Dakota-ultrasonics DFX-8 plus MANUAL1 User Manual

OPERATION MANUAL DAKOTA ULTRASONICS DDFFXX--88 SSeerriieess Ultrasonic Flaw Detectors (Manual 2 of 2) P/N P-250-0004

Dakota Ultrasonics 6 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key multip

Dakota Ultrasonics 96 11.7 Zero The DFX-8 has a feature to manually adjust the electronic zero. This feature used in conjunction with manually adjust

DFX-8 Series Ultrasonic Flaw Detectors 97 6) Press the LEFT and RIGHT arrow keys multiple times using the left button wheel to scroll the digit loca

Dakota Ultrasonics 98 2) Use the UP and DOWN arrow keys multiple times on the left button wheel to scroll through the sub menu items until BRIGHTNES

DFX-8 Series Ultrasonic Flaw Detectors 99 3) Press the ENTER key to display a list of the color scheme options. 4) Press the UP and DOWN arrow keys

Dakota Ultrasonics 100 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key mul

DFX-8 Series Ultrasonic Flaw Detectors 101 Filled – Draws a filled version of the waveform. The procedure to select the look and feel

Dakota Ultrasonics 102 Alternatively, press the LEFT and RIGHT arrow keys multiple times using the left button wheel. 2) Use the UP and DOWN arrow

DFX-8 Series Ultrasonic Flaw Detectors 103 None Line Dots

Dakota Ultrasonics 104 the DISP menu is highlighted and displaying the submenu items. Alternatively, press the LEFT and RIGHT arrow keys multiple t

DFX-8 Series Ultrasonic Flaw Detectors 105 Immersion Testing Considerations:  There is a significant difference between sound traveling in water

7 CHAPTER THREE KEYBOARD, MENU, & CONNECTOR REFERENCE 3.1 Menu Key (Operation & Sub Menus) The Menu key activates the primary menu

Dakota Ultrasonics 106 The procedures for enabling and adjusting the IM measurement mode are outlined below: Activating the (IM) Mode 1) Press the M

DFX-8 Series Ultrasonic Flaw Detectors 107 11.15 Filters (Wide & Narrow Bands) The DFX-8 includes a wide band filter with a range of 1.8MHz to 19M

Dakota Ultrasonics 108 11.16 Gain Step Size Adjusting Gain Step Size 1) Press the MENU key once to activate the menu items tab. Press the MENU key

DFX-8 Series Ultrasonic Flaw Detectors 109 8) Press the OK key to set the gain step and return to the menu screen, or ESC to cancel entering the gain

Dakota Ultrasonics 110 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key mul

DFX-8 Series Ultrasonic Flaw Detectors 111 The diagram above is an RF view, showing both the positive and negative going cycles for purposes of expl

Dakota Ultrasonics 112 Note: The screenshots above show where all the possible locations for polarity selection are found in the DFX-8. For more inf

DFX-8 Series Ultrasonic Flaw Detectors 113 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right

Dakota Ultrasonics 114 Activating and Using Compare 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times

DFX-8 Series Ultrasonic Flaw Detectors 115 The DFX-8+ is also equipped with an analog outputs to send a 0-10 volt electrical signal to an external dev

Dakota Ultrasonics 8 Activating and Navigation of the Menu Items 1) Press the MENU key once to activate the menu items tab. Press the MENU key multi

Dakota Ultrasonics 116 The DFX-8 is equipped with an internal clock to time and date stamp the log, setup and screen capture files for reporting/docum

DFX-8 Series Ultrasonic Flaw Detectors 117 5) Press the LEFT and RIGHT arrow keys multiple times on the right button wheel to scroll the value. 6) R

Dakota Ultrasonics 118 3) Use the LEFT and RIGHT arrow keys multiple times using the left button wheel to scroll the KEY CLICK options. 4) Once the

DFX-8 Series Ultrasonic Flaw Detectors 119 2) Use the UP and DOWN arrow keys multiple times using the left button wheel to scroll through the sub me

Dakota Ultrasonics 120 Note: At any point during a PEAK scan the operator may opt to clear the wave drawing and start over. 1) Press the CLEAR key at

