Nokia E51 User Guide - Page 112
Enhancement settings, Security settings, Device and SIM card security
UPC - 758478012970
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To set the current date and time, select Date and Time. To define your time zone, select Time zone. To update the time, date, and time zone information automatically (network service), select Network operator time > Auto-update. To select whether to use the 12-hour or 24-hour clock system and with which symbol to separate hours and minutes, select Time format and Time separator. To determine the date format and separator, select Date format and Date separator. To define the clock type, select Clock type > Analogue or Digital. To select the tone for the alarm clock, select Clock alarm tone. To determine the week days that are work days for you, select Workdays. Enhancement settings Select Menu > Tools > Settings > General > Enhancement. Common enhancement settings With most enhancements, you can do the following: To determine which profile is activated when you attach an enhancement to your device, select Default profile. To let the device answer phone calls automatically after 5 seconds when an enhancement is attached, select 112 Automatic answer > On. If the ringing type is set to Beep once or Silent in the selected profile, the automatic answer is disabled. To illuminate the device while it is attached to an enhancement, select Lights > On. Security settings Select Menu > Tools > Settings > General > Security. Define the following security settings: • Phone and SIM card - Adjust the security settings for your device and SIM card. • Certificate management - Manage your security certificates. • Security module - Manage your security module. Avoid using codes that are similar to emergency numbers to prevent accidental dialling of the emergency number. Codes are shown as asterisks. When you change a code, enter the current code, then the new code twice. Device and SIM card security To change the PIN code, select Phone and SIM card > PIN code. The new code must be 4 to 8 digits long. The PIN code protects your SIM card against unauthorised use and is provided with the SIM card. After three consecutive incorrect PIN code entries, the code is blocked, and you need to use the PUK code to unblock it before you can use the SIM card again. To set the keypad to lock automatically after a defined period, select Phone and SIM card > Keypad autolock period.