3M Boating Equipment 1420 iD User Manual

3MDynatel™  
Electronic Marking System  
Marker Locator 1420-iD  
Operator’s Manual  
1420-iD Marker Locator  
1420E-iD Marker Locator  
March 2014  
78-8130-6741-6 Rev G  
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Congratulations! You have just purchased one of the finest, most advanced Electronic  
Marker locating devices available today!  
The 3MDynatelMarker Locators 1420-iD and 1420E-iD are designed with all of the  
functionality of previous Dynatel models, with the enhanced capability to read from,  
and write user information into, 3M iD Markers. Information such as a pre-programmed  
unique identification number, facility data, application type, placement date and other  
details can all be read, stored and downloaded to your PC for enhanced resource  
management with this revolutionary equipment. The Dynatel Marker Locators 1420-iD  
and 1420E-iD will also search for two different types of utility markers simultaneously.  
When used in conjunction with a hand-held GPS device, the ability to transmit path and  
marker coordinates multiplies the potential to the mapping industry. This equipment  
provides a simple system for mapping utility information directly into CAD and GIS  
systems.  
3M is dedicated to bringing you premium equipment with outstanding reliability, backed  
by one of the best warranties in the business and outstanding service.  
Visit our website at http://www.3M.com/dynatel for more application notes and product  
information.  
Statement of Conformity  
"Hereby, 3M Company declares that this Underground Locating Product is incompliance  
with the essential requirements and other relevant provisions of Directive 1999/5/EC."  
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1. Safety Information  
Please read, understand and follow all safety information contained in these instructions  
prior to the use of the 3M 1420-iD and 1420E-iD Marker Locator. Retain these  
instructions for future reference.  
A. Intended Use  
The 3MDynatel1420-iD and 1420E-iD Electronic Marker Locators are designed and  
tested for use in locating 3M buried markers. 3M markers are used to identify buried  
utilities and structures. The system must be installed as specified in the 3M Electronic  
Marker System 1420-iD Locator Operator's Manual. They have not been evaluated for  
other uses or locations. If this equipment is used in a manner not specied by 3M, the  
protections provided by the equipment may be impaired.  
Explanation of Signal Word Consequences  
Indicates hazardous situation which if not avoided, could result in  
death or serious injury.  
!Warning:  
Indicates hazardous situation which if not avoided, could result in  
minor or moderate injury.  
!Caution:  
Explanation of Product Safety Label Symbols  
Do not throw away in normal trash.  
Warning: Risk of electric shock  
F
It is unlawful to operate this unit in any country with a configuration setting that is not specific  
to that country. In order to prevent the user from operating this unit with a configuration setting  
that is not specific to the country where it is operated, this unit is equipped with configuration  
software for installing country specific configurations. Please refer to the initial configuration  
setup sheet.  
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2. Quick Start  
A. Locator Battery Installation  
8 'AA' (LR 6) size  
Alkaline Batteries  
1. Twist cap to open battery compartment.  
2. Slide battery compartment out of handle.  
! Caution  
To reduce the risks associated with fire and explosion:  
Do not short, excessively heat, or dispose of batteries in fire.  
Install batteries with proper polarity.  
Use only Alkaline "AA" (LR 6) sized batteries.  
Do not charge batteries.  
Do not use leaking batteries.  
To reduce the risks associated with environmental contamination:  
Dispose of batteries and electronic components in accordance with all regulations.  
Ensure batteries are installed with correct polarity.  
Always remove batteries when storing the units for long periods of time.  
The locator batteries are tested for two seconds every time the unit is turned on.  
The Bar Graph [11] on the display screen will fill to the relative battery level.  
The Battery Icon [8] on the Locate Screen will continuously indicate the battery level.  
B. Cleaning the Locator Unit  
To clean the locator unit, wipe with a damp cloth.  
C. Service and Accessories  
Information regarding service, accessories, or replacement parts can be obtained by  
contacting 3M at 1-800-426-8688 in the U.S., or by contacting your local 3M Sales  
Office or 3M Sales Representative outside of the U.S.  
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D. 1420-iD Locator Keypad and Display Definitions  
2A  
13  
8
10  
14  
11  
3
15  
12  
7
9
1
6
Access panel on  
bottom side of loca-  
tor under rubber  
cover  
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2
4
[1] On/Off (Power): Turns unit on and off.  
[2] Speaker Volume Control: [2] Adjusts the volume of the locator (off, low, medium,  
and high).  
[2A] Speaker Volume Icon: Indicates the relative volume level of the locator.  
