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DigiShot Plus CE4 Tagger Manual

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DigiShot
Plus CE4 Tagger
|
UTM-00330
|
Rev 5
®
SVN 34374B
|
2019
APPROVER:_________________________________________________
2019/01/17
APPROVED
Vinesh Naidoo
yyyy/mm/dd

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Summary of Contents for DigiShot Plus CE4 Tagger

  • Page 1 DigiShot Plus CE4 Tagger UTM-00330 Rev 5 ® SVN 34374B 2019 APPROVER:_________________________________________________ 2019/01/17 APPROVED Vinesh Naidoo yyyy/mm/dd...
  • Page 2 ..............................6 1.2.1. Requirements ..........................6 1.3..............................6 RAINING 1.4..............................6 NFORMATION 1.5..............................6 ISCLAIMER DIGISHOT PLUS CE4 TAGGER PRODUCT SAFETY ..........7 ® 2.1........................7 AFETY HILOSOPHY 2.2............................... 7 AFETY 2.3............................7 RODUCT AFETY 2.4.
  • Page 3 AGGER AVIGATION ® 3.3.1. CE4 Tagger Common User Interface Conventions ..............17 3.4....................18 YSTEMS OTIFICATION UICK INFO SCREEN DIGISHOT PLUS CE4 TAGGER ACCESSORIES ............19 ® 4.1.......................... 19 XTERNAL ATTERY 4.2......................... 20 EPLACEABLE ONNECTOR 4.3........................... 20...

