Casio 5678 Operation Manual Download Page 2

Precautions

Operating Precautions

Water Resistance

The information below applies to watches
with WATER RESIST or WATER
RESISTANT marked on the back cover.

Water Resistance Under Daily Use

Marking on watch front or on
back cover

No BAR

mark

Example of Daily Use

Hand washing, rain

Yes

Water-related work, swimming

No

Windsurfing

No

Skin diving

No

Enhanced Water Resistance Under Daily
Use
5 Atmospheres

Marking on watch front or on
back cover

5BAR

Example of Daily Use

Hand washing, rain

Yes

Water-related work, swimming

Yes

Windsurfing

No

Skin diving

No

10 Atmospheres

Marking on watch front or on
back cover

10BAR

Example of Daily Use

Hand washing, rain

Yes

Water-related work, swimming

Yes

Windsurfing

Yes

Skin diving

Yes

20 Atmospheres

Marking on watch front or on
back cover

20BAR

Example of Daily Use

Hand washing, rain

Yes

Water-related work, swimming

Yes

Windsurfing

Yes

Skin diving

Yes

Do not use your watch for scuba diving or
other types of diving that requires air tanks.

Watches that do not have WATER RESIST
or WATER RESISTANT marked on the
back cover are not protected against the
effects of sweat. Avoid using such a watch
under conditions where it will be exposed to
large amounts of sweat or moisture, or to
direct splashing with water.

Even if a watch is water resistant, note the
usage precautions described below. Such
types of use reduce water resistance
performance and can cause fogging of the
glass.

ー 

Do not operate the crown or buttons while
your watch is submersed in water or wet.

ー 

Avoid wearing your watch while in the
bath.

ー 

Do not wear your watch while in a heated
swimming pool, sauna, or any other high
temperature/high humidity environment.

ー 

Do not wear your watch while washing
your hands or face, while doing
housework, or while performing any other
task that involves soaps or detergents.

After submersion in seawater, use plain
water to rinse all salt and dirt from your
watch.

To maintain water resistance, have the
gaskets of your watch replaced periodically
(about once every two or three years).

A trained technician will inspect your watch
for proper water resistance whenever you
have its battery replaced. Battery
replacement requires the use of 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, 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. Sudden and extreme temperature
changes (such as coming into an air
conditioned room in the summer and
standing close to an air conditioner outlet,
or leaving a heated room in the winter and
allowing your watch to come into contact
with snow) can cause it to take longer for
glass fogging to clear up. If glass fogging
does not clear up or if you notice moisture
inside of the glass, immediately stop using
your watch and take it to your original
retailer or to an authorized CASIO service
center.

Your water-resistant watch has been tested
in accordance with International
Organization for Standardization
regulations.

Band

Tightening the band too tightly can cause
you to sweat and make it difficult for air to
pass under the band, which can lead to skin
irritation. Do not fasten the band too tightly.
There should be enough room between the
band and your wrist so you can insert your
finger.

Deterioration, rust, and other conditions can
cause the band to break or come off of your
watch, which in turn can cause band pins to
fly out of position or to fall out. This creates
the risk of your watch falling from your wrist
and becoming lost, and also creates the risk
of personal injury. Always take good care of
your band and keep it clean.

Immediately stop using a band if you even
notice any of the following: loss of band
flexibility, band cracks, band discoloration,
band looseness, band connecting pin flying
or falling out, or any other abnormality. Take
your watch to your original retailer or to a
CASIO service center for inspection and
repair (for which you will be charged) or to
have the band replaced (for which you will
be charged).

Watch Operation Guide 5678

2

Summary of Contents for 5678

Page 1: ...cking the Current Altitude Calibrating Altitude Readings Offset Checking the Altitude Differential from a Reference Point Setting the Auto Measurement Interval Recording Altitude Readings Specifying t...

Page 2: ...inspect your watch for proper water resistance whenever you have its battery replaced Battery replacement requires the use of special tools Always request battery replacement from your original retail...

Page 3: ...ther with other items for long periods while it is wet can cause color on resin components to transfer to the other items or the color of the other items to transfer to the resin components of your wa...

Page 4: ...t or soap For a resin band wash with water and then wipe dry with a soft cloth Note that sometimes a smudge like pattern may appear on the surface of a resin band This will not have any effect on your...

Page 5: ...erence only Whenever using the Digital Compass of this watch for serious trekking mountain climbing or other activities be sure to always take along another compass to confirm readings If the readings...

Page 6: ...indicates altitude barometric pressure differential K Displayed when an alarm is turned on L Appears when the hourly time signal is on M Displayed when the indicated time is summer time N Displayed w...

Page 7: ...e at 12 o clock Barometer Mode Use this mode to take barometric pressure readings at your current location l Barometric Pressure Measurement Remeasure Display screen navigation A Barometric pressure d...

Page 8: ...rd Fast Reverse Second click First click Normal timekeeping Crown After pullingoutthe crowntothefirstorsecond click rotating it quickly in succession in either direction will start a fast forward or f...

Page 9: ...igh temperatures This is temporary and the display will return to normal at lower temperatures Checking the Charge Level A display indicator shows the watch s charge level when you enter the Timekeepi...

Page 10: ...exit power saving Press any button Move the watch to a bright location Trigger auto light by angling the watch towards your face Note The watch will not enter power saving in the cases below While in...

