8LAUNCH X-431 PADII User's Manual3.3 Power On / Power Off X-431 PADII3.3.1 Power onPress the POWER key to turn on X-431 PADII.Note: If it is the first time you use X-431 PADII or X-431 PADIIkeeps idle for a long time, X-431 PADII could fail to be turned on. Itresults from low battery. In this case, please recharge your X-431PADII for a while and try to turn it on.3.3.2 Power offPress the POWER key, an option menu will pop up on the screen.1.Tap “Power off” to turn off X-431 PADII.2.3.4 Tips On Finger OperationsActions ResultsSingle-tap To select a item or launch a program.Double-tap To zoom in so that the text on a webpage appearsin a column that fits your device’s screen.Long pressPress and hold on the current interface or areauntil a contextual menu pops up on the screen,and then release itSlide To jump to different pages.Drag Tap the desktop icon and drop it to other location.Spread apart /Pinch togetherTo zoom in manually, place two fingers on thescreen and then spread them apart. To zoom out,place two fingers apart on the screen and thenpinch them together.3.5 Lock / Unlock the screenMany screen lock modes are available on X-431 PADII. Take thepreset screen-lock mode as example for demonstration.3.5.1 Lock the screenWhen X-431 PADII is ON, press POWER key once to lock the•screen;The system will lock the screen automatically after X-431 PADII•remains idle over the preset standby time.3.5.2 Unlock the screenPress POWER key to activate the screen, and then drag the lock to“Unlock” position.Notes:1. In case you forgot the screen lock, please refer to Appendix - FAQfor details. You are not suggested to use the screen lock.2. If you use unlock pattern, you have to draw the right target patternto unlock it.