Once you activated it, exit the house to the right, stay on top of the grey bricks and pull the wall lever. The console in the house is the first switch to activate to reach Svetlana. 1 Guard is patrolling in front of the house, another one behind the house and 1 Stargazer is inside the house. Use your Rail Hook to ride this rail to a small island where you will find a single house.
Acter using the cannon, you will see a rail to your right. In the beginning of the dungeon, climb the building until you beat the Kluex Totem and use the kinetic orb cannon.
To reach Svetlana's first switch, you will need to use the Rail Hook.
Once they are all activated, the bounce pads at the end of the dungeon will be activated and they will lead you to Svetlana. To reach Svetlana's place, you will need to find and activate 3 switches hidden through the dungeon.