DFX-8 Series Ultrasonic Flaw Detectors 121 Note: If the CAPTURE feature has been activated, pressing the FREEZE key a second time will capture the sc

122 CHAPTER TWELVE DATA STORAGE – SETUP, EDIT, & VIEW FILES 12.1 Introduction to Grid and Sequential file formats The DFX-8 is equipped with two d

DFX-8 Series Ultrasonic Flaw Detectors 123 Grid File Formats Sequential Log Formats Important Note: For the duration of this ch

Dakota Ultrasonics 124 Grid/Seq Log Name : Can contain a combination of up to 20 numeric, alpha, or special characters listed in the first section of

DFX-8 Series Ultrasonic Flaw Detectors 125 Grid Log Sequential Log 4) Press the ENTER key to display the new Grid or

DFX-8 Series Ultrasonic Flaw Detectors 9 3.2 Probe – Menu TYPE: Enables the user to select the type of transducer being used, either Single

Dakota Ultrasonics 126 9) Use the CLR key to backspace if necessary. 10) Repeat steps 6 - 9 until the Grid or Seq Name (File Name) is completed. 11)

DFX-8 Series Ultrasonic Flaw Detectors 127 3) Use the UP, DOWN, LEFT, & RIGHT arrow keys on the left button wheel to highlight the appropriate

Dakota Ultrasonics 128 Sequential: The sequential file format can be viewed as a file as a single column of up to 512 possible rows (readings), and a

DFX-8 Series Ultrasonic Flaw Detectors 129 Grid Log Sequential Log 3) GRID LOG: Use the LEFT, & RIGHT arrow ke

Dakota Ultrasonics 130 Grid Log Sequential Log 1) Use the UP and DOWN arrow keys on the left button wheel to scroll

DFX-8 Series Ultrasonic Flaw Detectors 131 SEQ LOG: Use the UP, DOWN, LEFT, & RIGHT arrow keys on the left button wheel to highlight the approp

Dakota Ultrasonics 132 Selecting the Auto Increment Direction The Auto Increment feature gives the user the ability to specify which direction to adv

DFX-8 Series Ultrasonic Flaw Detectors 133 Saving a Grid Once all the parameters are set, the user has the option of saving or canceling the new grid

Dakota Ultrasonics 134 Grid Log Sequential Log 3) Press the OK key to save the New Grid or Seq Log, or the ESC key to

DFX-8 Series Ultrasonic Flaw Detectors 135 Key Feature: When the DFX-8 is displaying a “grid log”, pressing the OK key will initiate an advance to ro

Dakota Ultrasonics 10 MATL 2PT: Performs a two-point calibration. This option allows the user to automatically calculate the velocity by entering a

Dakota Ultrasonics 136 12.4 Viewing stored readings It is sometimes necessary to go back and view the stored readings and B-Scans using the DFX-8 with

DFX-8 Series Ultrasonic Flaw Detectors 137 4) The user may opt to clear a specific reading and save a new one at any time. Press the CLR key in the

Dakota Ultrasonics 138 3) Press the ENTER key to display the File List Box. 4) Use the UP and DOWN arrow keys on the left button wheel to scroll

DFX-8 Series Ultrasonic Flaw Detectors 139 3) Press the ENTER key to activate the confirmation screen. 4) Press the OK key to delete All Files from m

Dakota Ultrasonics 140 12.6 Editing a Grid (File) Once a grid has been created and saved to memory, the user can edit the Name, Comments, or Increment

DFX-8 Series Ultrasonic Flaw Detectors 141 5) Press the ENTER key to activate the Alpha Edit box – Only used when editing the NOTE. 6) Use the UP,

Dakota Ultrasonics 142 11) Press the OK key to save the changes or the ESC key to cancel editing the file parameters. 12) Press the MEAS key to r

DFX-8 Series Ultrasonic Flaw Detectors 143 the DATA menu is highlighted and displaying the submenu items. Alternatively, press the LEFT and RIGHT a

Dakota Ultrasonics 144 7) Press the MEAS key to return to the measure screen. 12.8 Closing an active File - Close A user might not have a current req

DFX-8 Series Ultrasonic Flaw Detectors 145 3) Press the ENTER key to close the active file. Note: Following the key press, the CLOSE text will be

