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Kate-3 Receiver  (Mx220)  
​Firmware Version 7.9.0

​Released:  July 26, 2025

Download this firmware and save it to your local hard drive. Depending on your browser you may have to right click and select "save as..."
firmware-mx220-7.9.0.24-250726.151400.mxfw
File Size: 6419 kb
File Type: mxfw
Download File

Use the Flight Data Analyzer software​ to update your receiver.  Simply click 'Tools' on the Flight Data Analyzer menu bar and then select 'Update Firmware'.
Picture

​New features included in this release: 
  1. Modified the staging menu so that when staging is disabled, the user cannot get into all the staging settings submenus because it then becomes confusing as to whether the settings are still active and will fire the corresponding pyro outputs.  Which of course, they won't when staging is disabled.  
  2. Modified SSR (Solid State Relay) settings menu so that the user cannot enable the SSR when there is no pyro board attached to the transmitter.  In other words, when there is no SSR present!
  3. Added Motor Pyro Firing Time and Sep Pyro Firing Time to the information that is recorded during a flight. This allows these settings to be reported in the post flight summary document generated by the Flight Data Analyzer software program. These user settings were intended to be there all along with all the other settings but got overlooked until now.
  4. Fixed a problem with the signal strength indicator value that reports the signal strength of the downlink data sent from the transmitter. If the signal strength was less than -128 dBm it would report an incorrect value.

Picture
Previous version of receiver firmware  (v7.7.0)
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