The echo detector in "Stalker 2: Heart of Chernobyl" is a very important prop in the game that can be used to find prehistoric artifacts. If you want to use the echo detector to find prehistoric artifacts, you can do so after entering the abnormal area. Press the "7" key to take out the echo detector, which will flash blue if there is an artifact nearby.
How to use the echo detector in S.T.A.L.K.E.R. 2 Heart of Chernobyl
Make sure your echo sounder is equipped. When near the abnormal field, press the "7" key to take out the echo detector. If there is an artifact nearby, the echo detector will flash blue.
As you approach the correct location, the device will flash rapidly until the artifact magically appears out of thin air.