[3] Contrast: The arrows located above and below the contrast icon will adjust the  
contrast of the display.  
[4] Gain Adjust: Adjusts the sensitivity of the locator either up or down to maintain a  
satisfactory signal level.  
[5] Locate/OK: Sets the locator to trace mode for locating markers. Also acknowledges  
setup entries (OK).  
[6] Menu: Displays setup screen for configuration of the unit, i.e.: clock, language,  
depth units, and marker data.  
[7] Backlight: Toggles the backlight low, high, and off.  
[8] Battery Icon: Indicates battery level.  
[SK] Soft Keys: There are four soft keys (yellow keys) on the locator. The function  
of each key is shown above the key on the display screen. The functions will change,  
depending on the operation mode of the locator. For instruction purposes in this manual,  
the display command is followed by [SK] to identify it as a soft key.  
[9] Soft Key Commands: Definitions for each of the four soft key functions.  
[10] Signal Strength: Digital reading of the signal strength that the locator is detecting  
from the marker.  
[11] Bar Graph: Graphical representation of the received signal.  
[12] Gain Level: Displays relative gain level.  
[13] External Jack: Not active on this model.  
[l4] Serial Port: RS232 port to connect the locator to a PC via serial cable or USB-to-  
Serial Adapter cable.  
[15] Earphone Jack: Will fit standard 1/8 inch (3.175 mm) mini-jack mono earphone  
plug (not included).  
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3. Menu Displays  
A. Main Menu  
When the Menu [6] button is pressed, the Main Menu display appears.  
The function appears on the display above each soft key.  
1. Write Mode: System used to write information to iD Markers  
2. Data/Template: Displays marker history and  
template creation/selection displays:  
a. Read History – 100 memory locations for  
Read iD Markers  
b. Write History – 100 memory locations for  
Written iD Markers  
c. User Templates – Create and edit iD  
templates for iD Markers (max = 32)  
d. Exit – Returns to prior menu.  
3. COM Setup: Displays second level COM  
Port setting display to configure RS232 port  
communication with different devices –  
a. PC – Locator will communicate to a  
computer  
b. NMEA – Port is configured to accept  
coordinates from GPS device  
c. GIS – Port is configured to send iD marker  
information or path information to GPS  
device and receive coordinates from GPS  
device.  
d. PDA – Locator will send iD marker and path  
information in ASCII string.  
4. >>More: Advances to next menu display  
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5. <<Back: Returns to previous menu display  
6. Setup: Displays second and third level displays  
for locator configuration  
a. Depth Units – Choose unit of measure; in,  
ft-in, or cm  
b. Clock – Date and time stamped on marker  
information and depth readings.  
c. Language – Toggles between English and  
alternate language  
d. >>More - Advances to next menu display  
e. <<Back - Returns to previous display  
f. Marker Type – enable and disable marker  
utility types  
7. Self Test: Displays information about locator  
unit and performs a self check test  
8. Help: Offers the user basic on-screen  
instructions  
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4. Locating 3MElectronic Markers and 3MiD  
Markers  
A. E-Model Initial Configuration (Applies only to 1420E model.)  
Attention: All E-Model (Export) iD Locators must run the initial configuration setup  
found in the 3MDynatelLocator PC Tools software. The 3M™ Dynatel™ PC  
section; 2550/2573/2250M/2273M/1420 Locator PC Tools xx.x.x (EXE xx.xMB).  
Note: U-Model Locators ship with all marker types enabled (). U-model users can  
skip Section B.  
B. Activating the Marker Locate Feature (E-Model Only)  
In order to enable the electronic marker location feature of this locator, you must identify  
the country in which the locator will be used. This initial configuration is required for  
the 1420E locator models only.  
Some countries do not allow all marker operating frequencies. Therefore, the E-model  
locators are shipped with all the marker types/frequencies disabled.  
! WARNING  
It is unlawful to operate this unit in any country with a configuration setting that is not specific  
to that country. In order to prevent the user from operating this unit with a configuration setting  
that is not specific to the country where it is operated, this unit is equipped with configuration  
software for installing country specific configurations.  
Step 1. Download the 3M™ Dynatel™ Locator PC Tools software from www.3M.  
com/dynatel and install it on your computer. The 3M™ Dynatel™ PC Tools  
section; 2550/2573/2250M/2273M/1420 Locator PC Tools xx.x.x (EXE  
xx.xMB).  
Step 2. Close any programs that may be using the COM ports.  
Step 3. Start the software program; Dynatel PC Tool kit  
Step 4. Connect the locator to the PC via the provided RS232 serial cable or RS232-to-  
USB Adapter cable.  
