Casio 5242 User Manual

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MO1205-EA

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Operation Guide 5242

Congratulations upon your selection of this CASIO watch.

Applications

Built-in sensors are used to take direction, barometric pressure, temperature, and altitude readings, which are displayed by the hands of the watch. Such features make this watch useful when hiking, mountain climbing, or when engaging in other such outdoor activities.

• The measurement functions built into this watch are not intended for taking measurements that

require professional or industrial precision. Values produced by this watch should be considered as reasonable representations only.

•

When engaging in mountain climbing or other activities in which losing your way can create a dangerous or life-threatening situation, always use a second compass to conﬁ rm direction readings.

• Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss

suffered by you or any third party arising through the use of this product or its malfunction.

ENGLISH

Warning !

E-1

About This Manual

Operations are performed using the watch’s crown, and the four buttons indicated by the letters A,B,C and L in this manual.

Crown30Crown

Hands and Date Indicator

Hour Hand

E-2

To pull the crown out

To rotate the crown

To start high-speed hand movement

After loosening the crown, pull it out.

• The watch will beep when you pull the crown out.

Rotating the crown after you pull it out will move the watch’s hands. You also can move the hands at high speed by performing the operation described below.

With the crown pulled out, rotate the crown more than once in the direction that you want to move the hands. When you release the crown, the hands will start to move at high speed.

Minute Hand Second Hand Mode Hand (Indicates the day of the week in the Timekeeping Mode.) Day Indicator

This User’s Guide uses the numbers shown above to identify watch hands and indicators. Note that the product illustrations in this manual are intended for reference only, and so the actual product may appear somewhat different than depicted by an illustration.

Using the Crown

You can use the crown to perform a number of different operations, and to change the settings of the watch.

To lock the crown

Outer ringOuter ring

Important!

• You should normally have the crown locked during normal daily use. Leaving the crown unlocked

creates the risk of unintended operations or even damage due to impact.

To unlock the crown

Inner ringInner ring

To push the crown in

Note

If you do not perform any operation for about two or three minutes after pulling out the crown, crown operations will become disabled automatically. If this happens, push the crown back in and then pull it out again to re-enable crown operations.

To lock the crown, gently push in as you rotate it away from you. Lock the crown ﬁ rmly by rotating until its inner ring is no longer visible.

Rotate the crown towards you until it is completely loosened. When the crown is loosened completely, you will be able to see its inner ring as shown in the nearby illustration.

Push the crown back in.

• The watch will beep when you push the crown back in.

E-3

To stop high-speed hand movement

E-4

Rotate the crown towards you or press any button.

Note

High-speed hand movement is available in the Timekeeping Mode, when setting a time in the Alarm Mode, and when correcting day indicator settings.

Things to check before using the watch

1. With the crown locked, hold down B for at least two seconds to enter the Timekeeping Mode. Observe the movement of the

Second Hand

Is the

Second Hand

Is the

or is it stopped completely?

Power is low. Charge the watch by placing it in a location where it is exposed to light. For details, see “Charging the Watch” (page E-11).

2. Check the Home City.

Use the procedure under “To conﬁ gure Home City settings” (page E-27) to conﬁ gure your Home City.

Important!

Proper time calibration signal reception depends on correct Home City, time, and date settings. Make sure you conﬁ gure these settings correctly.

E-6

Second Hand

moving smoothly at one-second intervals?

NO YES

jumping at two-second intervals

YES

The watch is charged. For details about charging, see “Charging the Watch” (page E-11).

Go to step 2.

3. Set the current time.

To set the time using a time calibration signal

•

See “To get ready for a receive operation” (page E-18).

To set the time manually

•

See “Conﬁ guring Current Time and Date Settings Manually” (page E-31).

The watch is now ready for use.

• For details about the watch’s radio controlled timekeeping feature, see “Radio Controlled Atomic

Timekeeping” (page E-16).

