I just want to add on, in your script it could look something like this:
INT. WARNING - BOTH
@zoom reset
@speechbubble reset
@pause for 4
You can read more here on pauses: HOW TO: Pause A Scene
Just in case, more helpful resources here:
I also gathered a list of tutorials I made:
- I have a few more on my IG warrior.gem such as speechbubble and spot direction tutorials.
Good luck on your writing journey and I tend to go all out when providing aid 
