*WAIT Suspend Procedure Execution for a Specified Time
n The procedure will be suspended for n seconds. If n is not specified, the wait will be indefinite.
.label After the waiting period has elapsed, the procedure will continue execution by branching to the specified label (*SKIP .label).
The waiting period specified in the *WAIT statement can be interrupted at any time by the user pressing the K2 key. In this case, the procedure will not branch to a specified (.label) branch point.