E-5

E-7

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Operation Guide 5242

Contents

E-2 About This Manual

E-3 Using the Crown

E-3 To lock the crown E-3 To unlock the crown E-4 To pull the crown out E-4 To rotate the crown E-4 To start high-speed hand movement E-4 To stop high-speed hand movement E-5 To push the crown in

E-6 Things to check before using the watch

E-11 Charging the Watch

E-15 To recover from the sleep state

E-16 Radio Controlled Atomic Timekeeping

E-18 To get ready for a receive operation E-20 To check the result of the latest receive operation E-20 To perform Manual Receive E-21 To turn auto receive on or off

E-23 Mode Reference Guide

E-8

E-62 Specifying Altitude, Barometric Pressure, and Temperature Units

E-62 To specify altitude, barometric pressure, and temperature units

E-63 Using the Alarm

E-63 To change the alarm time setting E-64 To turn the alarm on or off E-64 To stop the alarm

E-65 Using the Stopwatch

E-65 To perform elapsed time measurement

E-66 Adjusting Home Positions

E-67 To trigger auto hand home position adjustment manually E-68 To adjust the Day Indicator home position

E-69 Illumination

E-69 To turn on illumination manually E-69 To change the illumination duration E-71 To enable or disable the auto light switch

E-73 Troubleshooting

E-80 Speciﬁ cations

E-27 Conﬁ guring Home City Settings

E-27 To conﬁ gure Home City settings E-29 To select Auto or Manual Standard Time/Daylight Saving Time Switching

E-31 Conﬁ guring Current Time and Date Settings Manually

E-31 To change the current time setting manually E-33 To change the current date setting manually

E-35 Taking Direction Readings

E-35 To take a direction reading E-37 To perform bidirectional calibration E-38 To perform northerly calibration E-40 To set a map

E-42 Taking Altitude Readings

E-44 To take an altitude reading E-46 To calibrate the altitude sensor reading

E-51 Taking a barometric pressure reading

E-52 To take a barometric pressure reading E-55 To show and hide barometric pressure differential E-56 To calibrate the Barometric Pressure Sensor Reading

E-58 Taking Temperature Readings

E-59 To take a temperature reading E-60 To calibrate the temperature sensor reading

Charging the Watch

The face of the watch is a solar panel that generates power from light. The generated power charges a built-in rechargeable battery, which powers watch operations. The watch charges whenever it is exposed to light.

Charging Guide

Whenever you are not wearing the watch, be sure to leave it in a location where it is exposed to light.

• Best charging performance is

achieved by exposing the watch to light that is as strong as possible.

Warning! Leaving the watch in bright light for charging can cause it to become quite hot. Take care when handling the watch to avoid burn injury. The watch can become particularly hot when exposed to the following conditions for long periods.

• On the dashboard of a car parked in direct sunlight

• Too close to an incandescent lamp

• Under direct sunlight

When wearing the watch, make sure that its face is not blocked from light by the sleeve of your clothing.

• The watch may enter a sleep state

(page E-15) if its face is blocked by your sleeve even only partially.

E-9

E-10

Important!

• Keep the watch in an area normally exposed to bright light when storing it for long periods. This helps

to ensure that power does not run down.

• Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is

blocked from exposure to light can cause power to run down. Make sure that the watch is exposed to bright light whenever possible.

Power Levels

Jumps at two-second

Jumps at two-second intervals

intervals

E-12

You can get an idea of the watch’s power level by observing the movement of the

• If the

power is at Level 1.

• If the

Level 2, which is quite low. Expose the watch to light as soon as possible so it can charge (Low battery alert).

Second Hand

in the Timekeeping Mode.

is moving smoothly at one-second intervals,

is jumping at two-second intervals, power is at

Charging Times

Exposure Level (Brightness)

Outdoor sunlight (50,000 lux) 8 minutes 3 hours 31 hours

Window sunlight (10,000 lux) 30 minutes 7 hours 113 hours

Window sunlight on cloudy day (5,000 lux) 48 minutes 11 hours 184 hours

Indoor ﬂ uorescent lighting (500 lux) 8 hours 115 hours – – –

*1 Approximate exposure each day to generate power for normal daily operation. *2 Approximate exposure to take power up one level.

• The above times are for reference only. Actual times depend on lighting conditions.

• For details about the operating time and daily operating conditions, see the “Power Supply” section of

the Speciﬁ cations (page E-83).

Daily

Operation *1

Level Change *2

Level 3 Level 2 Level 1

E-11

Level Hand Movement Function Status

1 Normal. All functions enabled

Second Hand

date changing.

All hands stop at 12 o’clock.

