Rather than using a processor-intensive while loop for your delay function, I would suggest calling the DELAY command, e.g. -
(command "_.delay" ms
"_.zoom" "_c" '
(100 100) 100) Thanks for the quick reply, Lee Mac.
The solution form <Mr.LeeMac is good, buy a secondary question
=How to calibrate between, the speeds? (speed of GraphScr, speed of TextScr, s)