Dual-channel in LimeSuiteGUI?

To double check what I get with my LimeSDR-USB in Pothos (listening on 2400-2450MHz on channel A and 2450-2500MHz on channel B), I’d like to use LimeSuiteGUI. But I can find how to setup the latter to achieve dual-channel and set the NCO.

Could anyone give me detailed instruction and/or send me a .ini file?
Thank you!