Step 5. Power the locator on.  
Step 6. From the main screen, select the country in which the unit will be operating. (If  
the country is not listed, select ‘All other countries’.)  
Step 7. A communication window will appear. (Baud rate 38400 / Com Port x; select  
PC COM Port that is connected to the locator.)  
Step 8. Click OK .  
Step 9. Click Initial Configuration .  
Step 10. Click Download .  
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Step 11. The prompt line will display: Download Completed Successfully, when  
finished. The marker types legally allowed in the country selected in Step 6  
above will be activated at this time.  
Step 12. Multiple units may be configured at this point by simply connecting the next  
locator, powering it on, and clicking Download.  
Step 13. Click Exit when all locators have been updated.  
C. Enabling/Disabling Marker Types  
Menu [6] + >>More [SK:4] + Setup [SK:6] + >>More [SK:6d] + Marker Type [SK:6f]  
Note: U-Model Locators will default with all marker types enabled ()  
Step 1. Press the up/down arrows [SK] to highlight  
a utility to enable or disable.  
Step 2. Press Enabl/Disabl [SK].  
− Only the markers that are enabled (✓)  
will be available in the locate mode.  
Step 3. Press Locate/OK [5] to save settings or Exit  
[SK] to cancel.  
D. Single Marker Locate  
Step 1. Press Locate/OK [5]  
Step 2. Press Marker [SK]  
Step 3. Press Markr 1 [SK Toggle] to select  
desired utility.  
Step 4. Markr 2 should be OFF.  
Note: Only the marker types enabled in the setup  
menu will be shown. (See 4.C. Enabling/Disabling  
Marker types). When scanning for markers, the  
Gain Level [12] should be set high.  
When a marker is detected, adjust the  
Gain [4] down until the bar graph opens.  
The bar graph will close, the audio will  
be steady, and the Signal Strength [10]  
will be maximum when the locator  
detects a marker of the specified utility  
and has pinpointed its location..  
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E. Dual Marker Locate  
Step 1. Press Locate/OK [5].  
Step 2. Press Marker [SK].  
Step 3. Press MARKR 1 [SK Toggle] to select  
desired Utility.  
Step 4. Press MARKR 2 [SK Toggle] to select  
desired Utility.  
Note: Only the marker types enabled in the setup menu will be shown. (See 4.C.  
Enabling/Disabling Marker types). When scanning for markers, the Gain Level [12]  
should be set high.  
The third and fourth soft key commands will populate with the types of  
utilities selected for Marker 1 and Marker 2.  
Step 5. Adjust the Gain [4] down until the bar graphs open.  
The bar graph will close, the audio will increase, and the Signal Strength  
[10] will be maximum when the locator detects a marker of the specified  
utility.  
When one of the two markers is detected, press the “XXX Only” [SK] for  
the detected utility marker. (“XXX” represents the marker types selected. In  
the above example, PWR Only and TEL Only.)  
The unit will switch to Single Marker Locate in order to pinpoint the  
marker.  
Step 6. Press Markr 2 [SK Toggle] to return to Dual Marker Locate.  
F. iD Marker Depth  
Step 1. Lower the tip of the locator to the ground over the targeted marker.  
Step 2. Press Depth [SK].  
The locator will examine the marker  
(Calculating, please wait...)  
If the marker is a 3MiD Marker, the  
locator will display the depth of the  
marker, and its identification (serial)  
number.  
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Step 3. To save the depth reading, press Mem  
Select [SK].  
Five depth readings can be saved with  
the time, date, and its identification  
number.  
Save [SK] will place each entry in  
sequential order in memory (M1 - M5)  
until five readings have been stored.  
The unit will overwrite saved entries  
in excess of five, beginning with M1.  
Step 4. Optional: Press Clear All [SK] to delete all stored depth information.  
Step 5. Press Mem Select [SK] to select a specific memory location to store the depth  
readings. When the preferred location appears on the screen, press Save [SK].  
The display and memory location will populate with the current information.  
Step 6. Each memory location can be reviewed by pressing Mem Select [SK].  
Step 7. Press Locate/OK [5] to return to Marker Locate Mode.  
G. Passive Electronic Marker (Non-iD) Depth  
Step 1. Lower the tip of the locator to the ground over the targeted marker.  
Step 2. Press Depth [SK].  
The locator will examine the targeted marker.  
The display will instruct the operator to raise the unit 6 inches (15.2 cm)  
from the ground.  