  • Page 4: Table Of Contents

    10.3.2. Clear Tags ..........................73 10.3.3. Passwords ..........................74 10.3.4. Hole Load Mode ........................76 10.3.5. DigiShot Mode ........................... 77 10.3.6. Storage Mode ..........................78 10.3.7. Read All Det Data ........................79 10.3.8. Connecting to PC ........................80 TROUBLESHOOTING ....................81 11.1.
  • Page 5 UTM-00330 Rev 5 11.2.2. Test Single detonator ......................... 84 11.2.3. Test All/Test Row ........................84 11.3. B ........................86 ASIC CAUSES OF LEAKAGE 11.4. T ....................87 ROUBLESHOOTING DURING NSTALLATION 11.4.1. Binary Search ..........................87 11.4.2. High Leakage ..........................88 11.4.3.
  • Page 6 Rev 5 This manual details the operation of the DigiShot Plus CE4 Tagger. ® This manual is only to be used for the DigiShot Plus CE4 Tagger and the applicable ® software version as displayed. Only trained personnel, and personnel found competent, are allowed to operate the system.
  • Page 7 DETONATOR AND SHOULD NEVER BE CONNECTED TO DETONATORS WHILE BEING CHARGED DigiShot Plus CE4 Tagger equipment must be transported, stored, handled and used in conformity with all ® federal, state, provincial and local laws and regulations. Control equipment and accessories should be handled with due care and not dropped, mishandled, subjected to excessive vibration or exposed to any chemical agents.
  • Page 8 Batteries may leak or explode if incorrectly handled. CE4 Taggers have sealed batteries, only the external battery pack, which is an optional extra, has removable batteries. Only use batteries approved for use in the DigiShot UG Tagger. ® Do not expose the battery to an open flame or excessive heat.
  • Page 9 UTM-00330 Rev 5 WARNING, CAUTION, and NOTE statements are used throughout this manual to emphasise important and critical information. Observe these statements to ensure safety and to prevent product damage. The statements are defined as follows: WARNING MEANS THAT INJURY OR DEATH IS POSSIBLE IF THE INSTRUCTIONS ARE NOT OBEYED Warnings draw special attention to anything that could injure or kill the reader/user.
  • Page 10 UTM-00330 Rev 5 This equipment complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment. The antenna should be installed and operated with minimum distance of 20 cm between the radiator and your body. Antenna gain must be below 30 dBm This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
  • Page 11 UTM-00330 Rev 5 The DigiShot Plus CE4 Tagger is a lightweight device, which is powered by an internal rechargeable 3.7V ® Lithium Polymer cell and has a backlit screen and keypad. The keypad has numerical keys, 4 functional Soft Keys and various other command keys.
  • Page 12 UTM-00330 Rev 5 Harness wire terminals Pogo Pin Connector Blue Status LED White Charge LED Red Error LED LCD Screen Soft Keys Navigation keys (yellow arrows) Enter key Backspace key Escape key ON/OFF key Numerical keys USB connector Page 12 of 91 DetNet South Africa Copyright ©...
  • Page 13 UTM-00330 Rev 5 The Harness wire terminals are used to connect to the lead-in harness wires. The 2-Wire connector is used to connect a single DigiShot Plus detonator while testing and tagging holes. ® STATUS LED – A Blue circular LED which indicates successful tests or operations result status.
  • Page 14 Press and hold the FN key, and then press the ON key to switch the tagger OFF. To save battery power, the DigiShot Plus CE4 Tagger turns off automatically after a set period of idle ® operation. The auto power-off time can be adjusted.
  • Page 15 The DetNet Swirl shaped white LED will illuminate to indicate that the Tagger is charging. The DigiShot Plus CE4 Tagger contains an internal Real Time Clock (RTC), which is required for log keeping. ® The user should manually confirm/set the time-zone on the DigiShot Plus CE4 Tagger.
  • Page 16 Menu Title The Top Bar Shows the estimated battery capacity in quarters, the local time, DigiShot mode and the keyboard mode. It will also indicates when the device is charging, if the heater is on or if GPS is available.
  • Page 17 Fixed range numeric input may be scrolled if indicated by up/down arrows associated with the field: Pressing the Up key (2) increments the number, if possible. Pressing the Down key (8) decrements the number, if possible. Navigation follows the conventions of DigiShot to ease migration as detailed below: ®...
  • Page 18 UTM-00330 Rev 5 Only channels currently in use will be displayed and this function will not alter the operation of any other menus. A quick-access information screen is available in all menus. Press the “ ” key to view system notifications (If any) and quick info.
  • Page 19 UTM-00330 Rev 5 The External Battery Pack is an optional extra to increase the capacity of the internal battery when operating in sub-zero temperatures or other environments that demand extended operating times. The Internal Heater Pad can operate with the internal polymer battery, independently of the external battery pack, and will switch ON when the temperature drops below -15°C.
  • Page 20 ® detonator connectors are not polarity sensitive. The maximum length of surface harness, including the lead-in wire used to connect DigiShot detonators to the Blaster, shall not exceed 2500m. ® Exceeding these distances shall jeopardise the integrity by increasing the inherent resistance on the harness wire resulting in potential misfires.
  • Page 21 UTM-00330 Rev 5 The DigiShot Plus CE4 Tagger uses a rechargeable 3.7V Lithium Polymer cell. ® The Tagger battery compartment is sealed to prevent moisture ingression and condensation, which could cause corrosion and or short circuits within the tagger resulting in a possible malfunction or an unreliable Tagger.
  • Page 22 Rev 5 Once the battery has discharged to 9%, the tagger will display the following icon next to the clock indicating a low battery condition. The DigiShot Plus Tagger will automatically switch off when the battery capacity ® drops below 3%. (The CE4 Tagger will display a warning at 9% and switch OFF at 3%).
  • Page 23 7. Use the numerical keypad to enter the password. 8. Press to continue. To prevent unauthorised use, the DigiShot CE4 Tagger is assigned a default ® password by the manufacturer. The default password may be changed by the user and can be configured from the “Settings”...
  • Page 24 UTM-00330 Rev 5 9. Main Menu screen will be displayed. 10. Press and hold key and then press the key to power OFF the Tagger. N THE EVENT OF THE SOFTWARE NOT RESPONDING TO THE KEY IN COMBINATION WITH THE IT IS POSSIBLE TO FORCE THE TAGGER TO POWER OFF BY PRESSING AND HOLDING THE FOR AT LEAST SECONDS TO POWER...
  • Page 25 UTM-00330 Rev 5 This function enables the user to erase the existing detonator list in order to start a new blast. Before tagging a new installation, the memory must be cleared of the previous detonator list to avoid conflicts with the new detonator list.
