best way to handle a check swing

[CecilOne]

Originally Posted by parrothead

* The other was on like a 1-2 count, ball in dirt, she kind of check swings ball hits off catcher and goes away umpire at home did not call ball, catcher goes and gets the ball, then tags runner then asks for appeal. Home ump didnt grant appeal saying needed to do it right away.

I'm confused by this.
Did the PU call anything?

"tags runner then asks for appeal" apparently appealing the check swing, or maybe the BR not reaching 1st; but like I said, confusing.

"needed to do it right away"
An appeal can be until the next pitch, or all leaving field.