DFX-8 Series Ultrasonic Flaw Detectors 11 3.5 TUNE – Menu MEASURE MODE: This menu item is only included in our DFX-8+. Toggles a variet

146 CHAPTER THIRTEEN SETUPS – CREATE, STORE, EDIT, & RECALL 13.1 Introduction to Setups Often times, users are faced with a variety of tasks and a

DFX-8 Series Ultrasonic Flaw Detectors 147 Opening a Setup 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple t

Dakota Ultrasonics 148 5) Press the ENTER key to activate the confirmation screen. 6) Press the OK key to load the setup from memory. 7) Press the ME

DFX-8 Series Ultrasonic Flaw Detectors 149 Saving a Setup 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple tim

Dakota Ultrasonics 150 5) When the parameter to edit is highlighted, press the ENTER key to activate the Alpha Edit Box. 6) Use the

DFX-8 Series Ultrasonic Flaw Detectors 151 11) Use the UP and DOWN arrow keys on the left button wheel to scroll through the setups until the targ

Dakota Ultrasonics 152 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key mul

DFX-8 Series Ultrasonic Flaw Detectors 153 6) Press the OK key to delete the Setup File. 7) Finally, press the MEAS key to return to the measurement

Dakota Ultrasonics 154 Using the Default Setup 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab r

DFX-8 Series Ultrasonic Flaw Detectors 155 13.6 Selecting a Language The DFX-8 is equipped with a language option. Currently, only a few languages su

Dakota Ultrasonics 12 GATE1: Gates allow the user to view a specific inspection/measurement range, or specific regions of the waveform, while ignorin

156 CHAPTER FOURTEEN SOFTWARE, FILE TRANSFER, & UPGRADES 14.1 Computer System Requirements DakView will run on many different operating systems:

DFX-8 Series Ultrasonic Flaw Detectors 157 14.4 Using the XFER menu (DFX-8) The XFER menu of the DFX-8 will be used in conjunction with the DakView PC

Dakota Ultrasonics 158 Selecting Storage Device 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to

DFX-8 Series Ultrasonic Flaw Detectors 159 Copying Files Between Storage Devices 1) Press the MENU key once to activate the menu items tab. Press t

Dakota Ultrasonics 160 5) Press the ENTER key to either transfer ALL files, or display the Individual List of files. 6) Use the UP and DOWN arrow

DFX-8 Series Ultrasonic Flaw Detectors 161 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab ri

162 APPENDIX A - VELOCITY TABLE Material L-Wave velocity in/µs L-Wave velocity m/s S-Wave Velocity in/µs S-Wave Velocity in/µs Aluminum 0.2510 63

DFX-8 Series Ultrasonic Flaw Detectors 163 Steel Stainless" 0.2230 5664 .1230 3120 Teflon 0.0540 1372 .2500 6350 Tin 0.1310 3327 .0660 1670 Tit

164 APPENDIX B - SETUP LIBRARY Num Name Comment 1 Gn/AGC Velocity 1 Enter Custom Name 2 … 3 … 4 … 5 … 6 … … …

165 WARRANTY INFORMATION  Warranty Statement  Dakota Ultrasonics warrants the DFX-8 against defects in materials and workmanship for a period of t

DFX-8 Series Ultrasonic Flaw Detectors 13 POLARITY2: The gates can be set to detect on either the positive or negative polarity, or stroke, of the ha

PCSoftware&FirmwareNote:Allsoftwaredownloadsandupgradesareavailableonourwebsiteatnoadditionalcharge.Take

Dakota Ultrasonics 14 REFERENCE GAIN: The gain (in dB) required to set the indication level to a specific percentage of full screen height (FSH). Th

DFX-8 Series Ultrasonic Flaw Detectors 15 MEAS: Toggles the units displayed as a relationship of either the signal amplitude and DAC curve, or just t

Dakota Ultrasonics 16 DVK: Used to correct for increases in gain based on a curved reference standard, to an actual back wall reflector. Refer to pa

DFX-8 Series Ultrasonic Flaw Detectors 17 3.14 DATA – Menu NEW: Allows the user the ability to create a new alpha numeric grid, or sequentia

Dakota Ultrasonics 18 ANALOG OUTPUT: DFX-8+ only. Proportional outputs (amplitude or distance), 0-10 volts. Speed is determined by the PRF setting.