  • Page 26 UTM-00330 Rev 5 This function enables the user to assign a position to one detonator at a time. The position is either a combination of a side (left/right), a row number (1-63), a hole number (1-127) and detonator number in a decked hole (1-15) OR a Special – an out-of pattern detonator (1-255). 1.
  • Page 27 UTM-00330 Rev 5 This screen will only be displayed if the option to tag on one side only was selected. 5. Tag Detonators Use the numerical keypad to enter number of detonators used in each hole. Press to confirm. Maximum of 15 detonators per hole. Page 27 of 91 DetNet South Africa Copyright ©...
  • Page 28 UTM-00330 Rev 5 Left / Right Mode - This function enables the user to select the side being tagged based on the blast plan. Select Soft Key to toggle between Left and Right side. The Tagger will display the selected side. This screen will only be displayed if the option to tag on both sides was selected.
  • Page 29 UTM-00330 Rev 5 Tagging Mode - When A is displayed Auto tagging mode is active. Pressing the Soft Key again will toggle the mode to manual mode indicated by Ax. Special detonators - Press the Pattern Soft Key to toggle between IN- and OUT-of-pattern holes to add...
  • Page 30 UTM-00330 Rev 5 Maximum Dets per Hole The maximum dets per hole setting is requested when the user enters the tagging menu but can also be changed while in the tagging menu. Press and hold the key while pressing the ’...
  • Page 31 UTM-00330 Rev 5 This function enables the user to select the side being tagged based on the blast plan. The location of the Initiation Point is determined and the blast divided according to a left-right convention or single side convention. Free Face Initiation Point (IP) LEFT side...
  • Page 32 Ensure the correct hole number is being allocated when tagging, as it will change the location of the DigiShot Plus detonator in relation to the Blast Plan. ® Do not remove the DigiShot Plus detonator from the Tagger until the LABELLED OK ® message appears, to ensure that the detonator is correctly tagged.
  • Page 33 UTM-00330 Rev 5 In a blast plan that allows for multiple rows, row allocation refers to the particular row that a DigiShot Plus ® detonator is located in. Free Face Row 1 Row 2 Row 3 Row 4 LEFT side RIGHT side Rows can be tagged in any order.
  • Page 34 UTM-00330 Rev 5 In a blast plan each hole is allocated a position number in each row. Hole allocation refers to the particular hole a DigiShot Plus detonator is located in. ® All holes should be tagged in order to ensure detonators are not excluded during the tagging process.
  • Page 35 This option enables the user to perform multiple deck blasting where more than one detonator is allocated per hole. In a blast plan a hole can be set up for decking up to a maximum of 15 DigiShot Plus detonators per hole.
  • Page 36 UTM-00330 Rev 5 This function enables the user to auto increment and decrement hole numbering while tagging i.e. after a hole is completed, the location hole number will increment or decrement automatically as selected in anticipation of the next hole to be tagged. Manual mode enables the user to manually increment and decrement the hole numbering for each hole.
  • Page 37 LED will illuminate. Continue to next detonator by adjusting the position using the navigation keys as desired. This function enables the user to Autotag detonators by connecting the DigiShot Plus ® CE4 Tagger to one end of the Harness wire and untagged detonators are connected one at a time.
  • Page 38 UTM-00330 Rev 5 This function enables the user to test the integrity of a string of DigiShot Plus detonators that have been ® tagged. The Tagger will test DigiShot Plus detonators connected on the Harness wire that correspond with ®...
  • Page 39 UTM-00330 Rev 5 4. Test all detonators against the list Failed detonators will be displayed Total amount of detonators will be displayed Press Soft Key to continuously repeat test. Press Soft Key to stop continuously repeating test The information bar at the bottom of the Tagger screen displays the CURRENT state i.e.
  • Page 40 UTM-00330 Rev 5 This function enables the user to test the integrity of one or more rows, of DigiShot Plus detonators that have ® been tagged. The Tagger will only test detonators connected on the Harness wire that correspond with tagged detonators in the Detonator list.
  • Page 41 UTM-00330 Rev 5 Side selection Side selection option is available only if multiple sides are present on the particular row. to toggle between Test left only, Test right only or Test both sides Press Soft Key to save Press to continue. Test Row Test all detonators in the row.
  • Page 42 UTM-00330 Rev 5 This function enables the user to test an individual DigiShot Plus detonator. ® 1. Main Menu Press to select Test Menu. 2. Test Menu Ensure that the detonator is connected to the Tagger Pogo Pin connector. Press to select Test Single Det.
  • Page 43 Autosearch does not erase the locations tagged to each DigiShot Plus detonator, ® only the Detonator List stored on the DigiShot Plus CE4 Tagger. When using ® Autosearch a Tagger will only detect and store a maximum of 450 DigiShot Plus ® detonators per channel. 3. Warning Press to accept the warning and start the Autosearch function 4.
  • Page 44 UTM-00330 Rev 5 Use numerical keys to enter the Start row number on which to start the search. Press to continue. Use numerical keys to enter the Last row number on which the search will end. Press to continue. Use numerical keys to enter maximum detonators per hole to search for. Press to continue.
  • Page 45 These parameters are adjustable in the autosearch limits section. Refer to Autosearch Limits section found under the DigiShot Setup menu for detailed information. Autosearch will not search outside the specified parameters. Detonators connected outside the specified parameters will not be found or added to the detonator list.
  • Page 46 UTM-00330 Rev 5 This function enables the user to perform a current measurement and a leakage measurement test. High leakage levels can result in potential misfires of the DigiShot Plus detonators. ® Refer to the scalability chart contained in UTM-00329 - Additional System Information for detailed information.
  • Page 47 UTM-00330 Rev 5 This function enables the user to test for Untagged Detonators connected to the harness wire. These are DigiShot Plus detonators that have not been assigned a location and are connected to the harness ® wire. While performing an untagged test, a leakage test is also included. This function may be used to repeatedly perform the test, thus assisting to diagnose problems while connecting detonators to the harness wire.
  • Page 48 UTM-00330 Rev 5 This function enables the user to search for connected DigiShot Plus detonators and to compare the results ® of the search against the stored Detonator List. It performs the same steps as an Autosearch except for the following: Check Pattern does not overwrite the Detonator List.

