The autonomy of the watch depends on how it is used. The main consumers of
energy are the LCD display lighting, the vibration function, followed to a lesser
degree by the audible alarm and the BLE connection. The more these elements
are used, the less autonomy the watch will have. The graphs 1 & 2 provide typical
autonomy values according to light usage.
b) Power management
The watch is equipped with an intelligent power management system serving
to optimize its autonomy. The ultimate aim is to avoid having to re-adjust it
once again after a "stop". Depending on the status of the battery charge, the
watch will inform the user of the need to charge. Parallel to this it will deactivate
high-consumption functions little by little as the battery is used up. The sequence
includes three successive levels:
1. 1
st
level: The seconds hand moves forward in 4-second increments every 4
seconds. The analog and digital times are correctly shown, and the digital func-
tions and alarms are operational.
2. 2
nd
level: The seconds hand is stopped at 12 o'clock, the high-consumption
functions (light, vibrate, «beeps» function and BLE connection) are deactiva-
ted. With each press on the crown, the
screen instead of and in place of the light. If the watch is configured in
mode (display only with the light – see chapter 7.d), it automatically goes to
mode. The analog time (without the seconds) and the digital time are
DISP ON
indicator appears on the upper
LOW BAT
DISPOFF
100
correctly indicated, the digital functions are operational and the alarms only
work with the buzzer. This state can last a few days.
3. 3
rd
level ("soft sleep"): Stop the motors by "parking" the hour and minute
hands (at 09:14 or 02:46); the seconds hand will remain at 12 o'clock, and the
LCD displays will go out. As a consequence, the watch will go into sleep mode
allowing the synchronization of the hands to be maintained, as well as the
correct time and date in background mode. This state can last for about 30 days,
but for any longer than this, the information will be lost and the watch will have
to be reinitialized. The watch must be charged to exit sleep mode.
Once the charge begins, the hands and various indicators (
be updated. If there is too long a time lapse before recharging the watch, a
complete reset will be required (see chapter 3).
NB: Depending on how the watch is used (high energy-consuming functions), as
well as environmental conditions (ambient temperature), the moment the 1st level
appears, as well as the duration of levels 1 and 2 may vary.
The
function will display the battery charge at any time.
BATTERy
A battery change will only be required after around 300 complete charges, or after
more than ten years of use. This may only be done by an authorized Breitling ser-
vice center.
,
, etc.) will
TIME
DATE
101