Note: This 6-inch (15.2 cm) rise must be exact for the depth reading to be accurate.  
A suggestion is to utilize a 15.2 cm (6 inch) piece of plastic pipe or wood as a spacer  
between the ground and the tip of the receiver for this precise measurement.  
Step 3. Raise the unit 6 inches (15.2 cm). Press  
Depth [SK] key again. The estimated depth  
of the marker from ground level will be  
displayed.  
Five depth readings can be saved with  
the time and date.  
Step 4. To access the memory locations, press Mem  
Select [SK].  
Save [SK] will place each entry in  
sequential order in memory (M1–M5)  
until five readings have been stored.  
The unit will overwrite saved entries in  
excess of five, beginning with M1.  
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Step 5. Optional: Press Clear All [SK] to delete all stored depth information.  
Step 6. Press Mem Select [SK] to select a specific memory location to store the depth  
readings. When the preferred location appears on the display, press Save [SK].  
The display and memory location will populate with the current information.  
Step 7. Each memory location can be reviewed by pressing Mem Select [SK Toggle].  
Step 8. Press Locate/OK [5] to return to Marker Locate Mode.  
5. Creating/Editing Templates for 3MiD Markers  
In the User Template screen, the operator can create and modify templates for writing  
to iD markers. Note that the easiest way to create user templates is by using the 3M™  
Dynatel™ PC Tool Kit software on a PC and then downloading them to a locator via the  
RS232 Serial Port [14] on the receiver and the provided RS232 cable or RS232-to-USB  
adapter cable. The 3M™ Dynatel™ PC Tool Kit software is available free of charge  
Locator PC Tools xx.x.x (EXE xx.xMB).  
A. Creating New Templates  
Menu [6] + Data/Templat [SK:2] + User Templat [SK:2c]  
Step 1. Select Create New by pressing the up/down  
arrows [SK].  
Step 2. Press View/Edit [SK].  
Step 3. Name the template.  
Step 4. Press Modify [SK] to manually enter the  
name of the template.  
Step 5. Select UserEdit.  
Step 6. Press Locate/OK [5]  
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Step 7. Move the boxed cursor by pressing the left/  
right arrows [SK] or up/down arrow [SK] to  
move the cursor up or down.  
Step 8. Press Select [SK] to enter the alphanumeric  
character.  
Entry will appear at the top of the screen.  
Step 9. Press Locate/OK [5] when the entries are  
complete and to save the entries, or press  
Exit [SK] to cancel entries. Pressing Locate/  
OK [5], or Exit [SK], will return to the  
template display.  
Note: To clear the previous field entry, select  
the ‘back arrow’ with the cursor and delete the  
previous entry.  
Step 10. Navigate through the fields by pressing the  
left/right arrows [SK].  
Step 11. Press Modify [SK] to populate the  
highlighted field.  
Step 12. When modifying the Labels (left hand side  
of template information) there are three  
options for editing that are presented:  
b. UserEdit  
c. Choosing one of the common  
(compressed) terms from the available  
list of terms.  
d. Del Row (delete row)  
Step 13. When modifying the Descriptions (right  
hand side of template information) there are  
four options for editing that are presented:  
e. UserEdit  
f. Delete Row  
g. Last 10 UserEdits  
h. Show All - lists common compressed  
terms  
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Step 14. Populate as many fields as possible from  
the drop-down list of common (compressed)  
terms available to conserve marker memory  
space, or choose UserEdit if a term is not  
found to meet the user's requirements. Select  
term by pressing the up/down arrows [SK]  
and press Locate/OK [5].  
Step 15. Navigate to the next field by pressing the  
left/right arrow [SK].  
Step 16. Press Modify [SK] to populate the  
highlighted field.  
Step 17. Populate additional fields, as needed,  
using the above procedure steps 15 and 16.  
Templates are limited to six Label and six  
Description fields (256 bits of data total).  
Step 18. When the template is complete, save the  
template by pressing Locate/OK [5].  
B. Editing Templates  
The operator can select an existing template and  
make changes to it in the same manner described in  
5.A. Creating New Templates. The following save  
screen will appear.  
Over Write: Saves all modifications that have been made to the original template.  
Rename: Overwrites the old template with the new name and all modifications. Display  
will return to the template name field. Modify the name of the template and press  
Locate/OK [5] to save.  
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Save New: Creates a new template containing all information. Original template remains  
unchanged. Display will return to the template name field. Modify the name of the  
template and press Locate/OK [5] to save.  
Cancel: Clears all modifications made to any unsaved template.  
