Citizen D208 - BATTERY LIFETIME FORECAST AND BATTERY

13. BATTERY LIFETIME FORECAST AND BATTERY
Battery lifetime forecast
x
This watch has the battery lifetime forecast to notify the time to replace
the battery.
x
If the battery comes near the end of its life, "BAT." flashes in the dot
indicator window.
PRECAUTION
If the battery lifetime forecast operates in a mode other than the diving mode,
the watch cannot be set to the diving mode.
When the battery lifetime forecast operates in the diving mode, if the diving
mode is reset, the battery alarm may go off. This phenomenon occurs when the
battery is near the end of its life.
Battery
1) Lifetime of battery
Battery life averages 2 years under the following conditions.
x Length of each diving time: 35 minutes
x
Number of dives: 100times/year
x Data transfer: Once/week
The lifetime of the battery greatly depends on the frequency of the use of
various functions.
If the watch is becomes wet while the user is not diving, the lifetime of the
battery is shortened (Since the various functions of the watch for diving start
working).
The lifetime of the battery roughly changes as follows, depending on the number
of dives (on the assumption that the other conditions are the same as above).
35 min, 200 times/year: 2.2 years
35 min, 300 times/year: 1.8 years
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