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Citizen C900 User Manual

Citizen C900
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CAUTION
-
Diving Precautions
<Before Diving>
Check that the display of the watch is in a mode other than the altitude mea-
surement mode or chronograph measurement mode.
Check that “ER” or “CHEk” is not displayed on the digital display.
Check that the crown is firmly pressed in and screwed in to the lock position.
Check that the band is securely fastened to the watch body.
Check that there are no cracks, chips or other abnormalities in the watch
band or glass.
Check that the rotating bezel rotates normally.
Check that the time and date are set correctly.
Check that the water depth alarm and dive time alarm are set correctly.
Check that the second hand is moving properly.
* If the second hand is moving at two-second intervals, this indicates that the
battery is nearly worn down. Please have the battery replaced at a Citizen
Service Center.
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PROHIBITED: Prohibited Uses During Diving
Do not use this watch for diving under the following conditions:
When the low battery warning function has been activated
•••The second hand of the watch moves at two-second intervals when the
battery level becomes low.
When the watch stops or when an abnormality occurs (please be careful not
to bump the watch on diving equipment, rocks or other hard objects).
When the water depth measurement function is used outside the guaranteed
temperature range or at high altitudes
•••The temperature range over which the water depth measurement accuracy
of this watch is guaranteed is +10°C to +40°C.
•••Water depth cannot be measured at altitudes more than 4,000 m above
sea level.
When behavior or the situation is judged to be dangerous
•••This watch is not made to be used as a preventive or emergency device
for shipwrecks or other maritime accidents.
When the watch is used in atmospheres containing helium gas (such as dur-
ing saturated diving)
•••Use of the watch under these conditions can cause failure or damage to
the watch.
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Citizen C900 Specifications

General IconGeneral
BrandCitizen
ModelC900
CategoryWatch
LanguageEnglish

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