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Most Güralp digital instruments, digitisers and acquisition units have upgradable firmware. Some firmware is updated regularly – mostly to add new features but, occasionally, to fix problems.

Here you will find links to pages containing the latest firmware revisions, upgrade instructions, release notes and other important information. The most recent changes are detailed on this page; It is recommended that you check here regularly to see whether there are any updates that you should apply to your equipment.

Alternatively, subscribe to our firmware updates RSS feed for automatic notifications of any updates.

Most recent changes

  • DM24 release 107b27 – 3rd May, 2019
  • Platinum build 15759 for Affinity, EAMs and NAMs – 3rd May, 2019
  • DIG firmware version 1.2-8707 for Minimus digitisers – 29th April, 2019
  • CD24 release v.328 (for 6TDs) – 14th July 2017
  • Platinum build 10934+498 for DCMs – 26th September,2014



Firmware pages by category

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DIG firmware runs on Minimus digitisers, Radian surface-units and embedded digitisers in Orcus systems.


Platinum firmware is deployed on Affinity systems, EAMs, DCMs, NAMs, DM24SxEAMs and on instruments with integrated EAMs, such as the 5TDE.

Other Platinum resources

DM24 digitisers

DM24 digitisers are available as stand-alone units, integrated with EAMs and integrated with instruments such as the 3TD and 5TD.  Note: when a DM24 is connected to or integrated with a EAM, the easiest way to update the firmware is first to update the EAM’s firmware and then use the dm24-upgrade command from the EAM’s command line.

Other DM24 resources

CD24 digitisers and 6TDs

CD24 digitisers are available as stand-alone units or integrated into digital instruments such as the 6TD.

Other CD24 resources

Legacy firmware



Guralp Systems Limited
Midas House
Calleva Park

Tel: +44 118 981 9056
Fax: +44 118 981 9943