User’s manual NAVIGON 81xx- 16 - Password LockProduct Information: Here you are shown the version numbers and copyrightdetails of the hardware and software.Touchscreen Calibration: The touchscreen can be re-calibrated if it respondspoorly to touch. Follow the instructions on the screen.Settings: Here you can make the settings which are to apply in all applicationsof the NAVIGON 81xx, e.g. language, brightness and time format. Fordetails refer to chapter "Configuring the NAVIGON 81xx" on page 64.Factory Settings: Resets all settings to the as-delivered state. Routes andsaved destinations are not deleted. The software is re-started andbehaves as if started for the first time after being purchased. (Refer to"Switching on the NAVIGON 81xx" on page 15)FM Transmitter: You can listen to driving instructions and music from theNAVIGON 81xx over the car radio's loudspeaker system. (Refer topage 63)4 Password LockYou can protect your navigation system from unauthorised use bycreating a password.4.1 Activating password protection1. In the S TART window, tap on Options > Password Lock.The NEW PASSWORD window opens.2. Enter a new password in the New password box.3. Enter this password again in the Confirm new password box.4. Tap on Activate.Note: The password must have exactly 4 digits.4.2 Changing a password1. In the S TART window, tap on Options > Password Lock.The E NTER PASSWORD window opens.2. Enter the currently valid password in the Enter password box.3. Tap on Change password.The N EW PASSWORD window opens.4. Enter a new password in the New password box.5. Enter this password again in the Confirm new password box.6. Tap on Activate.