I run T-Rex miner as follows:
t-rex -a kawpow -o stratum+tcp://rvn.2miners.com:6060 -u <mywallet>.rigW -p x
and set the following parameters on my 1060 GTX 3GB card with MSI Afterburner:
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HiveOS Web UI has Setup Minder Config button where I selected X16Rv2 algorithm for T-Rex miner: