Unless he is trying to say he placed it down, then used /home to go somewhere else and was able to see whether or not the chunkloader was working from where he was...
For Example:
The tier 5 Ender spawner which I think he is saying he has could be located somewhere which would not normally be loaded from his /home, yet have some mechanism (EG: Ender Chests) by which he could see whether it was working from his /home...
Also, when I asked in-game, someone told me they were disabled...