Animating a blinking light In 3dsMax

Here are a few videos I did to show someone how to have a blinking light on a grenade.
What I haven't shown is how I'd link a light to it as well with the light decay set.

https://www.youtube.com/user/lucpet

Video 1

There are 8 videos in total  in this series, here is the first one showing how to preview your render of bitmaps

NO AUDIO