Turning Treo on and off :: 15Turning Treo on and offYou can use the Palm OS® features of your Treo 650 smartphone independentlyof the wireless features and applications. In other words, the screen and phone aredesigned to be turned off and on separately.Turning your phone on and offWhen you turn on your Treo, it connects to a mobile network so that you can makeand receive phone calls and use other wireless services.1. Press and hold Power/End to turn on your phone. If Sound Mode is on you’llhear a series of ascending tones. (See “Setting the ringer switch” on page 146 formore on Sound Mode.) After your phone locates a signal, you can use the phoneand Internet features (if supported by the local network).2. Press and hold Power/End again to turn off your phone. If Sound Mode is onyou‘ll hear a series of descending tones. When your phone is off, your Treo is notconnected to any mobile network. You can still use the organizer and other PalmOS features. This is ideal for airplane flights and for maximizing battery life.Waking up the screenTo use the Palm OS features when your phone is off, you need to wake up the screen.You can also turn off your phone’s screen without turning off your phone’s wirelessfeatures.1. Press Power/End to wake up the screen.2. Briefly press Power/End to turn off the screen.The indicator light flashesgreen when your phone ison and you’re inside acoverage area. If you’reoutside a coverage area,the indicator light flashesamber.Your Treo 650 includes akeyboard backlight for low-light conditions. Thekeyboard backlightactivates automaticallywhen the screen turns on.It turns off automaticallywhen the screen turns offand when an active calllasts longer than a minute.You can also press anyapplication buttons on thefront of your phone to wakeup the screen and godirectly to the applicationlinked to that button.
