Navigating Between Modes; Charging - Casio 3540 Operation Manual

Navigating Between Modes

Each press of (C) cycles between watch
modes.
In any mode, hold down (C) for at least one
●
second to return to the Timekeeping Mode.
Timekeeping Mode
C
Timer Mode World Time Mode
C
Stopwatch Mode
C
Connecting with a Phone
●
Hold down (C) for at least three seconds to
connect with a phone.
To disconnect, press any button.
●
Before connection After connection
C
Any button
Watch Operation Guide 3540

Charging

This watch runs on power supplied from a
rechargeable (secondary) battery that is
charged by a solar panel. The solar panel is
integrated into the face of the watch, and
power is generated whenever the face is
exposed to light.
Charging the Watch
●
When you are not wearing the watch, put it in
a location where it is exposed to bright light.
C
While you are wearing the watch, make sure
that its face (solar panel) is not blocked from
light by the sleeve of your clothing. Power
C
generation efficiency is reduced even when
the face of the watch is blocked only partially.
Alarm Mode
Important!
Some light sources and environments
●
can cause the watch to become
extremely hot during charging, which
creates the risk of burn injury and
damage to internal watch
components.
Avoid charging the watch under
conditions like the ones described
below, where the temperatures may
exceed 60 °C (140 °F).
On the dashboard of a vehicle
ー
parked in the sun
Near incandescent lamps, camera
ー
lights, halogen lamps, or other
sources of heat
In locations exposed to direct
ー
sunlight for long periods and other
hot locations
YES NO
Low Battery
●
A low battery will cause [LOW] to flash and will
disable the functions below.
Time signal reception
●
Illumination
●
Sounds (alarm, etc.)
●
Connection with a phone
●
If the charge level drops even further, [CHG]
will flash. If this happens, all functions are
disabled.
Dead Battery
●
The digital display will go blank if the battery
goes dead. Memory data is lost, and watch
settings are returned to their initial factory
defaults.
Important!
Should the battery go low or go dead,
●
expose the face (solar panel) to light as
soon as possible.
Exposing the watch to light while its
●
battery is dead will cause [CHG] to
start flashing. Keep the watch exposed
to light until the current time appears on
the display.
Note
If [R] is flashing, it means that all
●
functions, except for timekeeping, are
disabled due to high momentary
battery power consumption.
[R] is flashing on the digital display.
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