NCS Cirrus LT User Manual page 117

5. This will bring up the Upgrade Cirrus LT Firmware window where you can
see the current Firmware version on the Cirrus LT, as shown below.
6. You can then select the Firmware file to upload by clicking the Browse but-
ton. When you download the Firmware file from the NCS downloads page it
will tell you the Firmware version. Compare it to the version already on the
Cirrus LT. The new Firmware should be newer than the Firmware already
on the unit. You should never flash an older Firmware unless directed to by
NCS.
7. Click Submit to start the Firmware upload process. This can take up to 5
minutes.
Cirrus LT User Manual v2.3 - Chapter 7
117