  • Page 49: Check Pattern

    UTM-00330 Rev 5 4. Untagged detonator found The Tagger automatically stops when an untagged detonator is located. Press to continue. 5. Check Pattern Check pattern will search from the first row specified to the last row specified and the maximum number of special detonators in the list or as found taking bad holes/detonators into account.

  • Page 50: List Detonators

    UTM-00330 Rev 5 Filter Mode Press Soft Key to toggle between: • List Detonators • List New Detonators • List Missing Detonators • List Bad Status Detonators Next / Previous Page Mode This function enables the user to scroll to the next or previous page. Press the Soft Key to scroll to the next and the Soft Key to scroll to the previous page.
  • Page 51 UTM-00330 Rev 5 View Row List When in the View Row List, this function enables the user to scroll to the next or previous row. • Press the 6 Key to scroll to the next Row. • Press the 4 Key to scroll to the previous Row. •...
  • Page 52 UTM-00330 Rev 5 The list will indicate both detonators that existed in the original list and any new detonators that may have been found. The list also includes any missing detonators. 1. Main Menu Press to select View Design 2. View Design Menu Press to select List Detonators 3.
  • Page 53 UTM-00330 Rev 5 This screen lists the DigiShot Plus detonators that were not found during the Check pattern test (or test all). ® 1. Main Menu Press to select View Design 2. View Design Menu Press to select List Missing Dets 3.
  • Page 54 UTM-00330 Rev 5 This screen lists the DigiShot Plus detonators that were found during the test and did not exist in the stored ® detonator list before the test. Check Pattern does not overwrite the detonator list. 1. Main Menu...

  • Page 55: List Bad Status

    UTM-00330 Rev 5 This screen lists the DigiShot Plus detonators that were found to be bad during the check pattern test. (A ® bad status indicates the detonator may have a bad fuse or other internal problem). This List does NOT include untagged detonators.

  • Page 56: Blast Summary

    UTM-00330 Rev 5 The Blast Summary function enables the user to view a summary of the number of holes and detonators on each side on a per row basis. 1. Main Menu Press to select View Design 2. View Design Menu Press to select Blast Summary 3.

