menu->AddButton("PMD tree", "((TGeant3*)gMC)->Gdtree(\"DPMD\")","Shows the Geant tree for the PMD");
menu->AddButton("HMPID tree", "((TGeant3*)gMC)->Gdtree(\"rich\")","Shows the Geant tree for the HMPID");
menu->AddButton("SHIL tree", "((TGeant3*)gMC)->Gdtree(\"YMOT\")","Shows the Geant tree for the SHIL");
- menu->AddButton("START tree", "((TGeant3*)gMC)->Gdtree(\"T0ST\")","Shows the Geant tree for the START");
+ menu->AddButton("T0 tree", "((TGeant3*)gMC)->Gdtree(\"T0ST\")","Shows the Geant tree for the T0");
menu->AddButton("TOF tree", "((TGeant3*)gMC)->Gdtree(\"FBAR\")","Shows the Geant tree for the TOF");
menu->AddButton("TRD tree", "((TGeant3*)gMC)->Gdtree(\"trd\")","Shows the Geant tree for the TRD");
menu->AddButton("ZDC tree", "((TGeant3*)gMC)->Gdtree(\"zdc\")","Shows the Geant tree for the ZDC");