Changes

| (i) One or more of the SiTech GUIs may not be running or may have comms issues. (ii) The Icron device connected to the Lodestar cameras likely needs rebooting.| (i) Check that all SiTech GUIs are running and have no comms problems; restart all GUIs if there are any issues. (ii) Unplug the power cable from the Lodestar Icron device mounted on the underside of the pier, then plug it in again. If the problem persists, unplug the Lodestar Icron device from 1ms1 downstairs in the server room. N.B. there are separate Icron devices for the Lodestar cameras and the SiTech controllers - make sure you check the labels and get the right ones.| (i) Hannah, IT or Electronic standby. (ii) Electronic or IT standby if on site, otherwise mechanical standby can fix this.