6. Writing 3MiD Markers  
The Write Mode enables the user to write information into 3MiD markers. It is also  
possible to edit the information to be written into an iD Marker.  
Menu [6] + Write Mode [SK:1]  
Step 1. Select a template from the list on the display  
to be written into the marker by pressing  
the up/down arrows [SK] to highlight the  
preferred template. ‘Last Written /Read’ is  
the most recent data that was written to/read  
from a marker by the locator.  
Step 2. Press View/Edit [SK].  
Four Write Mode options will be  
displayed at the bottom of the screen.  
[SK1] Overwrite: Will overwrite any  
data existing on an unlocked marker if  
`Yes' is selected and `No' will prevent  
overwrite.  
[SK2] X-Type: Choose `Yes' if writing to  
a Gen 2 marker and `No' if writing to a  
Gen 1 marker. Gen 2 markers will have  
an "X" following the serial number that  
is printed on the attached tag.  
SK3] Marker: Select type of marker to  
be written by repeatedly pressing Marker  
[SK Toggle].  
[[SK4] Lock/Unlocked: Press [SK4] to  
toggle between locking and unlocking  
the marker. The default setting is  
unlocked and note that a locked unit  
cannot be modified once locked. If the  
marker will be locked then a verification  
screen will appear to ensure that the  
marker is locked intentionally.  
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Step 3. Press Menu/OK  
The selected template will be displayed.  
The arrow on the right side of the  
display indicates there is more  
information than can be displayed on  
the screen (scroll down by pressing the  
down arrow [SK]).  
Step 4. Enter user information that will be written  
to this marker. (See 15.A Modifying Marker  
Data to be Written)  
Step 5. Verify that all information is correct  
Step 6. Hold the locator directly over the top of the  
marker. The locator should be within the  
following maximum writing ranges for each  
of the different iD Marker formats;  
Near Surface iD Marker = 6 in (15 cm)  
maximum  
Ball iD Marker = 12 in (30 cm)  
maximum  
Full Range iD Marker = 24 in (61 cm)  
maximum  
Step 7. Press Start Write [SK].  
Step 8. After writing to the iD Marker is completed,  
the following screen will be displayed.  
The following messages may appear in the writing  
process.  
Message 1. If the overwrite option was  
set to "No" And there was data present  
on the target market then the following  
screen will be displayed;  
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Message 2. When writing to a passive  
marker or the wrong frequency then the  
following will be displayed.  
Message 3. This screen indicates that  
X-Type marker option was incorrectly  
set to "Yes" or "No". Verify the serial  
number that is displayed on the marker  
ends with an “X” to select "Yes" for  
X-Type, else select "No".  
Note: Once the marker data has been locked, the information contained on the marker  
is PERMANENT. Choosing to permanently lock the marker data is irreversible. Once  
the data is locked it can not be overwritten. Assure that the data that is being written is  
correct before proceeding.  
A. Modifying Marker Data to be Written  
To alter the information to be written into the  
marker  
Press Menu [6] + Write Mode [SK]  
Step 1. Select a template from the list on the display  
to be written into the marker by pressing  
the up/down arrows [SK] to highlight the  
preferred template. ‘Last Written/Read’ is  
the most recent data that was written to/read  
from a marker by the receiver.  
Step 2. Press View/Edit [SK].  
Four Write Mode options will be displayed  
at the bottom of the screen.  
[SK1] Overwrite: Will overwrite any  
data existing on an unlocked marker if  
Yes’ is selected and ‘No’ will prevent  
overwrite.  
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[SK2] X-Type: Choose ‘Yes’ if writing to  
a Gen 2 marker and ‘No’ if writing to a  
Gen 1 marker. Gen 2 markers will have  
an “X” following the serial number that  
is printed on the attached tag.  
[SK3] Marker: Select type of marker to  
be written by repeatedly pressing Marker  
[SK Toggle].  
[SK4] Lock/Unlocked: Press [SK4] to  
toggle between locking and unlocking  
the marker. The default setting is  
unlocked and note that a locked unit  
cannot be modified once locked. If the  
marker will be locked then a verification  
screen will appear to ensure that the  
marker is locked intentionally.  
Step 3. Press Menu/OK  
The selected template will be displayed.  
The arrow on the right side of the display  
indicates there is more information than can  
be displayed on the screen (scroll down by  
pressing the down arrow [SK]).  
Step 4. Press the up/down arrows [SK] to highlight  
the information to change.  
Step 5. Press Modify [SK]. The percentage  
displayed in the upper right portion of the  
display indicates the remaining memory  
available on the marker.  