DFX-8 Series Ultrasonic Flaw Detectors 19 The primary functions of the CLR key, is to clear a measurement from a grid or sequential log files cell loc

Dakota Ultrasonics 20 The ENTER key is used in the overall menu selection process, to activate list and edit boxes, display and save measurements/wave

DFX-8 Series Ultrasonic Flaw Detectors 21 The ON/OFF key simply powers the unit either ON or OFF. Note: Unit will automatically power off when idle

Dakota Ultrasonics 22 iv. DAC – Distance Amplitude Correction v. DGS – Distance Gain Size  View i. RF: Radio Frequency. ii. R+: Rectified posit

DFX-8 Series Ultrasonic Flaw Detectors 23 Always Displayed & Active Displayed Only When Active The diagram above is a screenshot of al

Dakota Ultrasonics 24 arrow keys to scroll through the Hot Menu items. Alternatively, the MEAS & ESC keys can be used to scroll through the Hot M

DFX-8 Series Ultrasonic Flaw Detectors 25 USB Type B Connector Refer to Diagram: The USB connector is a common type B connector found on a variety of

CHAPTER ONE INTRODUCTION ... 1CHAPTER TWO QUICK START GUIDE ...

Dakota Ultrasonics 26 Analog Output (LEMO 1 – 5 pin) Refer to Diagram: The DFX-8+ is also equipped with analog outputs 0-10volt, and is update

27 CHAPTER FOUR SETTING UP FOR MEASUREMENT 4.1 Selecting Display View The DFX-8 includes a variety of viewing options for the waveform display. There

Dakota Ultrasonics 28 using the left button wheel. For quick access and editing, refer to navigating the Hot Menus page 22. 2) Use the UP and DOWN

DFX-8 Series Ultrasonic Flaw Detectors 29 Setting Delay 1) Using the left button wheel, press the LEFT and RIGHT arrow keys to scroll through the

Dakota Ultrasonics 30 Setting Range 1) Using the left button wheel, press the LEFT and RIGHT arrow keys to scroll through the 9 individual Hot Me

DFX-8 Series Ultrasonic Flaw Detectors 31 4.3 Gain The gain feature of the DFX-8 is used to adjust the signal amplitude to a predetermined reference h

Dakota Ultrasonics 32 2) Additionally, the increment GAIN STEP size can be adjusted at any time by pressing the GAIN button and displaying the Dig

DFX-8 Series Ultrasonic Flaw Detectors 33 2) Use the UP and DOWN arrow keys on the left button wheel to scroll through the sub menu items until GA

Dakota Ultrasonics 34 detect on reflections that occur inside the boundaries of the gate. Anything outside of the start and range/width of the gate w

DFX-8 Series Ultrasonic Flaw Detectors 35 until the GT1 menu is highlighted and displaying the submenu items. Alternatively, press the LEFT and RIG

Dakota Ultrasonics 36 4) Press the LEFT and RIGHT arrow keys multiple times using the left button wheel to scroll the digit locations. 5) Repeat ste

DFX-8 Series Ultrasonic Flaw Detectors 37 1) Press the UP and DOWN arrow keys multiple times on the left button wheel until THRESHOLD1 is highlighte

Dakota Ultrasonics 38

39 CHAPTER FIVE CALIBRATION In this section we’ll focus on calibrating the DFX-8. There are a number of ways to go about performing a calibration, bu

Dakota Ultrasonics 40 The gauge will require a few basic adjustments in order to get underway with the calibration process. For this example, in orde

DFX-8 Series Ultrasonic Flaw Detectors 41 2) Press the ENTER key to display the Digits Edit Box. 3) Press the UP and DOWN arrow keys multiple times

Dakota Ultrasonics 42 Activating a Gate 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right an

DFX-8 Series Ultrasonic Flaw Detectors 43 3) Press the UP and DOWN arrow keys multiple times on the left button wheel to scroll the highlighted valu

Dakota Ultrasonics 44 2) Press the ENTER key to display the Digits Edit Box. 3) Press the UP and DOWN arrow keys multiple times on the left button w

