To manually set the time during normal run time press the m set button for 5 seconds to enter manual setting mode.
How to set time on sharp atomic wall clock.
Sharp radio controlled atomic thermo clock instruction manual.
Repeat the process to set the date hour minute and second.
Despite the radio controlled timekeeping of sharp atomic wall clocks you may need to set the time and date manually if the automatic update fails or is interrupted.
Then press the time button again to move to the month digits.
In some locations if the time signal is not able to be received by the clock there are 2 alternatives.
Spc900 clock pdf manual download.
Within a few minutes your clock will find the wwvb signal and set itself to the correct time or decide that it can t receive the signal at this location and time of day.
When the sharp spc900 is not able to receive a signal from the atomic clock it is possible to temporarily set the clock s time manually.
To do so one should press and hold the time button on the back of the clock until the year digits appear then use the up and down buttons to change its values.
Place your clock in an upright position near a window to help it find its initial signal.
Either move the clock to a different location where reception is possible or set the time manually.