  • Page 57: Det Totals

    UTM-00330 Rev 5 The list will indicate both detonators that existed in the original list and any new detonators that may have been found. The list also includes any missing detonators. 1. Main Menu Press to select View Design 2. View Design Menu Press to select Det Totals 3.
  • Page 58 UTM-00330 Rev 5 This function enables the user to view battery charge information, current consumption, State-of-health of the battery, temperature information, hardware and software serial numbers, GPS detail and User ID. Main Menu Press Soft Key to view System Info System Info - Battery 100%: Battery charge information (The charging source will be displayed as either USB when a USB...
  • Page 59 UTM-00330 Rev 5 5. System Info –GPS Detail Press to select page right. The GPS location will be displayed. Altitude and the number of satellites found will also be displayed. System Info –User ID Press to select page right. Press to enter or edit User ID Use alphanumeric characters to enter a User ID.
  • Page 60 This function enables the user to set the Autosearch limits, thereby ensuring the Autosearch function will search beyond (or up to) the stipulated bad or missing holes or detonators. 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select DigiShot Setup ® 3. DigiShot Setup ® Press to select Autosearch Limits 4.
  • Page 61 When the Autotag function is disabled, the Autotag Soft-key display will be greyed out in the Tagging screen. 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select DigiShot Setup ® 3. DigiShot Setup ® Press to select Autotag 4.
  • Page 62 The information bar displays side, leakage and the signal strength of the detonator reply. The information bar is turned OFF by default. 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select DigiShot Setup ® 3. DigiShot Setup ® Press to select Extra Info Bar 4.
  • Page 63 When Halt on test setting is activated, the user will have to acknowledge each error individually. The Halt on test function is turned OFF by default. 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select DigiShot Setup ® 3. DigiShot Setup ® Press to select Halt on test 4.
  • Page 64 6 channels. User will not be prompted to enter channels when this option is disabled. 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select DigiShot Setup ® 3. DigiShot Setup ® Press to select Multiple Channel 5.
  • Page 65 The Select Channel function will only be available when the Multiple Channel function is enabled. 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select DigiShot Setup 3. DigiShot Setup ® Press to select the Select Channel setup Select Channel...

  • Page 66: Use Starter Dets

    This function supports the use of NetShock / DriftShot Starter detonators, which will allow the user to interface to Shocktube / Nonel. To enable this function the user must select ‘Use Starter dets’ in the DigiShot Setup menu shown below.

  • Page 67: Device Setup

    UTM-00330 Rev 5 This function enables the user to adjust the LCD screen contrast 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select Device Setup 3. Device Setup Press to select Contrast 4. Contrast Use the arrow key to adjust contrast.
  • Page 68 UTM-00330 Rev 5 This function enables the user to adjust the LCD screen brightness 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select Device Setup 3. Device Setup Press to select Brightness 4. Adjusting the Brightness Use the arrow key to adjust brightness.

  • Page 69: Time Zone

    UTM-00330 Rev 5 This function enables the user to define the time zone. Date/time settings are controlled by GPS GMT time data but since the time zone cannot be configured automatically, it should always be set by the user in order to ensure the correct local time display.
  • Page 70 UTM-00330 Rev 5 This function enables the user to set a time-period of inactivity before the Tagger will automatically power off to conserve battery power. The user can set the idle time between 2 and 120 minutes. 1. Main Menu Press to select Configuration 2.

  • Page 71: Language

    UTM-00330 Rev 5 This function enables the user to select a language preference for the DigiShot Plus Tagger menus. ® 1. Main Menu Press to select Configuration 2. Configuration Menu Press to select Device Setup 3. Device Setup Press to select Language 4.

  • Page 72: Advanced Setup

    UTM-00330 Rev 5 The Advanced Setup menu is password protected. This function enables the user to set a unique Tagger ID. The Tagger ID should be unique amongst all Taggers at a site. The current tagger ID is displayed on the right side of the top bar on the screen (#1 in the screen depicted below).

  • Page 73: Clear Tags

    UTM-00330 Rev 5 This function enables the user to clear the detonator memory and remove the tag that was assigned. Connect the harness wire to the Harness wire terminals of the Tagger. The detonators should remain connected to the Harness wire. Main Menu Press to select Configuration Settings.

  • Page 74: Passwords

    This function enables the user to change the default password by assigning a new unique password that is known only to the user. The DigiShot Plus CE4 Tagger is protected from unauthorised use by assigning a password. ® Main Menu Press to select Configuration Settings.
  • Page 75 UTM-00330 Rev 5 Passwords Use the numerical keypad to enter New Password. Press to confirm. Passwords Information message confirming password changed will be displayed briefly. Tagger will display Password Screen. Press to return to Advanced Menu. Press Soft Key to return to Main Menu. Page 75 of 91 DetNet South Africa Copyright ©...

  • Page 76: Hole Load Mode

    UTM-00330 Rev 5 1. Main Menu Press to select Configuration Settings. Configuration Settings Menu Press to select Advanced Setup. Use numerical keypad to enter Unique Tagger Password. Press ENTER to continue. Advanced Setup Press to select Hole Load Mode Hole Load Mode Press to toggle between Load per hole and Load per deck...