• When power drops to Level 3, all functions will be disabled but the watch will continue to keep time

internally for about one week. If you recharge the battery sufﬁ ciently during this period, the hands will move automatically to the correct setting and regular timekeeping will resume. After one week, all settings (including timekeeping) will be cleared. Recharging the battery will reset all settings to their initial factory defaults.

Power Recovery Mode

The watch is designed to go into a power recovery mode that temporarily disables functions whenever power suddenly drops below a certain level due to overuse of sensors, illumination, and/or the alarm tone over a short period. All watch operations are disabled in the power recovery mode. The hands will move to the correct positions and the watch will resume normal operation after power recovers (in about 15 minutes). Putting the watch in a location where it is exposed to light will help power to recover sooner.

Power Saving

Power Saving enters a sleep state automatically whenever the watch is left for a certain period in an area where it is dark. The table below shows how watch functions are affected by Power Saving.

• There actually are two sleep state levels: “second hand sleep” and “function sleep”.

Elapsed Time in Dark Operation

60 to 70 minutes (second hand sleep)

6 or 7 days (function sleep)

• The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep

state when 6:00 AM arrives, however, it will remain in the sleep state.

• The watch will not enter a sleep state while it is in the Stopwatch Mode.

To recover from the sleep state

Move the watch to a well-lit area, perform any button operation, perform a crown operation (pull-out, rotate), or move your hand to an angle that causes an Auto Light operation.

jumps at two-second intervals.

Day indicator

changes to 1 at the time of normal

changes to 1.

Illumination, beeper, sensors, time calibration signal reception, home position adjustment all disabled.

All functions disabled

Second Hand

•

• All other functions enabled.

• All functions, including timekeeping, disabled.

• All hands stopped at 12 o’clock.

• Only the

stopped at 12 o’clock.

Day Indicator

operates normally.

E-13

E-14

E-15

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Operation Guide 5242

Radio Controlled Atomic Timekeeping

This watch receives a time calibration signal and updates its time setting accordingly. However, when using the watch outside of areas covered by time calibration signals, you will have to adjust the settings manually as required. See “Conﬁ guring Current Time and Date Settings Manually” (page E-31) for more information.

This section explains how the watch updates its time settings when the city code selected as the Home City is in Japan, North America, Europe, or China, and is one that supports time calibration signal reception.

If your Home City Code setting is this:

LON (LONDON), PAR (PARIS), ATH (ATHENS) Anthorn (England), Mainﬂ ingen (Germany)

HKG (HONG KONG) Shangqiu City (China)

TYO (TOKYO) Fukushima (Japan), Fukuoka/Saga (Japan)

NYC (NEW YORK), CHI (CHICAGO), DEN (DENVER), LAX (LOS ANGELES), ANC (ANCHORAGE), HNL (HONOLULU)

Important!

• The areas covered by

signal transmitters, so certain conditions may cause reception problems.

E-16

• Signal reception may not be possible at the distances noted below during certain times of the year or

day. Radio interference may also cause problems with reception. – Mainﬂ ingen (Germany) or Anthorn (England) transmitters: 500 kilometers (310 miles) – Fort Collins (United States) transmitter: 600 miles (1,000 kilometers) – Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles) – Shangqiu (China) transmitter: 500 kilometers (310 miles)

• As of December 2010, China does not use Daylight Saving Time (DST). If China does go to the Daylight

Saving Time system in the future, some functions of this watch may no longer operate correctly there.

• Using this watch in a country covered by a time calibration signal that is different from the countries it

supports may result in incorrect time indication due to local application of summer time, etc.

• When using this watch in an area where time calibration signal reception is not possible, you can adjust

the time and date manually.

To get ready for a receive operation

1. Place the watch in a location where signal reception is good.

HNL (HONOLULU

12 o’clock

The watch can receive the signal from the transmitter located here:

Fort Collins, Colorado (United States)

ANC (ANCHORAGE

) and

• Position the watch as shown in the nearby illustration,

with 12 o’clock pointed towards a window. Make sure there are no metal objects nearby.

• Signal reception normally is better at night.

• The receive operation takes from three to eight minutes,

but in some cases it can take as long as 16 minutes. Take care that you do not perform any button operation or move the watch during this time.

