No dessicant in 314 it seems.
I recently bought a 314L+ mono, it does have the flat head set screw on the side with the white tablet inside. In fact I freaked out a little bit when I opened it on accident. There was nothing in the instruction about it, took a 2 hour web search for me to finally realize what it was
PS- Mod's sorry about posting in such an old thread, I just thought since it was on topic, there was no reason to make an entirely new thread on it. Sorry if that was wrong!