DFX-8 Series Ultrasonic Flaw Detectors 45 Two Point Calibration – Straight Beam Note: Calibration standards representing the minimum and ma

CHAPTER ONE INTRODUCTION The Dakota Ultrasonics model DFX-8 is both, an ultrasonic flaw detector, as well as an ultrasonic A/B Scan thickness scope

Dakota Ultrasonics 46 2) Press the LEFT and RIGHT arrow keys on the right button wheel to move the gate over the waveform to be measured, as demonst

DFX-8 Series Ultrasonic Flaw Detectors 47 7) Press the OK key to calculate the velocity and return to the menu screen, or ESC to cancel the one point

Dakota Ultrasonics 48 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key multi

DFX-8 Series Ultrasonic Flaw Detectors 49 Note: A velocity and zero value will be calculated and displayed in the fields a shown above. 8) Finally,

Dakota Ultrasonics 50 3) Press the MEAS key once to highlight the WIDTH1 cell. Alternatively, use the UP and DOWN arrow keys on the left button wh

DFX-8 Series Ultrasonic Flaw Detectors 51 section 5.1 and 5.2, regarding the procedures to setup and calibrate the DFX-8. The following are a list of

Dakota Ultrasonics 52 inches. The operator then positions the transducer on an index point, moves the transducer in both directions forward and backw

DFX-8 Series Ultrasonic Flaw Detectors 53 3) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right a

54 CHAPTER SIX TRIGONOMETRY MODE 6.1 Introduction to TRIG Trig mode is most commonly used for inspecting welded joints using an angle beam transducer.

DFX-8 Series Ultrasonic Flaw Detectors 55 When TRIG mode is enabled, the calculated measurements will be displayed below the waveform display area at

1.2 Electrical Warning The DFX-8 series gauges contain high voltage pulsers. It’s recommended that the gauge be powered off prior to connecting or di

Dakota Ultrasonics 56 Activating & Setting the Parameters Activate Trig Mode 1) Press the MENU key once to activate the menu items tab. Press t

DFX-8 Series Ultrasonic Flaw Detectors 57 3) Press the UP and DOWN arrow keys multiple times on the left button wheel to scroll the highlighted va

Dakota Ultrasonics 58 and RIGHT arrow keys multiple times using the left button wheel to scroll the value. When the correct X-Offset is displayed, pr

DFX-8 Series Ultrasonic Flaw Detectors 59 6) Press the OK key to set the CSC OD and return to the menu screen, or ESC to cancel entering the CSC OD. N

60 CHAPTER SEVEN AWS – WELD INSPECTION 7.1 Introduction to AWS AWS provides a toolkit for evaluating defects according to the American Welding Society

DFX-8 Series Ultrasonic Flaw Detectors 61 inspection, and should additionally be setup prior to enabling the AWS feature. Refer to Chapter Six for in

Dakota Ultrasonics 62 until the AWS menu is highlighted and displaying the submenu items. Alternatively, press the LEFT and RIGHT arrow keys multip

DFX-8 Series Ultrasonic Flaw Detectors 63 Setting the Reference Gain 1) Press the UP and DOWN arrow keys multiple times on the left button wheel unt

Dakota Ultrasonics 64 4) Press the LEFT and RIGHT arrow keys multiple times on the right button wheel to adjust the size or width of GATE1. Note: W

DFX-8 Series Ultrasonic Flaw Detectors 65

3 CHAPTER TWO QUICK START GUIDE This section will cover a basic quick start guide to initially get up and running with the DFX-8 for demonstration pur

66 CHAPTER EIGHT DISTANCE AMPLITUDE CORRECTION (DAC) 8.1 Introduction to DAC A DAC curve is a gate with a variable threshold to compensate for a given

DFX-8 Series Ultrasonic Flaw Detectors 67 %FSH – The top of the waveform display represents 100% full screen height. Any waveform amplitudes generate

Dakota Ultrasonics 68 Alternatively, press the LEFT and RIGHT arrow keys multiple times using the left button wheel. 2) Use the UP and DOWN arrow

DFX-8 Series Ultrasonic Flaw Detectors 69 RIGHT arrow keys on the right button wheel to toggle and select which curve or gate to use as the alarm trig