) are quite far from the calibration

Approximate Reception Ranges

UK and German Signals

Anthorn

500 kilometers

1,500 kilometers

The Anthorn signal is receivable within this area.

500 kilometers

Fukuoka/Saga

Mainﬂingen

Fukushima

1,000 kilometers

North American Signal

2,000 miles (3,000 kilometers)

600 miles (1,000 kilometers)

Fort Collins

Chinese SignalJapanese Signals

500 kilometers Changchun

1,500 kilometers

Beijing

Shangqiu

Shanghai Chengdu Hong Kong

E-17

• Signal reception may be difﬁ cult or even impossible under the conditions described below.

Inside or among buildings

2. What you should do next depends on whether you are using Auto Receive or Manual Receive.

• Auto Receive: Leave the watch over night in the location you selected in step 2. See “Auto Receive”

for details.

• Manual Receive: Perform the operation under “To perform manual receive”.

Auto Receive

• With Auto Receive, the watch performs the receive operation each day automatically up to six times (up

to ﬁ ve times for the Chinese calibration signal) between the hours of midnight and 5 a.m. When any receive operation is successful, none of the other receive operations for that day are performed.

• When a calibration time is reached, the watch will perform the receive operation. The receive operation

is not performed if a calibration time is reached while you are conﬁ guring settings.

Inside a vehicle Near household

appliances, ofﬁ ce equipment, or a mobile phone

Near a construction site, airport

Near hightension power lines

Among or behind mountains

E-18

To check the result of the latest receive operation

3030

To perform Manual Receive

3030

E-20

Radio-controlled Atomic Timekeeping Precautions

• Time calibration signal reception is performed automatically while the watch is in the Timekeeping

Mode.

• Strong electrostatic charge can result in the wrong time setting.

• Even if a receive operation is successful, certain conditions can cause the time setting to be off by up

to one second.

• The watch is designed to update the date automatically for the period from January 1, 2000 to

December 31, 2099. Updating of the date by signal reception will no longer be performed starting from January 1, 2100.

• If you are in an area where signal reception is not possible, the watch keeps time with the precision

noted in “Speciﬁ cations” (page E-80).

• The receive operation is disabled under any of the following conditions.

– While power is at Level 2 or lower (page E-12) – While the watch is in the power recovery mode (page E-13) – While the watch is in the function sleep state (power saving, page E-15)

• A receive operation is cancelled if an alarm sounds while it is being performed.

UseB to select the Receive Mode (

Mode Hand

• The

was successful, or N (NO) if it was not.

Note

Second Hand

The

date setting manually since the latest receive operation.

will move to

Second Hand

will move to Y (YES) if the latest receive operation

will indicate N (NO) if you have adjusted the time or

1. Use B to select the Receive Mode (

2. In the Receive Mode (

• The ccSecond Hand will indicate R (READY) while the watch is

getting ready to receive a time calibration signal, and W (WORK) while a receive operation is in progress.

• If the receive operation is successful, the watch will automatically

adjust its time settings and the c It does not adjust the setting if the operation failed.

R/C

) as shown on page E-24.

R/C

), hold down A for at least two seconds.

) as shown on page E-24.

Second Hand will point to Y (YES).

Note

• It takes about 30 seconds before signal reception conditions stabilize.

• To interrupt a receive operation and return to regular timekeeping, press any button.

To turn auto receive on or off

1. In the Receive Mode (

• The ccSecond Hand will point to Y (YES) if auto receive is currently

on, and N (NO) if it is off.

R/C

), loosen the crown and then pull it out.

2. Press C to toggle auto receive between on and off.

Y (YES) N (NO)

3. After the setting is the way you want, push the crown back in and lock it.

• The watch will return to the last receive result (Y/N).

Mode Reference Guide

Your watch has 8 “modes”. The mode you should select depends on what you want to do.

To do this: Enter this mode: See:

• View the current time, date, and day of the week

• Home City, time, and summer time settings

Determine magnetic north Digital Compass Mode E-35

Determine the altitude at your current location Altimeter Mode E-42

• Determine the barometric pressure at your current location

• Barometric pressure differential

Determine the temperature at your current location Thermometer Mode E-58

• Set an alarm time

• Turn the alarm on or off

Use the stopwatch to measure elapsed time Stopwatch Mode E-65

• Perform a manual time calibration signal receive operation

• Check whether the last receive operation was successful

• Conﬁ gure Auto Receive settings

Timekeeping Mode E-27

Barometer Mode E-51

Alarm Mode E-63

Receive Mode E-16

E-19

E-21

E-22

E-23

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Operation Guide 5242

Selecting a Mode

• The illustration below shows which buttons you need to press to navigate between modes.

