F
LOW BATTERY WARNING FEATURE
(2-second interval movement)
As the battery approaches the end of its services life, the second hand will switch to
2-second interval movement, in which the second advances two seconds at the time,
informing the wearer that the battery is nearly worn out. When this happens, have the
battery replaced promptly. When the low battery warning feature is activated, the sound
alarm function and vibration alarm function will no longer operate.
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