u201d the second threshold value may be defined as the value of a second quantity u201c b u201d multiplied by the duration of the time element t e g thresh 2 b u00b7 t for idle time sections 18 defined as a sustained idle time zone e g the time section corresponding to unit memory segment 30 time sections having a duration a u00b7 t u2266 t lt b u00b7 t etc control state 14 may be switched to low power consumption state 22 referring now to fig2 a record and control timing diagram 50 illustrating the toilet assembly entering a hibernation state 56 is shown according to an exemplary embodiment in some implementations as memory record 12 is recorded during first time period 11 it may be determined that the duration t of one or more continuous idle sections 18 is equal to the value of the second threshold value thresh 2 e g t b u00b7 t corresponding to unit memory segment 52 such idle time sections 18 may be defined as a u201c long idle time zone u201d for idle time sections 18 defined as a long idle time zone the toilet assembly may be regarded as being in the not in use state for a long time upon the occurrence of.