EM31-MK2 Monitor / Log Menu

EM31 Instrument Interface

EM31 Instrument

1. Turn on the EM31.


Perform functionality checks and null the instrument as needed. Set up the survey using the prior menus in the EM31-MK2 program. These menus include Survey Setup, Logger Setup, GPS Output Port, and Display Options.





2.Turn on Allegro and access the EM31-MK2 Monitor / Log Menu.

The EM31-MK2 Monitor / Log will go through a process of checking for instrument connection as well as GPS receiver performance. If the EM31 is not turned on, the user will receive a message to do so.

EM31-MK2 Monitor Menu

EM31-MK2 Monitor Log Menu



EM31 File

EM31 Create Files

3. Create a Data File.

Push the Create File Button with the EM31-MK2 Monitor Menu to access the Create Data File Menu. Name the file and determine its folder, type, and storage location. In general, the user will not have to change the Folder, Type, and Location Fields.

EM31-MK2 Monitor Create Data

EM31 Create Data File




Press the Create File Button to create the file and begin monitoring. After creating a data file, the screen will display another set of buttons.




4. Use the Stylus and press the Go Button to start logging data.


EM31 New Line Button

EM31 New Line Menu

5. Press Line Button,

to start a new survey line. The Line Menu will appear. A new line name and associated parameters will appear based on inputs from the Survey Setup Menu.





EM31 Monitor

EM31 New Station

6. Create a New Station

by pushing the NStn Button. This creates a new station within the same survey line. A break within the lines on graph will occur to visually signify a new station.






7. Leave a Comment anytime during logging by touching the Cmnt Button with the stylus. A message of 11 characters can be saved.


8. Modify instrument display options.

EM31 Display

EM31 Menu

Change display options such channels displayed, channel color, and scale. These attributes will be the same attributes as programed in the Display Menu on the EM31-MK2 Home Screen.