Step 6. The operator may select User Edit in order  
to ‘type’ the modification, or Delete Row to  
remove the entire row from the template, or  
select Show All to display a list of common  
compressed terms.  
Note: Using a common compressed term requires  
less memory in the marker.  
Step 7. Select an option from the list by pressing the  
up/down arrows [SK]. Press Locate/OK [5].  
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Step 8. If User Edit is selected, the following screen  
will appear.  
Step 9. Move the boxed cursor to the ‘back arrow’  
and press Select [SK] to delete the entry to  
be modified.  
Step 10. Move the boxed cursor by pressing the left/  
right arrows [SK] or the Up/ Down Arrow  
[SK] to move the cursor to the next row.  
Step 11. Press Select [SK] to enter the alphanumeric  
character.  
Entry will appear at the top of the  
display.  
Step 12. Press Locate/OK [5] when entry is complete.  
Step 13. If Show All is selected, the following screen  
will appear.  
Step 14. Select a common compressed term from the  
list by pressing the up/down arrows [SK].  
Step 15. Press Locate/OK [5]. The modification will  
automatically populate the marker template.  
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7. Reading iD Markers  
The operator can retrieve the data from the iD marker by pressing Read [SK] on the  
Marker Locate screen.  
The locator tip should be lowered to the ground to reach maximum read depth.  
If more than one 3MiD Marker of the same utility is detected, the locator will read the  
first marker and display the data from the marker.  
The fourth yellow command key will be labeled  
“Read Next”. Press this key to extract the data from  
the other marker.  
All the information retrieved from the marker, including the date and time read, is  
saved into the ‘Read History’ file of the locator. If a hand-held GPS device is used in  
conjunction with the locator, coordinates can be saved into the Read History. (See 8.  
Reviewing Marker Read/Write History)  
8. Reviewing Marker Read/Write History  
A. Read History  
The Read History mode is a historical file of all information that has been read from  
targeted markers (100 memory locations).  
Menu [6] + Data/Templat [SK:2] + Read History [SK:2a]  
The Read History screen displays the date and  
time that each marker was read, and its unique  
identification number.  
Select the marker data to be viewed by pressing  
the up/down arrows [SK]  
Press Marker Details [SK] to view all data that  
was retrieved from the marker.  
Press Read History [SK] to return to the list or  
press Exit [SK] to return to Data/Template review  
display.  
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B. Write History [SK]  
Menu [6] + Data Templat [SK:2] + Write History [SK:2b]  
Select the marker data to be viewed by pressing  
the up/down arrows [SK].  
Press Write Details [SK] to view all data that was  
sent to the marker.  
Press Write History [SK] to return to the list of  
written data.  
Press Exit [SK] to return to Data/Template review  
display.  
For additional information concerning writing to 3MiD Markers, refer to  
www.3M.com/dynatel - Instruction Manual M-Series Locator PC Tools.  
9. GPS Compatibility Operation  
A. Communicating with the GPS Device  
Menu [6] + COM Setup [SK:3]  
The COM Setup [SK:3] key will toggle through several options to configure the Serial  
Port [14] of the locator (depending on the application, or capabilities of the GPS device).  
Select from the following options.  
NMEA – The Serial Port is configured to receive NMEA signals from a GPS device  
(4800 Baud Rate). (Capture Mode/Mode 1)  
GIS – The Serial Port is configured to send and receive data to a GPS device that has  
GIS mapping capabilities. (Capture/Transmit Mode/ Mode2)  
PC – The Serial Port is configured to communicate with a computer for the Dynatel PC  
Tool Kit application  
PDA - The Serial Port is configured to only send information if the GPS device only has  
the ability to receive information.  
B. Capturing the GPS Coordinates (Capture Mode / Mode 1)  
Menu [6] + COM Setup [SK:3] + NMEA  
If the GPS device is not configured properly, there is an error communicating with the  
locator, or the GPS has not acquired enough satellites to pinpoint the location, the locator  
will display the message “Insert External Device”.  
22  
78-8130-6741-6 Rev G  
 
When the locator is communicating with a GPS  
device, the LAT and LONG coordinates received from  
the device will appear on the marker locate display.  
Step 1. Locate a marker (See 4. D. Single Marker Locate.)  
Step 2. Press Read [SK]  
The information from the iD marker, as well as the GPS coordinates, will display on the  
locator display. This information is saved automatically in the Read Marker History. (See  
8.A. Reviewing Marker Read/Write History.)  
