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Communication Errors
Watch
Message/Indicator
OTHERS SEND
ERROR
Sender
Flashing arrow
marks.
OTHERS RECEIVE
ERROR
PLAY 100 FULL
Receiver
Flashing arrow
marks.
Communication Precautions
• The two watches must be within 10cm (4 inches) and 30 degrees of each
other.
• Proper data communication may also be impossible if the two watches are
too close to each other.
• Do not move the watches while communication is in progress.
• Make sure there is nothing between the two watches that blocks the path
of the IR signal.
• Infrared communication may not be possible in areas where lighting is
bright, near a window, etc. Perform data communication under normal
room lighting (about 500 lux).
• The maximum allowable distance between watches may be less than
10cm when the watch is warm.
• An unrelated nearby IR data communication operation can interfere with
proper IR data communication between two watches.
• The maximum allowable distance between watches may be less than
10cm when watch battery power is low.
• The watch automatically returns to the COM (IR Mode) menu about five
minutes after the image selection screen or receive standby screen is
displayed. If the point where five minutes elapse occurs while a data send/
receive operation is in progress, the operation continues until it is
complete, after which the watch automatically returns to the COM menu.
POWER SUPPLY
About the Pre-installed Battery
The battery installed at the factory discharges during shipment and inventory
storage. Because of this, it may not provide the normal battery life specified
for this watch.
• It is up to you to purchase a battery for replacement, even if the battery you
are replacing does not last for the specified battery life period.
Low Battery Indication
As the battery goes low, the watch gradually disables functions to conserve
remaining power, as described below.
Step 1
Low battery indicator
The low battery indicator flashes on the display
when battery power drops below a certain
level. At this time, the following functions
FRI
3‰
become disabled.
P
• Entry to the Camera Mode
1 ‰ : 5 8
• VISUAL DATABANK Mode text input and
3 5
image data deletion
• IR Mode data communication
• Daily alarm, Hourly Time Signal, Countdown
Alarm sounds
Step 2
If you do not replace the battery within about
24 hours, the low battery indicator stops
flashing and remains on the display and the
following functions also become disabled.
• VISUAL DATABANK Mode image data
display
• Viewer Screen
Note
• Attempting to access any of the disabled functions listed in Step 1 and
Step 2 above causes the message LOW BATT to appear and let you know
that the function is not available due to low battery power.
• Note that CASIO shall not be held responsible for any damage or loss,
including but not limited to lost profits, by you or any third party due to data
deletion or modification due to malfunction, repairs, battery replacement,
etc.
Battery Precautions
Incorrectly using a battery can cause it to burst or leak, possibly damaging
the interior of the watch. Note the following precautions.
• This watch is powered by a single CR-2032 lithium battery.
• We strongly urge use of battery type specifically recommended in this
manual.
• Damage to or dirt, dust, moisture on the inside of the battery cover or on
the surface that comes into contact with the rubber seal (gasket) can cause
loss of water resistance. Keep such areas clean and free of moisture.
Cause and Remedy
• Communication failed for some reason.
Try again.
• Communication link with receiver was
broken. Re-align watches and try again.
• Communication failed for some reason.
Try again.
• Watch memory is full. Delete images
you no longer need and try again.
• Communication link with sender was
broken. Re-align watches and try again.
• Never leave a dead or weak battery in the battery compartment. Doing so
runs the risk of damage and malfunction due to battery fluid leaks.
• Be sure to dispose of old batteries according to the local laws and
regulations in your area.
• Improperly replacing the battery can result in damage to the watch.
Repairing such damage will be charged to you, so take care to replace the
battery correctly.
• Never try to take the battery apart, or expose it to heat or direct flame.
Take care that the positive and negative ends of the battery never become
shorted.
• The battery installed at the factory is not rechargeable. Never try to charge
it.
• Should battery fluid ever leak inside the battery compartment, immediately
use a dry rag to wipe it out while taking care not to get any fluid on your
hands.
Keep batteries out of the reach of small children. If accidentally
swallowed, immediately contact a physician.
To replace the battery
1. Open the battery cover.
Rotate to this
• Insert a coin or other similar object into the
point to open.
slot in the battery cover and rotate the cover
to the OPEN position.
• Do not use undue force when rotating the
battery cover. Doing so can damage the
cover.
Battery cover
2. Remove the old battery.
Gasket
• If you have trouble removing the battery, try
turning the back of the watch downwards so
it falls out.
• Take care that you do not lose the battery
compartment gasket.
• Keep your fingers away from the spring
inside the battery compartment. The sharp
edges of the spring create the risk of
personal injury.
Spring
Battery
compartment
Inside of battery cover
3. Load a new battery.
Gasket
• Wipe the surfaces of a new battery with a
dry cloth, and load the battery into the watch
with its plus (+) side facing up (so you can
see it).
• Never pick up the battery with tweezers
contacting the top surface and bottom
surface at the same time. Doing so creates
a short.
• If the gasket comes out when you remove
the battery, be sure to replace it before
loading the battery. You will not be able to
load the battery properly if the gasket is not
in place.
• Whenever replacing the gasket, check it to
make sure there is not dust or dirt on it.
• Note the triangular shape of the gasket
Battery cover
material. The flat surface (the base of the
triangle) is the bottom, which should be
against the watch body when the gasket is
installed. The pointed surface (the peak of
the triangle) is the top, which contacts the
Gasket
battery cover.
4. Close the battery cover.
Rotate to this
• Replace the battery cover, and rotate it to
point to close.
the CLOSE position using a coin or other
similar object.
2220-7
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