Hi bob while the time is displayed normally just press the time button once to see the alarm instead then push up and the zone letter should change from p m c or e.
Sharp atomic wall clock change time zone spc900.
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.
Press the up or down button to change its value.
Press and hold the alm on off button for 2.
In normal time mode press the time button to enter the alarml alarm2 time mode.
Sharp radio controlled atomic thermo clock instruction manual.
Press the time button once until the month digit flashes.
Press and hold the time button on the back of the clock for 2 seconds until the year digits flash.
If you hold the set button.
Finally push the time button again to return to month day display.
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Press the time button o n c e t h i s enters the.
Press the up button to select the proper time zone.
Simply press mode to enter alarm mode.
Press the time button to save the setting and return to normal time mode.
Push the up button until the desired time zone is reached.
Time and calendar setting.
P pacific m mountain c central e eastern.
If your location is not in the pacific set the time zone as follows.
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Spc900 clock pdf manual download.
Each time you press the set button it moves over one time zone to the right.