"Why doesn't the AF-assist light come on in Manual mode?"
When messing around with my new tripod/head today I found that my AF-Assist light isn't coming on when using the camera in P, S, A, M, landscape, or sports modes. It does come on in the other modes though. It makes no sense to me that it wouldn't come on regardless of what mode I'm in if the lens is having trouble finding focus. Can anybody tell me if their D40 does the same thing?
Edit: Nevermind. A quick look at the manual cleared everything up. For whatever reason the light doesn't come on if you're using AF-C. Or if you're not using the center focus area or you're using it in sports or landscape. Seems weird that it doesn't work when using one of the other two focus areas. What's the logic behind that?
#1. "RE: Why doesn't the AF-assist light come on in Manual m" In response to Reply # 0
My autofocus assist light works in all modes you indicate. Go to the custom settings menu(pencil icon) Item #9 is the AF-Assist. It is probably simply turned off, turn it on and you should be good to go.
#2. "RE: Why doesn't the AF-assist light come on in Manual m" In response to Reply # 1
Haha! Of course I checked to make sure AF-assist was on before posting.
Your's works in all the modes I listed? The manual says it doesn't come on in landscape or sports. Anyway, like I said, I got it figured out. It wasn't coming on because I had the camera set to continous-servo AF(AF-C). I should have looked at the manual before I posted.
#3. "RE: Why doesn't the AF-assist light come on in Manual m" In response to Reply # 2
Glad you found your problem and it is working as you expected it to. By all the modes I meant P S A and M. It also functions in the preset modes where it is supposed to. Glad you found it, I hadn't even thought of continuous servo focus as I rarely use it.