Page 11: ...auses CITY to flash on the display and the second hand to move to the current Home City Second hand Home City Crown 3 Press B four times LIGHT appears on the display with 1 or 3 flashing 4 Rotate the...

Page 12: ...eption range of the U K and German time signals is approximately 1 500 km from each transmission station Note Even if you are within the normal reception range of a time calibration signal reception m...

Page 13: ...s are affected by weather the time of day the surrounding environment etc Checking the Last Time Adjustment Result 1 Enter the Receive Mode l Navigating Between Modes This displays the date and time o...

Page 14: ...me ON The watch always indicates summer time 6 Push the crown back in to complete the setting operation Note If you do not perform any operation for about two minutes after pulling out the crown crown...

Page 15: ...H to flash on the display 4 Rotate the crown to select 12H 12 hour timekeeping or 24H 24 hour timekeeping Crown 5 Push the crown back in to complete the setting operation Note If you do not perform an...

Page 16: ...it out again While UTC is selected as the city you will not be able to change or check the summer time setting Specifying UTC Coordinated Universal Time as Your World Time City To set UTC Coordinated...

Page 17: ...while the hourly time signal is enabled Turning Off an Alarm or the Hourly Time Signal To stop an alarm or the hourly time signal from sounding perform the steps below to turn it off To have an alarm...

Page 18: ...operation is in progress If an alarm or other beeper sounds or if you turn on illumination by pressing L while a compass operation is in progress the compass operation will be suspended momentarily T...

Page 19: ...Example For an angle of 7 4 set 7 Example For an angle of 7 40 7 degrees 40 minutes set 8 Note Magnetic declination angles east or west and angle degree values for specific locations can be found on...

Page 20: ...ude elevation indications l Calibrating Altitude Readings Offset Check the information at the link below to find out about how to minimize differences between readings produced by the watch and values...

Page 21: ...the Altitude Offset Mode Crown 3 Rotate the crown to calibrate the displayed value to that of a local altitude elevation marker Setting range 3 000 to 10 000 meters Setting unit 1 meter To return the...

Page 22: ...le Altitude differential of 30 m 98 feet 300 m 984 feet 100 50 0 50 100 Altitude differential indicator Unit m Range 100 m 1000 m 328 feet 3280 feet Note You can toggle between the two second hand fun...

Page 23: ...ch is in the Altitude Mode One record each is maintained in memory for each of these items A B C D F E End point Start point High Altitude MAX E Low Altitude MIN F Cumulative Ascent ASC A C Cumulative...

Page 24: ...how to ensure correct readings l Calibrating Barometric Pressure Readings Offset l Barometric Pressure Reading Precautions Checking the Current Barometric Pressure 1 Enter the Barometer Mode l Naviga...

Page 25: ...9 inHg 10 5 0 5 10 Pressure Differential Indicator Range 10 hPa 1 hPa units Unit hPa Note You can toggle between the two second hand functions by pressing D l Checking the Current Barometric Pressure...

Page 26: ...e value you use for calibration produces correct pressure readings 1 Enter the Barometer Mode l Navigating Between Modes 2 Pull out the crown This displays the current barometric pressure and enters t...

Page 27: ...ng the Current Temperature 1 Enter the Temperature Mode l Navigating Between Modes Entering the Temperature Mode will start temperature measurement and display the result After you enter the Temperatu...

Page 28: ...become disabled If that happens push the crown back in and then pull it out again Specifying the Temperature Measurement Unit You can select either Celsius C or Fahrenheit F as the temperature display...

Page 29: ...eeds 99 999 m 327 995 feet it will revert to 0 and continue from there Pressing D returns to the top screen record number DSC ASC MAX or MIN of the data that you are viewing If you do not perform any...

Page 30: ...asure split times Measuring Elapsed Time 1 Enter the Stopwatch Mode l Navigating Between Modes 2 Use the operations below to measure elapsed time A A A A Stop Resume Stop Start Hours minutes seconds 1...

Page 31: ...eper will sound for 10 seconds to let you know when the end of a countdown is reached You can reset a paused countdown to its start time by pressing C 3 Press any button to stop the tone Hand Alignmen...

Page 32: ...he tone that sounds when you press a button 1 Enter the Timekeeping Mode l Navigating Between Modes 2 Pull out the crown This causes CITY to flash on the display and the second hand to move to the cur...

Page 33: ...in the above table is current as of January 2021 Time zones may change and UTC differentials may become different from those shown in the table above Specifications Accuracy 15 seconds per month aver...

Page 34: ...and LED backlight for LCD with Full Auto Light Super Illuminator afterglow afterglow duration setting 1 5 seconds 3 seconds alarm testing automatic hand position correction power saving charge level b...

Page 35: ...at you regularly calibrate its readings in accordance with local altitude elevation indications l Calibrating Altitude Readings Offset Q2 Following a relative altitude reading the watch s second hand...

Page 36: ...onfigure the alarm settings l Configuring Alarm Settings Q2 The hourly time signal does not sound Is the watch s battery charged Keep the watch exposed to light until it recharges sufficiently l Charg...

Page 37: ...rown operations l Using the Crown Charging Q1 The watch does not work even though it is exposed to light The watch stops operating whenever the battery goes dead Keep the watch exposed to light until...

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