  • Page 77: Digishot Mode

    Press ENTER to continue. Advanced Setup Press to select DigiShot Mode 4. DigiShot Mode Press to toggle between DigiShot Mode and DigiShot Plus Mode. Press Soft Key to save. Press Soft Key to return to Main Menu. Page 77 of 91...

  • Page 78: Storage Mode

    UTM-00330 Rev 5 The Tagger storage process is to be followed when the Tagger will be stored for an extended period. It is recommend that the Tagger be charged to 50% when placed into storage, and thereafter the unit should be charged at least every three months to 50%, to maintain the expected lifetime of the battery.

  • Page 79: Read All Det Data

    UTM-00330 Rev 5 The Read All Det Data function enables the user to dump 4G det data to logs. 1. Main Menu Press to select Configuration Settings. Configuration Settings Menu Press to select Advanced Setup. Use numerical keypad to enter Unique Tagger Password.
  • Page 80 UTM-00330 Rev 5 Additional software may be required from the manufacturer to support this feature. USB cable or Wi-Fi must be connected, and the PC software must be configured and activated before this function can be used. USB and WiFi Link with PC This function enables the Tagger to communicate via USB or WiFi to a PC.
  • Page 81 UTM-00330 Rev 5 Ensure DigiShot Plus detonator connector is pushed down properly on the Pogo pin ® connector before tagging detonators. first step in the tagging process, regardless of the mode (AUTO-TAG or SINGLE) is measuring of leakage. Should the leakage be greater than 0.50mA, a leakage warning will be displayed.
  • Page 82 UTM-00330 Rev 5 d. “Det connection issues” – Only a partial det reply was detected, det connection could be bad. e. “User aborted”. User aborted when a warning message was displayed. Retag det? The detonator is already tagged. Tagger vibrates to inform the user of an error condition. Press to retag with the new location or ESC to abort tagging.

  • Page 83: Labelled Ok

    UTM-00330 Rev 5 Bad Status The detonator about to be tagged tested with a bad status. Bad status indicates the detonator may have a bad fuse or other internal problems. Tagger vibrates to inform the user of an error condition. It is recommended that the “Bad status”...
  • Page 84 UTM-00330 Rev 5 The Untagged Test connects to the factory ‘untagged ID’ and measures the response level. Theoretical and practical considerations should be applied to choosing an appropriate level when considering factors such as lead-in resistance, the effect of multiple detonator talkback and capacitive damping effects that weaken the modulated reply signal from the detonator.
  • Page 85 UTM-00330 Rev 5 Bad Status Dets Detonators in the design has tested with a bad status. Bad status indicates the detonator may have a bad fuse or other internal problems. Replace the detonator to avoid a possible misfire. Failures may be the result of cable damage, connector or other problems. Page 85 of 91 DetNet South Africa Copyright ©...
  • Page 86 It is advisable to raise the connectors off the ground, or at least away from standing water, if the ground conditions are very wet. DigiShot Plus detonator down hole wire – holes not correctly de-sludged, rubbing of down hole line ®...
  • Page 87 Plus detonators may be disconnected from the surface harness and tested one at a time ® using the TEST SINGLE DETONATOR facility to locate the untagged detonator. 7. Once the untagged detonator is found, tag the DigiShot Plus detonator according to blast plan and ®...
  • Page 88 Plus Tagger. ® 1. Divide the blast in half and cut the surface harness at mid-point. 2. Connect the DigiShot Plus Tagger and check back half for leakage. Should the DigiShot Plus ® ® Tagger display high leakage it indicates a fault present.
  • Page 89 Connect DigiShot Plus Tagger and check front half of the installation for leakage, Tagger displays satisfactory ® leakage. Reconnect the break in the surface wire / bus and retest surface harness, DigiShot Plus Tagger displays high ® leakage indicating fault present.
  • Page 90 The DigiShot Plus Tagger should never be exposed to direct sunlight for long periods. ® Battery life is influenced by the conditions in which the DigiShot Plus Tagger operates. ® Lower temperatures can dramatically reduce the capacity of the battery.
  • Page 91 Should the LCD screen break, care should be taken to avoid injury from broken glass and to prevent liquid crystal from the screen touching the skin or entering the eyes and mouth. High leakage levels can result in misfires of the DigiShot Plus detonators. Refer to ®...

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