Pauses execution for duration P seconds.
G04 is a G-code used for dwell time, it is used to pause for a specified amount of time. The code is usually written as G04 P[time in seconds]. The P parameter is used to specify the length of time to pause, usually in seconds. It is commonly used to pause before or after a specific operation, such as tool changes, or to allow the cutting tool or workpiece to cool down.
For example, G04 P1 would pause the machine for 1 second before continuing to execute the next command.
G04 P
G04 P1