In Dire Marsh, disable the signal towers in AI Uplink. In the tunnels below, destroy CPU Nodes to find a Calibration Kit, then place it in the DCON at the shelter east of AI Uplink.
In a single run:
Disable the tall signal towers on the eastern side of AI UPLINK [2]
THEN Destroy CPU Nodes to find a Calibration Kit in AI UPLINK [1]
THEN Place the Calibration Kit in the DCON east of AI UPLINK [1]