Release Notes for DIG2
DIG2 is Güralp Systems’ firmware for Minimus₂ and Minimus Lite digitisers. These can be recognised by their serial numbers, which will be of the form MINL-XXXX. For digitisers with serial numbers of the form MIN-XXXX, please see the Release Notes for dig page.
Contents
- The scope of this document
- Finding the currently installed version
- Upgrade instructions
- Important notices
- Change log
Scope
|
![]() |
The Minimus₂ and Minimus Lite both run dig2 firmware. Their serial numbers are of the form MINL-XXXX. This is the correct document for these instruments. |
|
![]() ![]() |
The Minimus and Minimus+ both run dig firmware. Their serial numbers are of the form MIN-XXXX. This document does not describe their firmware. Please see the release notes for dig for information relevant to the firmware of these digitisers. |
|
![]() ![]() |
The Fortimus digital accelerometer and Certimus digital seismometer each contain a Minimus digitiser which runs dig firmware. This document does not describe their firmware. Please see the release notes for dig for information relevant to the firmware of these digitisers. |
Download Links
Finding the currently installed version
To determine the current firmware, run Güralp's free Discovery software and find the entry for your digitiser on the main page. The firmware version is displayed, as highlighted below:

If the firmware version is not displayed, select
from the sub-menu of the menu:
Upgrade instructions
Instructions for upgrading Minimus₂ and Minimus Lite digitisers can be found here.
Change log
- 2023/10/09 - Release 2.1-12649
- This release contains the following fixes:
- Improvements to NTP time.
- Improvements to GPS tracking on loss of lock.
- 2023/09/14 - Release 2.1-12040
- This release contains the following fixes:
- Units modified in the "Edit Poles and Zeros" window in Discovery will now persist over reboots.
- 2023/09/13 - Release 2.1-12020
- This release contains the following fixes:
- Reduced time drift when GPS unit physically removed during operation.
- The web page will now contain a warning when calibration is taking place.
- HTTP port number can now be modified on the web page.
- Various StationXML fixes.
- Improvements to GPS timing robustness.
- 2023/08/29 - Release 2.1-11823
- This release contains the following fixes:
- The stationXML file for the Certis can now be found under Certis.xml
- Improvements to the reporting for the Battery Pack.
- 2023/08/18 - Release 2.1-11561
- This release contains the following fixes:
- Certis full sample rates now available on digital connection
- 2023/08/11 - Release 2.1-11433
- This release contains the following fixes:
- Certis RESP/Dataless files now contain correct frequency response.
- 200 SPS now available for Certis.
- GDI headers now legalised for older NAM compatibility
- Channels relating to Certis can now be found under Certis in the Display on Page dropdown in Data Stream/Record.
- Fixed possibility of gaps in data recorded to the SD cards.
- A Full Format option now exists in the webpage to fully zero out all files.
- Webpage now requires login to access all controls for digitiser.
- Data will still be recorded to external SD card if internal SD card isn't functioning correctly.
- Auxilliary files polezero.txt and calvals.txt are now functional for SCREAM compatibility.
- Instrument Serial number now correctly stored when entered in the Poles and Zeros editor in discovery.
- Download by time will now serve up to the most recent recorded data when future data is requested.
- Warnings and checks added for SD cards of differing sizes
- 2023/06/29 - Release 2.1-10368
- This release contains the following fixes:
- The "Edit Poles and Zeros" page will now correctly disable enabled poles, zeros, or gains.
- 2023/06/29 - Release 2.1-10362
- This release contains the following fixes:
- Calibration Stream is now correctly expressed in Volts.
- Peak ground values are now reported in discovery and the event table
- STA/LTA streams now visible when using STA/LTA triggers
- New low-power modes for guralp battery box
- Tunneling has now been added to the Network tab
- "Flush Data" button now works properly
- Fixed incorrect labelling on the Storage tab buttons
- Fixed downloads sometimes failing
- More stability improvements
- Added Uart Passthrough
- Fixed modified SEED Names being reset on reboot
- Copy to Data Stream/Record now copies SEED names as well as tap configuration
- Apply configuration for tap groups now changes all corresponding sample rates when checked
- Release 2.1-9734
- This release contains the following fixes:
- Fixed issue with Calibration Signal Generator
- IP Address will now correctly show as DHCP instead of Static
- Release 2.1-9653
- This release contains the following fixes:
- Fixed incorrect values on power channel
- Corrected ≈1 ms timing offset
- Fixed issue with units of "g" not showing up in Discovery when loading from a dataless file
- Fixed custom units section in poles and zeros section of Discovery
- Fixed incorrect filter coefficients in dataless seed files
- General performance and stability improvements
- Release 2.1-9039
- This release contains the following fixes:
- Added StationXML files to storage tab under Auxiliary files
- Fixed errors with Triggering
- Fixed errors when attempting to download by time
- Calibration values from Certis will now be viewable in the calibration editor on newer versions of Discovery.
- LED will now flash blue for five cycles upon a trigger.
- event_table.txt now shows <1 second events as "<1" instead of 0 seconds.
- Threshold triggers now identified correctly in event_table.txt.
- Fixed date not showing correctly on system.log.
- Release 2.1-8647
- This release contains the following fixes:
- Fixed custom channel units reseting on reboot.
- Fixed issues with the threshold trigger on seismic channels.
- Event Table text file (event_table.txt) download can now be found the storage tab of the web page.
- Added timestamps to system.log and fixed errors on some text editors.
- Improvements to STA/LTA trigger performance.
- 2023-03-20 : release V2.1-7389
- This release contains the following fixes:
- SEED names are now delimited with periods; GCF stream names remain hyphen-delimited.
- Added more Platinum-compatible GDI metadata.
- Release 2.1-6731
- This release contains the following fix:
- Added more Platinum-compatible GDI metadata.
- Release 2.1-6633
- This release contains the following fixes:
- Removed extra sensors listed underneath Sensor Installation Parameters
- Improved accuracy of Start data timestamp and Last data timestamp
- Certis streams added to download by time dropdown
- Duplicate seed names are now flagged correctly
- Removed duplicate seed names from the default channels
- Backfill now works across multiple files
- Bluetooth reloading of firmware on boot fixed.
- Extra DHCP request after failure on boot.
- General bug fixes and improvements.
- Release 2.1-6314
- This release contains the following fixes:
- Enabled Auto Reboot
- Removed sensors status from the Status tab on the web page
- Release 2.1-6309
- This release contains the following fixes:
- Improvements and fixes to timing accuracy
- Added login support
- System.log file is now available under Auxiliary files
- Added some default calibration values
- Added Channel data download by time selection
- Added Download selected files
- Fixed crash on password change
- Fixed corruption of miniseed files
- Release 2.1-5790
- This release contains the following fixes:
- Timing fixes
- Release 2.1-5644
- This release contains the following fixes:
- Bluetooth now fully functional. This includes power-saving switches to allow LAN to be re-enabled
- Start- and end-times of SD files now displayed on web page
- Temperature and Humidity now shown of web page. GPS locking bug fixed
- Data-download from web page supported. Dataless SEED generation added
- Calpage editor in Discovery supported
- Lithium battery box support added
- Low-power "LAN off" feature added
- Web page going quiet bug now fixed
- Remote reboot function from Discovery added
- Input voltage and PoE now shown on WEB page
For more information, please email .