If the marker is a passive marker (rather than iD) the locator will display “No iD Marker  
Found”. The GPS coordinates of the attempt to read the non-iD marker are stored in  
the Read Marker History as serial number # 0000-0000-0000. The marker details will  
indicate “not an iD marker”, but will display the GPS coordinates.  
C. Sending iD Marker Data to GPS (Capture-Transmit Mode / Mode 2)  
Menu [6] + COM Setup [SK:3] + GIS  
Locators that have marker locating capability (indicated by ‘iD’ in the model number)  
can be configured to send 3M™ iD Marker data directly to some GPS devices. When  
an iD marker is located and read, the information read from the iD marker, with feature  
and attribute data, is sent to the GPS device and is stamped with latitude, longitude and  
date/time data. The data acquired during this logging process can be uploaded to GIS  
mapping software. For more information and detailed instructions pertaining to specific  
10. Help Mode  
Menu[6] + >>More [SK:4] + Help [SK:8]  
The help screen contains basic information about the locator and its operation. It is  
designed to be a quick reference guide.  
Press the double up/down arrows [SK] to navigate between sections.  
The single up/down arrows [SK] will scroll the display line by line.  
11. 3MDynatelPC Tool Kit and  
Locator Software Upgrades  
Locator software upgrades are periodically released and can be downloaded, free of  
software link is titled DynatelM-Series Locator PC Tools. To download the software,  
click on the link and then select 3MDynatelM-Series Underground Locator PC  
78-8130-6741-6 Rev G  
23  
 
Tools. Selecting this link will display the latest software downloads as well as any  
Release Notes related to the current software release.  
Once downloaded to your PC, double click the file and an auto-installer will install the C  
Tool desktop software. Double click the Dynatel PC Tool Kit icon on the desktop. Using  
the provided RS232 cable, or RS232-to-USB adapter cable, connect the Serial Port [14]  
on the locator to the PC and power the locator on. Click the Upgrade Software button in  
PC Tools to begin upgrade. Do not disconnect or power off the locator while the upgrade  
is in progress. Wait until the software indicates that the installation was successful. This  
will take approximately 6 to 7 minutes to complete.  
The Dynatel PC Tool Kit provides the user an excellent interface between the locator and  
a PC. This software utility provides the tools by which the user can:  
Upgrade the locator to the latest software revision  
Program one or multiple locators to best suit specific user configurations  
Load an alternate language into the locator  
Utilize the 3MiD Marker utility to:  
Create templates for writing data to iD markers, or create Trace Templates for  
GPS path tracing when connected to a GPS device.  
Download iD marker data that has been written or read by the locator for  
documentation databases.  
Embedded in the desktop software is the most current software for the locator, which  
affords the user the option of upgrading the unit without returning the unit to the  
3M Service and Repair Center.  
Please refer to the operating instructions included with the software.  
12. Self Test Of Locator  
Menu [6] + >>More [SK:4] + Self Test [SK:7]  
This operation performs a self-test on the locator.  
The locator will display current information about the unit (model number, serial  
number, software revision, and hardware revision).  
1. Press Run [SK] to start the self test.  
A status bar will appear while the self test is running.  
Results will appear on the display when the test is complete.  
Press Exit [SK] to return to the Menu.  
24  
78-8130-6741-6 Rev G  
 
13. Locator Specifications: 1420-iD  
Item  
Specification  
Frequencies / Markers  
Telephone, Power, Gas, Water, Waste Water,  
Communication (CATV), General Purpose  
Maximum Writing Range  
3M iD Markers:  
Near-Surface  
Ball Marker  
Full-Range  
6 in (15 cm)  
12 in (30 cm)  
24 in (61 cm)  
Maximum Read Range  
3M iD Markers:  
Near-Surface  
Ball Marker  
Full-Range  
3 ft (0.9 m)  
5 ft (1.5 m)  
8 ft (2.4m)  
Maximum Detection Depth  
3M Passive Markers:  
Near-Surface  
Ball Marker  
Mid-Range  
Full-Range  
2 ft (0.6 m)  
5 ft (1.5 m)  
6 ft (1.8 m)  
8 ft (2.4 m)  
Marker Depth Accuracy  
Dual Marker Locate Mode  
Weight w/batteries  
+/- 15% +/- 2 in (5 cm)  
Any two markers types  
4 lbs (1.8 kg)  
Average Battery Life  
20 hours*  
14. Environmental and Regulatory Specifications  
Item  
Specification  
Regulatory  
FCC compliant, FCC Part 15  
IP54  
