20(2) When turning the BHT on after storage with no battery cartridge loaded:Even after removal of the battery cartridge, the calendar clock will work with thebackup power source for a while.If the calendar clock backup has stopped, loading the battery cartridge andturning the BHT on will display the following message, prompting you to set thecurrent date and time.For details about the setting procedure, contact your system administrator.(The indication "00/01/01 00:00" will vary depending upon the calendar clockstate.)BHT Turning-off NotesWhen the BHT is turned off by pressing the PW key or by the auto power-off feature,it displays the following message and starts preparation for shutdown.When the above message is displayed, do not remove the battery cartridge.If you do so and leave the BHT without the battery cartridge loaded for threeminutes or more, then the error message "Contact your administrator. Note the errornumber. (2XXX)" may appear when turning the BHT on at the next time.