The r strongly suggests a tie to a particular board revision. Attempting to flash a different firmware (e.g., v2.03.80 or v3.00.00) without verifying hardware compatibility could brick your device.
Diagnostic equipment (hematology analyzers, patient monitors) often use conservative firmware versioning. v2.03.74r would signal a thoroughly validated build, likely FDA-cleared or CE-marked, with the r indicating "release for production."
Version 2.03.74r Release Notes
We're pleased to announce the release of version 2.03.74r, which includes several improvements and bug fixes to enhance your experience with our product.
What's New:
Known Issues:
Update Instructions:
If you are considering moving away from v2.03.74r to a newer version, respect this three-step process: