Casio 3423 Quick Reference Manual

© 2013 CASIO COMPUTER CO., LTD.
MA1311-EA
Quick Reference Manual 3423
Shibuya-ku, Tokyo 151-8543, Japan
Congratulations upon your selection of this CASIO watch.
To ensure that this watch provides you with the years of service for which it is designed,
carefully read and follow the instructions in this manual, especially the information under
"Operating Precautions" and "User Maintenance".
Be sure to keep all user documentation handy for future reference.
For details about watch operation, see the User's Guide for Watch Functions at the
CASIO website: http://world.casio.com/support/wat/ble/.
Bluetooth ® is a registered trademark or trademark of Bluetooth SIG, Inc. of the United
States.
Mobile Link Function
This product includes functions that allow it to communicate with Bluetooth
(referred to as "Bluetooth" in this manual) capable mobile phones and other devices, to
sound an alert tone, perform vibration alert, and display alerts when a phone call and/
or mail is received on your phone, etc. (Mobile Link Function)
 This product complies with or has received approval under radio laws in various
countries and geographic areas. Use of this product in an area where it does not
conform to or where it has not been approved under applicable radio laws may be
punishable under local laws. For details, visit http://world.casio.com/ce/BLE/.
 Use of this product inside of an aircraft is restricted by the aviation laws of each
country. Be sure to obey instructions provided by fl ight personnel concerning use of
devices such as this product.
 For Mobile Link operational procedures and a Q&A, go to the CASIO website below.
http://world.casio.com/support/wat/ble/
Features
Your watch provides you with the features and functions described below.
◆ Communication with your mobile phone
Connect with a Bluetooth enabled mobile phone and communicate with it.
For more information, visit the "User's Guide for Mobile Link Functions" page at the
CASIO website.
◆ World Time
Instantly view the current time in 100 cities around the globe.
◆ Alarms
The watch can be confi gured to sound a tone or vibrate when a preset alarm time is
reached.
◆ Stopwatch
The stopwatch measures elapsed time up to 100 hours in 1/100-second increments. Up
to 120 lap/split times can be recorded in watch memory.
◆ Timer
The timer counts down from a preset start time, and the watch sounds a tone or vibrates
when the countdown reaches zero.
◆ Data Recall
Recorded lap/split times can be recalled for viewing.
Using Modes
Each press of B cycles between modes as shown in the illustration below.
Timekeeping Mode
2 2
B* B*
Control Mode* 1
*1 For information about the Control Mode and Setup Mode, visit the CASIO website at:
http://world.casio.com/support/wat/ble/.
*2 Hold down B for about three seconds.
Specifi cations
±
Accuracy : 15 seconds a month
at normal
temperature
Basic : Hour, minutes, seconds; a.m./p.m. (P); 12/24-hour timekeeping
Functions format; Month, day, day of the week; Full auto calendar (2000 to 2099);
Summer time setting
World Time : Current time in 100 cities (35 time zones) + UTC (Universal Coordinated
Time) time display; Summer time setting
Alarms and : Alarms
Hourly Time 5 alarms (daily or one-time), with 1 snooze alarm
Signal Setting units: Hour, minute
Tone or vibration alert: 10 seconds
Hourly time signal
CASIO COMPUTER CO., LTD. Printed in China
Imprimé en Chine
6-2, Hon-machi 1-chome
Gedruckt in China
MA1311-A
Stopwatch Mode
B B
B
Setup Mode* 1 World Time Mode
B
Timer Mode
B
*1 For information about the Control Mode and Setup Mode, visit the CASIO website at:
http://world.casio.com/support/wat/ble/.
ENGLISH
*2 Hold down B for about three seconds.
 Even if a watch is water-resistant, avoid wearing it in the bath or in areas where
Specifi cations
detergents (soap, shampoo, etc.) are being used. Such conditions can reduce water
resistance.
 After submersion in seawater, use plain water to rinse all salt and dirt from the watch.
Accuracy
 To maintain water resistance, have the gaskets of your watch replaced periodically
at normal
(about once every two or three years).
temperature
 A trained technician will know how to check your watch for proper water resistance
Basic
whenever you have its battery replaced. Battery replacement requires the use of
Functions
special tools. Always request battery replacement from your original retailer or from an
authorized CASIO Service Center.
 Some water-resistant watches come with fashionable leather bands. Avoid swimming,
World Time
washing, or any other activity that causes direct exposure of a leather band to water.
 The inside surface of the watch glass may fog when the watch is exposed to a sudden
drop in temperature. No problem is indicated if the fogging clears up relatively quickly.
Alarms and
If the fogging does not clear or if water has gotten into the watch, take it in for repair
Hourly Time
immediately.
Signal
 Continued use of the watch with water inside can result in damage to electronic and
®
4.0
mechanical components, the face of the watch, etc.
 Your water-resistant watch has been tested in accordance with the International
Organization for Standardization regulations ISO2281 and FTC (USA) "GUIDE FOR
THE WATCH INDUSTRY." Guide 5.
Stopwatch,
Lap/Split
Band
Recall
 Tightening the band too tightly can cause you to sweat and make it diffi cult for air
Countdown
to pass under the band, which can lead to skin irritation. Do not fasten the band too
Timer
tightly. There should be enough room between the band and your wrist so you can
insert your fi nger.
 Deterioration, rust, or corrosion of the band can cause it to break, which may result
in the watch falling off your wrist and becoming lost. Be sure to take good care of the
Mobile Link
band and keep it clean. Should you notice any breakage, discoloration, looseness
Functions
or other problem with the band, immediately contact your original retailer or an
authorized CASIO Service Center to have it checked, repaired, or replaced. Note that
you will be charged for any repair or replacement of the band.
Temperature
 Never leave the watch on the dashboard of a car, near a heater, or in any other
location that is subject to very high temperatures. Do not leave the watch where it will
be exposed to very low temperatures, either. Temperature extremes can cause the
watch to lose or gain time, to stop, or otherwise malfunction.
 Leaving the watch in an area hotter than +60°C (140°F) for long periods can lead to
problems with its LCD. The LCD may become diffi cult to read at temperatures lower
than 0°C (32°F) and greater than +40°C (104°F).
Other
Impact
 Your watch is designed to withstand impact incurred during normal daily use and light
activity such as playing catch, tennis, etc. Dropping the watch or otherwise subjecting
it to strong impact, however, can lead to malfunction.
Battery
Note that watches with shock-resistant designs (G-SHOCK, Baby-G, G-ms) can be
worn while operating a chain saw or engaging in other activities that generate strong
Approximate
vibration, or while engaged in strenuous sports activities (motocross, etc.).
Battery Life
Magnetism
 Though your watch normally is not affected by magnetism, very strong magnetism
(from medical equipment, etc.) should be avoided because it can cause malfunction
and damage to electronic components.
Electrostatic Charge
 Exposure to very strong electrostatic charge can cause the watch to display the wrong
time. Very strong electrostatic charge even can damage electronic components.
 Electrostatic charge can cause the display to go blank momentarily or cause a rainbow
effect on the display.
Chemicals
 Do not allow the watch to come into contact with thinner, gasoline, solvents, oils, or
fats, or with any cleaners, adhesives, paints, medicines, or cosmetics that contain
such ingredients. Doing so can cause discoloration of or damage to the case, resin
band, leather band, and other parts.
Recall Mode
Storage
 If you do not plan to use the watch for a long time, wipe it thoroughly free of all dirt,

Operating Precautions

sweat, and moisture, and store it in a cool, dry place.
Water Resistance
Resin Components
 The following applies to watches with WATER RESIST or WATER RESISTANT marked
 Allowing the watch to remain in contact with other items or storing it together with
on the back cover.
other items for long periods while it is wet can cause the color of the other items to
transfer to the resin components of the watch. Be sure to dry off the watch thoroughly
B
before storing it and make sure it is not in contact with other items.
 Leaving the watch where it is exposed to direct sunlight (ultraviolet rays) for long
periods or failure to clean dirt from the watch for long periods can cause it to become
discolored.
 Friction caused by certain conditions (frequent external force, sustained rubbing,
Marking
impact, etc.) can cause discoloration of painted components.
 If there are printed fi gures on the band, strong rubbing of the printed area can cause
discoloration.
Example of
 Failure to clean dirt from the watch for long periods can cause fl uorescent color to
Daily Use
fade. Wash dirt off with water as soon as possible and then dry the watch.
 Semi-transparent resin parts can become discolored due to sweat and dirt, and if
exposed to high temperatures for long periods.
B
 Contact an authorized CASIO Service Center to have resin components replaced. Note
 Do not use this watch for scuba diving or other types of diving that requires air tanks.
that you will be charged for replacement costs.
 Watches that do not have WATER RESIST or WATER RESISTANT marked on the back
Alarm Mode
cover are not protected against the effects of sweat. Avoid using such a watch under
Natural Leather and Imitation Leather Bands
conditions where it will be exposed to large amounts of sweat or moisture, or to direct
 Allowing the watch to remain in contact with other items or storing it together with
splashing with water.
other items while it is wet for long periods can cause the color of the other items to
 Even if a watch is water-resistant, do not operate its buttons or crown while it is
transfer to the natural leather or imitation leather band of the watch. Be sure to dry submersed in water or wet.
off the watch thoroughly before storing it and make sure it is not in contact with other
items.
 Leaving a leather band where it is exposed to direct sunlight (ultraviolet rays) for long
periods or failure to clean dirt from a leather band for long periods can cause it to
become discolored.
Important!
 Subjecting a natural leather or imitation leather band to rubbing or dirt can cause color
transfer and discoloration.
Metal Components
 Failure to clean dirt from a metal band can lead to formation of rust, even if the band is
stainless steel or plated. If the watch is exposed to sweat or water, wipe it thoroughly
with a soft, absorbent cloth and then store it in a well-ventilated location to dry.
 To clean the band, use a soft toothbrush or similar tool to scrub it with a weak solution
of water and a mild neutral detergent. Take care to avoid getting solution on the watch
case.
Bacteria and Odor Resistant Band
 The bacteria and odor resistant band protects against odor generated by the formation
of bacteria from sweat, which ensures good comfort and hygiene. In order to ensure
maximum bacteria and odor resistance, keep the band clean. Use an absorbent soft
cloth to wipe the band clean of dirt, sweat, and moisture. The bacteria and odor
resistant band suppresses the formation of organisms and bacteria. It does not protect
against rash due to allergic reaction, etc.
Display
Timer Mode
±
: 15 seconds a month
: Hour, minutes, seconds; a.m./p.m. (P); 12/24-hour timekeeping
format; Month, day, day of the week; Full auto calendar (2000 to 2099);
Summer time setting
: Current time in 100 cities (35 time zones) + UTC (Universal Coordinated
Time) time display; Summer time setting
: Alarms
5 alarms (daily or one-time), with 1 snooze alarm
Setting units: Hour, minute
Tone or vibration alert: 10 seconds
Hourly time signal
Beeps or vibrates every hour on the hour
: Measuring unit: 1/100 second
Measuring capacity: 99:59'59.99" (100 hours)
Lap/split memory (120 records)
: Countdown unit: 1/10 second
Countdown range: 100 hours
Setting unit: 1 second
Time up alert: 10-second tone or vibration
: Time Correction
Auto correction/manual correction
Alert
Tone and/or vibration alert for incoming calls, incoming mail, incoming
SNS, calendar alert, etc.
Information display (last received information)
Phone fi nder
Watch operation sounds the alert sound of the mobile phone.
Data Communication Specifi cations
® ®
Bluetooth v4.0 (Bluetooth low energy technology compatible)
Data rate: 1 Mbps
Transmission output: 0 dBm (1 mW)
Communication range: 2 meters max. (depends on environment)
Encryption: 128 bit AES
: Low battery alert; Auto return to Timekeeping Mode; Power Saving;
Vibration alert; Tap function; High-brightness LED light; Auto Light;
Selectable illumination duration; Operation tone on/off
: One lithium battery (Type: CR2032)
: 2 years
Usage Conditions

Mobile Link operation: 12 hours/day
 Control function: 2 hours/day

Incoming call alert: 3 times (tone and vibration for 2 seconds)/day
 Incoming mail, other alerts: 10 times (tone only for 2 seconds)/day
 Illumination: Once (1.5 seconds)/day

Alarm: Once (tone only for 10 seconds)/day
Approximate battery life can be shortened by more frequent operation.
For details about battery replacement, see the User's Guide for Watch
Functions at the CASIO website.
Leaving Auto Light enabled can run down the watch's battery due to
frequent display illumination.
Enhanced Water Resistance Under Daily
Water
Use
Resistance
Under Daily
5
Use
Atmospheres
On watch front or on No
5BAR
back cover BAR mark
Hand washing, rain Yes Yes
Water-related work,
No Yes
swimming
Windsurfi ng No No
Skin diving No No
 Contact an author
that you will be ch
Alarm Mode
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Bluetooth
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Mobile Link-Funktion
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become discolore
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◆ Alarme
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◆ Stoppuhr
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◆ Timer
 Should your band
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wenn der Countdown Nu
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◆ Datenabruf
 Remember that yo
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 Even if the surface
Uhrzeitmodus
sleeves of clothing
Premature Wear
 Leaving sweat or
can lead to prema
Skin Irritation
 Individuals with se
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a rash or other ski
professional.
2
B*
Battery Replacem
 Leave battery repl
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 Have the battery r
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 When replacing th
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 The battery that c
and performance
 This type of test b
as noted in the Us
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Atmospheres Atmospheres
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10BAR 20BAR
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Mobile Link-
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