Nokia 6600 User Guide 71 Copyright © 2004 NokiaToolsAccess point - The access point name is needed when you want to use your phoneas a packet data modem to your computer. See “Using your phone as a modem” onpage 106.DATA CALLGo to Settings→ Connection→ Data call.The Data call settings affect all access points using a data call and high speeddata call.Online time - If there are no actions the data call is dropped automatically aftera time-out period. The options are User defined, in which case you enter a time,or Unlimited.Date and timeThe Date and time settings allow you to define the date and time usedin your phone, as well as change the date and time format and separators.• Clock type→ Analog or Digital - to change the clock shown in standby mode.See “Clock” on page 88.• Clock alarm tone - to change the tone played when the clock alarm timeis reached.• Auto time update - to allow the network to update time, date, and time zoneinformation to your phone (network service). For the Auto time update settingto take effect, the phone needs to be restarted. Check any alarms as these maybe affected by Auto time update.• GMT offset - to change the time zone for the clock time.• Daylight-saving - to set daylight saving time on or off.SecurityPHONE AND SIMExplanations for the different security codes that may be needed:• PIN code (4 to 8 digits) - The PIN (Personal Identification Number) codeprotects your SIM card against unauthorized use. The PIN code is usuallysupplied with the SIM card.After three consecutive incorrect PIN code entries, the PIN code is blocked.If the PIN code is blocked, you need to unblock the PIN code before you canuse the SIM card again. See the information about the PUK code.• PIN2 code (4 to 8 digits) - The PIN2 code, supplied with some SIM cards, isrequired to access some functions.