Optilab rEX Firmware
Install the latest version of Optilab rEX firmware (v220.127.116.11) for optimal performance of your instrument.
Release Notes describe firmware improvements.
Optilab rEX Firmware 18.104.22.168 or newer is required to install this update. You should also be using ASTRA 22.214.171.124 or greater. Upgrade ASTRA.
Optilab rEX instruments with serial numbers 321-rEX and lower may require a hardware fix to run this firmware properly. Contact Support prior to loading this firmware if your Optilab rEX serial number is 321-rEX and lower.
If you cannot connect to your instrument, see Firmware Update Connection Assistance.