176AppendixTipsPlaybackConnectionsContentsFront panel Display Rear panel IndexRemoteSettingsNotes concerning use of “Update” and “Add New Feature”• In order to use these functions, you must have the correct systemrequirements and settings for a broadband Internet connection(vpage 41).• Do not turn off the power until updating or upgrading is completed.• Even with a broadband connection to the Internet, approximately 1hour is required for the updating/upgrading procedure to be completed.• Once updating/upgrade starts, normal operations on this unit cannotbe performed until updating/upgrading is completed. Furthermore,there may be cases where backup data is reset for the parameters,etc., set on this unit.• If the update or upgrade fails, press and hold the X on the main unitfor more than 5 seconds, or remove and re-insert the power cord.“Update retry” appears on the display and update restarts from thepoint at which update failed. If the error continues despite this, checkthe network environment.%• Information regarding the “Update” function and “Add New Feature” will beannounced on the Denon web site each time related plans are defined.Setup LockProtect settings from inadvertent changes.2 LockOn : Turn protection on.Off (Default) : Turn protection off.%• When cancelling the setting, set “Lock” to “Off”.NOTE• When “Lock” is set to “On”, no setting items are displayed except for “SetupLock”.