Insufficient Charge Warning Function; Overcharging Prevention Function - Citizen Eco-Drive Manual

B. Insufficient Charge Warning Function
The second hand changes from 1-second interval movement to 2-second interval
movement to indicate that the watch has become
insufficiently charged. After about 2 days or more
have passed since the start of two-second interval
movement without light shining onto the watch,
the watch stops as a result of being insufficiently
charged.
[Note] During two-second interval movement,
regular automatic and free reception are
not available, and the time cannot be
corrected manually.
j If the watch becomes insufficiently charged while radio wave reception, confirmation of
reception result, time difference correction or checking or setting the reference position is in
progress, the operation is interrupted and the watch returns to the time prior to the operation
being performed. The watch begins 2-second interval movement at this time. Try to keep
the watch charged at all times to prevent it from becoming insufficiently charged.
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RX
MON 7
2-second interval
movement
C. Overcharging Prevention Function
This function eliminates any worry regarding effects on the secondary
battery, timekeeping accuracy, performance or functions of the watch no
matter how much the watch is charged.
When the secondary battery becomes fully charged by exposing the solar cell to light,
the overcharging prevention function is activated automatically to prevent the battery
from being charged further.
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