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Zero Calibration
The calibration mode is started by pressing the Button B for more than
5 seconds. All hands should move to the 12 o’clock position. To make
adjustments press Button A (one press moves 20 seconds) or press
Button A for more than 2 seconds for fast movement up to 12 hours.
Press Button A again to stop the fast movement, and adjust manually with
Button A as required. To confirm and start the radio signal to set the new
time press Button B (automatically initiates after 1 minute). If a signal is
received, the new time will be set on the dial and LCD display, otherwise
the old time will be displayed.
After a hardware reset or if a new battery is fitted, a calibration will be
required.
Low Battery Indication
If battery voltage levels fall below 2.3V, the low battery icon will display
until the battery is replaced.
