@ -30,7 +30,7 @@ public class TrayState {
public TrayState() {
for (int i = 0; i < tubes.length; i++) {
TubeState tubeState = new TubeState();
tubeState.setTubeNum(i);
tubeState.setTubeNum(i + 1);
tubes[i] = tubeState;
}