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Reception of the WWVB Radio signal
The clock must receive the WWVB Radio
Signal to automatically set the time, date and
weekday.
The clock automatically starts the WWVB
signal search after 7 minutes of any restart or
changing of new fresh batteries. The radio
tower icon starts to flash.
At 1:00 am, the clock automatically carries out
the synchronization procedure with the WWVB
signal to correct any deviations to the exact
time. If this synchronization attempt is
unsuccessful (the radio tower icon
disappears from the display), the system will
automatically attempt another synchronization
at the next full one hour. This procedure is
repeated automatically up to total 5 times.
To start manual WWVB signal reception, press
the “WWVB SEARCH“ button. If no signals
received within 7 minutes, then the WWVB
signal search stops (the radio tower icon
disappears) and will start again at the next full
one-hour.
To cancel RC reception and stop searching for
the WWVB radio signal, press the “WWVB
SEARCH“ button once. The radio tower icon
will disappear.
About WWVB Radio Signal Reception
A flashing radio tower icon indicates that the
WWVB signal reception has started.
A continuously displayed radio tower icon
indicates that the WWVB signal was received
successfully during the last attempt. If the
clock attempts to receive the WWVB signal and
is unsuccessful, the tower icon will not be
continuously displayed on the LCD.
We recommend a minimum distance of 2.5
meters (8 feet) to all sources of interference,
such as televisions or computer monitors