Environmental Standard  
Operating Temperature  
Storage Temperature  
-4°F to 122°F (-20°C to 50°C)  
-4°F to 158° F (-20°C to 70°C)  
78-8130-6741-6 Rev G  
25  
 
15. Locator Specifications: 1420E-iD  
Item  
Specification  
Frequencies / Markers  
Telephone, Power, Gas, Water, Waste Water,  
Communication (CATV), General Purpose  
Maximum Writing Range  
3M iD Markers:  
Near-Surface  
Ball Marker  
Full-Range  
15 cm (6 in)  
30 cm (12 in)  
61 cm (24 in)  
Maximum Read Range  
3M iD Markers:  
Near-Surface  
Ball Marker  
60 cm (24 in)  
1.2 m (48 in) (Telephone, Gas, Waste Water,  
Communications (CATV), General Purpose)  
1.0 m (40 in) (Power, Water)  
2.0 m (78 in)  
Full-Range  
Maximum Detection Depth  
3M Passive Markers:  
Near-Surface  
Ball Marker  
Mid-Range  
Full-Range  
60 cm (24 in)  
1.5 m (60 in)  
1.8 m (72 in)  
2.4 m (96 in)  
Marker Depth Accuracy  
Dual Marker Locate Mode  
Weight w/batteries  
Average Battery Life  
Regulatory  
+/- 15% +/- 5 cm (2 in)  
Any two markers types  
1.8 kg (4 lbs)  
20 hours*  
CE  
Environmental Standard  
IP54  
* Note: The battery life is measured at 73ºF / 23ºC, with 5% usage of the backlight  
at normal level and audio at medium level. The ratio of Marker Read operations to  
Marker Locate is assumed to be 1:1..  
16. Environmental and Regulatory Specifications  
Item  
Specification  
Regulatory  
CE  
Environmental Standard  
Operating Temperature  
Storage Temperature  
IP54  
-20°C to 50°C (-4°F to 122°F)  
-20°C to 70°C (-4°F to 158° F)  
26  
78-8130-6741-6 Rev G  
 
78-8130-6741-6 Rev G  
27  
 
This product is in accordance with the requirements of the  
European directive 99/5/EC.  
This is the EU symbol for equipment that is covered under the Waste  
from Electrical and Electronic Equipment (WEEE) directive per CENELEC  
Specification 5041. It indicates that certain products should not be  
discarded in the trash, but rather should be recycled. This applies to all  
electronic pluggable and battery powered products  
Important Notice  
All statements, technical information and recommendations related to 3M Products are based on information  
believed to be reliable, but the accuracy or completeness is not guaranteed. Before using the 3M Product, you must  
evaluate it and determine if it is suitable for your intended application. Because conditions of Product use are outside  
of our control and vary widely you assume all risks and liability associated with such use. Any Product-related state-  
ments not contained in current 3M publications, or any contrary statements contained in your purchase order, shall  
have no force or effect unless expressly agreed to in writing by an authorized officer of 3M.  
Limited Product Warranty  
3M Locators (except accessories), will conform to 3M’s published specifications and will be free from  
defects in material and manufacture for a period of twelve (12) months from the date of purchase. Dry  
cell batteries included in any of 3M’s products are warranted only to the extent the battery manufacturer  
determines such batteries are covered by its warranty. Locating accessories are warranted for ninety (90)  
days after purchase. 3M’s obligations and liability under this warranty are limited to repairing, replacing or  
refund of the purchase price, at 3M’s option, any of 3M’s products which, after normal and proper usage, are  
determined by 3M to be defective. This warranty does not extend to any of 3M’s products which have been  
subjected to misuse, neglect, accident or improper applications, nor shall it extend to products which have  
been repaired or substantially altered outside 3M’s manufacturing or repair facility, nor to any associated  
instruments, equipment or apparatus. Before utilizing any of 3M’s products, BUYER should determine the  
suitability of the product for BUYER'S intended use. 3M MAKES NO OTHER WARRANTIES, EXPRESSED  
OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A  
PARTICULAR PURPOSE. In no case shall 3M be liable for any special, incidental, or consequential damages  
based upon breach of warranty, breach of contract, negligence, strict liability or any other legal theory. This  
limitation does not apply to claims for personal injury.  
Special Condition: Shipments into authorized distributor/supplier locations will have an additional ninety (90) day  
warranty period.  
3
Electrical Markets Division  
6801 River Place Blvd.  
Austin, TX 78726-9000  
1-800-200-0265  
FAX: 1-877-601-1305  
Please Recycle. Printed in USA.  
© 3M 2014. All Rights Reserved.  
78-8130-6741-6-G  
 

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