# Firmware Version History

URL: https://irs.systems/en/docs/cmm-iii/firmware-version-history

## Version 2.2.0

- At least 6 samples will be ignored after range changed no matter if up or down
- Added command to temporary change the count of ignored samples after range changed (RCISC)
  - Each range switch will cause a peak in min/max value (and a small error in the average value).
  - This command can be used to minimize that behavior
- Added command to temporary change the minimum range (MINRG)
  - Each range switch will cause a peak in min/max value (and a small error in the average value).
  - This command can be used to minimize that behavior by reducing count of range switches

## Version 2.1.3

- Some samples will be ignored after range changed (Up: 4 Samples; Down: 6 Samples)
- Update to support an alternative operational amplifier (original one was out of stock)
- Update to support a controller type with less memory

## Version 1.3.0

- Added command for averaging min./max. value (MMASC)
- Added command to save user defined text (UTEXT)

## Version 1.2.7

- Added command to query the serial number (SERNB)
- Added command to query the calibration date (CDATE)