Working with your supplementary applicationsUsing Clock138Timer modeIn Timer mode, you can use your Acer s10 as a stopwatch to measure time span fortime-critical events such as a sports competition, a time-balancing experiment (or evenin timing that east-to-west overseas call to your loved ones. Mind that phone billplease!). Time display is shown in the hh:mm:ss format.To work in Timer mode:1 Tap to start timing an event. The timer will start to count and the button willchanged to .2 Tap to stop the timer. The image will revert to .3 Tap to reset the timer to 0.