Locking your phone and data :: 121Locking your phone and dataYour Treo includes several features that help you protect your phonefrom inadvertent use and keep your data private. The built-in securitysoftware enables you to use your Treo for emergency calls even if thehandset is locked.• Keyguard: Manually disables all buttons and the touchscreen to preventaccidental presses in your briefcase or pocket.• Auto-Keyguard and touchscreen lockout: Automatically enablesKeyguard after a period of inactivity, and lets you disable the touchscreenduring an active call or call alert.• Phone Lock: Requires a password to make and receive calls with yourSIM card.• System password lock: Requires a password to see any data on your Treo.• Private records: Masks or hides items marked as private, and requires apassword to view them.KeyguardYour Treo includes a feature that locks the keyboard, so that you don’taccidentally press buttons or activate screen items while the phone is in apocket or bag.1. With the Treo screen on, press Option and the Screen button toenable Keyguard.2. To disable Keyguard, press and hold Center.General PreferencesGeneral Preferences enable you to set the auto shutoff interval, the beamreceive feature, sounds, and screen colors for your Treo.1. Press Applications Launcher .2. Choose the pick list in the upper-right corner, then select All.3. Choose the Prefs icon.4. Choose the pick list in the upper-right corner, then select General.5. Set any of the following preferences:• Auto-off After: The time that elapses before your screen turns offautomatically.• System Sound: The volume for system beeps and alerts.• Alarm Sound: The volume for Calendar and To Do List alarms and alerts.• Game Sound: The volume for game sounds.• Beam Receive: The setting for whether you want your Treo to receivebeamed information.• Colors: The set of predefined colors for the system display.120 :: General PreferencesThe Auto-off settingconserves battery power byturning off your phone’sscreen. It does not turn offWireless Mode so you canstill receive calls, email, andtext messages after theautomatic shutoff period.The system and gamevolume settings apply whenthe ringer switch is set tothe on position.When you receive or makea call, the touchscreen onthe Active call screen maybe automatically disabled toprevent accidentaltermination of a call. Youmust use the 5-waynavigation control to accessthe buttons on the Activecall screen. Check theKeyguard Preferencessettings.