Aot-4221sr Firmware Upgrade Hot! -

What makes this firmware upgrade notable is how it’s deployed:

The v2.1.0 firmware from 3 seconds to about 8 seconds. The reason: it now validates sensor reference values more thoroughly. For most applications, that’s fine — but if you’re power‑cycling the unit every 60 seconds (unusual but possible in some test rigs), you may want to stay on v1.8.x. aot-4221sr firmware upgrade

: Before upgrading, note down the current firmware version of your AOT-4221SR. This can usually be found in the device's settings or system information section. What makes this firmware upgrade notable is how