Dakota Ultrasonics 70 ex. 1 ex. 2 2) Press the left button wheel, press the LEFT and RIGHT arrow keys to scroll throu

DFX-8 Series Ultrasonic Flaw Detectors 71 6) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right,

72 CHAPTER NINE TIME CORRECTED GAIN (TCG) 9.1 Introduction to TCG The TCG feature increases gain as distance increases, in order to achieve an overall

DFX-8 Series Ultrasonic Flaw Detectors 73 Setting TCG Parameters Activating TCG 1) Press the MENU key once to activate the menu items tab. Press th

Dakota Ultrasonics 74 3) Press the UP and DOWN arrow keys multiple times on the left button wheel to scroll the highlighted value. 4) Press the LE

DFX-8 Series Ultrasonic Flaw Detectors 75 1) With all the parameters set in the previous section, press the MEAS key once to return to the main measu

Dakota Ultrasonics 4 Dim: Off Rect Wave: Filled Detect Mark: None Note: The following features are set to off: GT2, TRIG

Dakota Ultrasonics 76 Note: You must set 3 points to draw a TCG curve, and a total of 16 points can be set. Any point can be cleared by pressing the

77 CHAPTER TEN DISTANCE, GAIN, SIZE (DGS) 10.1 Introduction to DGS (AVG) The DGS (Distance, Gain, Size) method was introduced in 1958 as a way to stan

Dakota Ultrasonics 78 Considerations:  Should only be used with single element probes.  The effective diameter must be estimated for standard tran

DFX-8 Series Ultrasonic Flaw Detectors 79 Where: N = Near Field Length DEFF = Effective Diameter = Wave Length (velocity/frequency) In order to a

Dakota Ultrasonics 80 DEFF = Effective Diameter K = Aspect Ratio A = Largest Dimension 0.97 = Fixed Ratio Calculated results can also be compared to

DFX-8 Series Ultrasonic Flaw Detectors 81 Trigger Curve: Enables the user to set the detection curve to either DGS or GATE. This will be the curve u

Dakota Ultrasonics 82 normally resulting in greater signal output. DVK is a correction to the gain, in order to simulate the amplitude generated from

DFX-8 Series Ultrasonic Flaw Detectors 83 Alternatively, press the LEFT and RIGHT arrow keys multiple times using the left button wheel. 2) Use the

Dakota Ultrasonics 84 Probe Frequency 1) Press the UP and DOWN arrow keys multiple times on the left button wheel until PROBE FREQUENCY is highlight

DFX-8 Series Ultrasonic Flaw Detectors 85 6) Press the OK key to set the ERS and return to the menu screen, or ESC to cancel entering the ERS. Attenua

DFX-8 Series Ultrasonic Flaw Detectors 5 >> End TCG DAC DGS SET DATA UTIL XFER TCG DAC DGS OPEN NEW AUTO FIND COPY SETUPS DRAW

Dakota Ultrasonics 86 1) Press the UP and DOWN arrow keys multiple times on the left button wheel until REFERENCE GAIN is highlighted, followed by

DFX-8 Series Ultrasonic Flaw Detectors 87 Note: The DGS curve uses 16 points to plot the curve. 4) Press the MENU key once to activate the menu items

88 CHAPTER ELEVEN ADDITIONAL FEATURES OF THE DFX-8 11.1 Pulse Width The DFX-8 has a square wave pulser with adjustable pulse width option. Pulse widt

DFX-8 Series Ultrasonic Flaw Detectors 89 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right a

Dakota Ultrasonics 90 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key mult

DFX-8 Series Ultrasonic Flaw Detectors 91 Selecting the Damping 1) Press the MENU key once to activate the menu items tab. Press the MENU key multi

Dakota Ultrasonics 92 adjusted/optimized, a clean narrow band ultrasonic wave produced, and exceptional output at a given voltage. Therefore, the out

DFX-8 Series Ultrasonic Flaw Detectors 93 4) Once the desired Pulser Voltage is displayed, press the MEAS key to return to the measurement screen. 1

Dakota Ultrasonics 94 3) Press the ENTER key to display the list of material types. 4) Press the UP and DOWN arrow keys multiple times on the left

DFX-8 Series Ultrasonic Flaw Detectors 95 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right