Timer for 15 Minutes
Using the 15-Minutes Countdown
Press the start button to activate the 15-minute countdown. The timer will start immediately, and you'll be alerted by a sound when the 15 minutes are up.
You can pause the timer at any time by clicking the "stop" button. To reset the countdown to the original 15 minutes, click "reset." If the timer is paused, you can resume by clicking "start," or reset it to 15 minutes with "reset."
When the timer reaches the end, clicking "okay" will silence the alert sound and close the dialog box. To restart the countdown, simply click "restart."
For more customization, the "edit timer" button lets you choose a different alert sound or change the countdown time from the default 15 minutes.