Dwell
Takes the argument P, which is the dwell time in seconds or milliseconds.
If a decimal point is used, the time will be seconds; if it is omitted, the time will be in milliseconds (1/1000 of a second).
Example 1:
G04 P12.0;
This code will cause the program to delay for twelve seconds.
Example 2:
G04 P12;
Will cause the program to pause for 12 milliseconds (or .012 seconds).