFX™ Pro Options(Preamp Gain section)29. Preamp GainSelects the intensity of the signal received from the loop.PREAMP GAIN (called Signal

51Chapter 5 DFX™ Pro Options(Multi Frequency Method section)30. 2 Frequency (Best Data)30. 2 Frequency (Best Data)Transmits and processes data continu

52V.D.I. Normalization - Used in the 1 frequency operating modes to correct the skewing of the tradi-tional (6.59 kHz) V.D.I. number display calibrati

53Chapter 5 DFX™ EEPROM ProgramsFactory Pre-Loaded Custom EEPROM ProgramsWhiteʼs has pre-loaded each of the four custom EEPROM Program positions for y

54Chapter 5 DFX™ EEPROM ProgramsPre-Loaded EEPROM ProgramsEEPROM DP-SILVER (Deep Silver) A good general purpose program where the majority of the

55Preset Program SettingsBASIC ADJUSTMENTS: TARGET VOLUME 48 - 63 AUDIO THRESHOLD 0 - 42 TONE (AUDIO FREQ.) 0 - 255 AUDIO DISC.

56Custom EEPROM Program SettingsBASIC ADJUSTMENTS: TARGET VOLUME 48 - 63 AUDIO THRESHOLD 0 - 42 TONE (AUDIO FREQ.) 0 - 255 AUDIO D

57GlossaryAll-Metal: Any mode or control setting allowing total acceptance of all metal types, iron, aluminum, tin, nickel, gold, brass, lead, copper

58 If for any reason you should sell your Spectrum DFX™ prior to the date the warranty ex-pires, the remaining warranty is transferable. This transf

59 If within two years (24 months) from the original date of purchase, your White's detector fails due to defects in either material or workmans

6Chapter 2 DFX™ Batteries6. The battery will lose its charge during stor-age. If stored inserted in your instrument, this loss will be more notewort

60White's Service CentersWhite's Authorized Service CentersWhite's Electronics1011 Pleasant Valley Rd.Sweet Home, OR 97386(541) 367 612

7Chapter 2 DFX™ BatteriesBattery Life & Memory Volatile memorytemporarily holds any program changes or settings not yet saved in a Custom Pro-gram

8Chapter 3 DFX™ Quick StartDFX™ Quick Start Instructions After you have assembled the DFX™ and inserted the battery pack, follow these simple steps t

9Chapter 3 DFX™ Quick StartSearch Fundamentals The loop/search coil must be in motion (sweep-ing from side-to-side) for this instrument to respond