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Power Supply
The power supply of this watch uses a solar cell to generate
electrical power, which is stored by a rechargeable battery. Using
or storing the watch where it is not regularly exposed to light, or
allowing it to be blocked from light by your sleeve as you are
wearing it can cause the power of the rechargeable battery to run
down. To ensure stable operation, be sure to allow the watch to be
exposed to light as much as possible when you are wearing or
storing it.
Note that all data in memory and all settings are cleared
whenever you allow the level of the rechargeable battery to
drop to Level 4.
❚ Flashing Recover Indicator
If you use the light or alarms a number of times during a short
period, a RECOVER indicator flashes on the display and the
following operations become disabled as battery power recovers.
• Display illumination,
RECOVER Indicator
• Alarm and hourly time signal
• Time calibration signal reception
Normal operation will return after the battery recovers.
Display Illumination
An EL (electro luminescent) panel is used to illuminate the display
of the watch for easy reading in the dark. An auto light switch
automatically illuminates the display when you angle the watch
towards your face for reading.
❚ To illuminate the display manually
When any screen besides a
setting screen (one with a
flashing setting), press the
B
B
B button to illuminate the
B
B
display of the watch.
• The display remains illuminated
for about 1.5 seconds.
• Pressing the B button illuminates the display regardless of
whether the auto light switch is on or off.
You may hear a faint rattling sound when you move the watch
around. This sound is caused by the movement of a metal
bulb that controls operation of the auto light switch, and does
not indicate malfunction.
Operation Guide 2696/2832 ( B )
❚ Battery Indicator
2696
2832
Level 1
All functions enabled.
Level 2
All functions enabled.
Display, display illumination,
Level 3
alarms, hourly time signal,
and signal reception disabled.
All functions, including digital
Level 4
(Off)
(Off)
timekeeping, disabled.
• "2696" and "2832" indicate module numbers.
• Exposing the watch to direct sunlight or other strong light may
cause the battery level indicator to momentarily indicate a level
that is higher than the actual battery level. Because of this, you
should wait for a short while after charging to check the battery
level indicator.
• Even if the battery level drops all the way to Level 4, you will still
be able to recharge the battery and use the watch again.
• When recharging from Level 4, set the current time and date after
the battery level recharges to Level 3. At this time you should
continue to expose the watch to light so it can charge up the Level
2 or Level 1.
❚ Start charging at Level 3!
Battery Level 3 indicates that remaining battery power is very low.
Be sure to expose the watch to light for recharging as soon as
possible after the Level 3 indicator starts to flash.
Illuminating the Display with the
Auto Light Switch
The full auto light switch automatically illuminates the display
whenever you angle the watch towards your face for reading,
but only when it is dark.
• The full auto light switch does not illuminate the display
when surrounding light is bright.
The auto light switch is very handy for reading the display in
the dark. The auto light switch illuminates the display for 1.5
seconds in all modes when you angle the watch towards your
face.
❚ To turn on the auto light switch
In any mode (except when a settings screen is on the display),
hold down the D button for about two seconds to toggle the auto
light switch on (auto light switch on indicator displayed) and off
(no indicator displayed).
Auto light switch on Indicator
❚ Charging Precautions
Avoid charging the watch in the following locations, and anywhere
else where the watch may become very hot.
• On the dashboard of an automobile parked in the sun
• Very close to an incandescent light source or other sources of
heat
• In a location exposed to direct sunlight for long periods
Note that the display panel may become black under very high
temperatures. This is temporary, and the display will appear
normal again at lower temperatures.
Depending on the light source you are using, the
case of the watch may become quite hot during
charging. Take care to guard against burn injury
after charging.
❚ To charge the battery
Point the solar panel (display) of the watch at a light source.
• Remember that even a partial blockage of the solar cell reduces
charging efficiency.
Example: Positioning the watch
Solar Cell
• The illustration shows the resin band model.
❚ To illuminate the display
1
2
With the watch on your
Rotate your arm so the watch
wrist, position it parallel
is angled at about 40 degrees,
with the ground.
so you can read its display.
• You should be wearing the watch on the outside of your wrist
when using the auto light switch.
• Make sure that the left (9 o'clock) and right
(3 o'clock) sides of the watch are within ± 15
degrees of being parallel with the ground.
The auto light switch may not operate
properly if the angle is greater.
Display Illumination Precautions
• The light may be difficult to see if you turn it on under bright
sunlight.
• If you press the B button or if an alarm operation starts while the
display is illuminated, illumination will turn off.
• You may notice a slight sound from the watch while the display is
illuminated. This is the sound of EL panel vibration, and does not
indicate malfunction.
❚ Charging Guide
Required Daily Charging Time
• The following is the daily
Starting from a full charge, the
amount of charging required
watch should be able to continue
each day to support the
operating for about nine months
operations under
without further charging under the
conditions described below.
Exposure Level
(Brightness)
Daily Use (All time values are
approximate.)
Outdoor Sunlight
(50,000 lux)
• Display Illumination: 1.5
seconds
Sunlight Through a
• Alarms: 10 seconds
Window (10,000 lux)
• Signal reception: 3 times
Daylight Through a
• Digital display: 18 hours
Window on a Cloudy
Day (5,000 lux)
Making sure the watch is regularly
Indoor Fluorescent
exposed to light ensures stable
Lighting (500 lux)
operation.
• Charge Times Required to Advance to a Higher Level
Approximate Exposure Time
Exposure Level
(Brightness)
\
\
Level 4
Level 3
Level 2
Outdoor Sunlight
2 hours
24 hours
(50,000 lux)
Sunlight Through a
6 hours
118 hours
Window (10,000 lux)
Daylight Through a
Window on a Cloudy
8 hours
— — —
Day (5,000 lux)
Indoor Fluorescent
89 hours
— — —
Lighting (500 lux)
• Note that the above charging times are for reference only. Actual
charging time depends on a variety of environmental factors.
Auto Light Precautions
• Frequent use of the auto light can run down the battery.
• The auto light switch may turn on illumination when the display of
the watch is shaded by your sleeve.
• Illumination may not turn on immediately when you angle the
watch towards your face. This does not indicate malfunction.
• Illumination remains turned on for about 1.5 seconds only, even if
you leave the watch angled towards your face.
• The display may illuminate unintentionally when you wear the
At
watch on the inside of your wrist, when you shake your arm, or
least
when you raise your arm. Be sure to turn off the auto light
o
40
switch whenever you do not need display illumination.
• Keep the auto light switch turned off whenever you are wearing
the watch on the inside of your wrist.
• Electro-static charge and magnetism can interfere with auto light
operation and even make operation impossible. If this happens,
lower your arm to the starting position and then raise it again. If
you still have trouble with display illumination, try lowering your
arm down to your side and then raise it to your face for reading.
"
Daily Use".
Approximate
Exposure Time
6 minutes
30 minutes
48 minutes
8 hour
\
Level 1
7 hours
33 hours
— — —
— — —
2
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