Measuring Elapsed Time with Auto Start
You can use the procedure below so a timer countdown starts automatically following a five-second pre-count.
![5554_53_TR](fig/5554_53_TR_VPCVILvcbfhayo.png)
A typical operation is shown below.
![fl_stw_AutoStart_1](fig/fl_stw_AutoStart_1_VPCVILintfpqba.png)
- To stop a countdown operation, first pause it and then press (B). This will reset the timer to its start time.