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DOOM 3: Resurrection of Evil Hints
How can I open the Site 1 Research door in Excavation Utility?
1 of 4: Trying its locking panel, you'll learn that you need the PDA of Preston Glenn or Dr. Kharkov.
2 of 4: Since you can't have either of those PDAs yet, go through the nearby unlocked door and take the elevator to the Medical Labs level.
3 of 4: Make your way to the Medical Ward, where you'll find Preston Glenn's PDA setting on a workbench.
4 of 4: Return via elevator to the locked door and click on its panel to open it.
