Answering the question of how to set a temperature offset and autotune the Spike Brewing Solo eBIAB system before first use. The PID controller that comes with it is an Electric Brewing Supply EBSP200.
Spike Brewing Solo: https://spikebrewing.com/pages/ebiab
The link to the PID controller manual with details on programming it: http://ebsp200.ebrew.supply/