• To return to the Timekeeping Mode from any other mode, hold down B for about two seconds.

Timekeeping Mode

Thermometer

Mode

Alarm Mode

E-24

General Functions (All Modes)

The functions and operations described in this section can be used in all of the modes.

Direct Timekeeping Mode Access

• To enter the Timekeeping Mode from any other mode, hold down B for about two seconds.

Auto Return Features

• The watch will automatically return to the Timekeeping Mode if you do not perform any button operation

for a particular amount of time in each mode.

Mode Name Approximate Elapsed Time

Alarm, Receive 2 to 3 minutes

Digital Compass, Altimeter, Barometer, Thermometer 1 to 2 minutes

Barometer

Mode

Stopwatch Mode Receive Mode

Timekeeping Mode

Note

• The Digital Compass Mode and Altimeter Mode can be entered only from the Timekeeping Mode.

Perform the operations below after entering the Timekeeping Mode.

Altimeter Mode

Digital Compass Mode

Altimeter Mode

E-25

Conﬁ guring Home City Settings

The Home City is location where you will normally use the watch. You can choose from a selection of city codes that represent 29 cities around the globe.

To conﬁ gure Home City settings

Note

This watch does not have a city code that corresponds to Newfoundland.

1. In the Timekeeping Mode, loosen the crown and then pull it out.

• This will cause the cSecond Hand to move to the city code of the

TYO (TOKYO)

currently selected Home City.

• This indicates the city code setting mode.

2. Rotate the crown to move the want to select as your Home City.

• Whenever you select a city code, the vMode Hand will move to its

summer time setting, while the

Day Indicator will move to the current time and date in that city.

3. After the setting is the way you want, push the crown back in and then lock it.

Second Hand

to the city code you

Hour Hand,xMinute Hand, and

E-26

Standard Time and Daylight Saving Time Setting

Except for China time zones, setting standard time/daylight saving time to daylight saving time to switch automatically in accordance with the time calibration signal. In locations not covered by a time calibration signal, you need to switch manually.

Note

Daylight saving time (DST), or summer time as it is known in some countries, calls for setting clocks ahead one hour from standard time during the summer season. Note that the period during which and the areas where Daylight saving time is applied depend on each country. Some countries or geographic areas may not use summer time.

Standard Time and Daylight saving time

STD

: Indicates that the current time is standard time.

DST

: Indicates that the current time is daylight saving time.

Daylight Saving Time/Standard Time Switching

AUTO

(STD/DST Auto Switching): Switches between standard time and daylight saving time automatically in accordance with the received time synchronization signal.

MNL

(STD/DST Manual Switching):

You need to switch between standard time and daylight saving time manually.

E-28

3. Here you could press C to toggle the

• If you selected AUTO for standard time/daylight saving time switching, the vvMode Hand will move

automatically to the proper STD/DST setting the next time the watch receives a time calibration signal.

4. Push the crown back in and then lock it.

• This returns to normal timekeeping.

Mode hand

between

Switching between STD and DST

30 30

AUTO

will cause standard time/

STD

DST

and

To select Auto or Manual Standard Time/Daylight Saving Time Switching

1. In the Timekeeping Mode, unlock the crown and then pull it out.

• The ccSecond Hand will move to the currently selected Home City code.

• The vvMode Hand will move to STD (standard time) or DST (daylight saving time).

2. Hold down C for at least ﬁ ve seconds until the watch beeps.

• Each time you perform the above operation, the vvMode Hand will switch between MNL (manual

switching) and AUTO (auto switching).

• After about two seconds, the vvMode Hand will move back to STD or DST.

Switching between AUTO and MNL

30 30

5 sec

Conﬁ guring Current Time and Date Settings Manually

You can conﬁ gure current time and date settings manually when the watch is unable to receive a time calibration signal.

To change the current time setting manually

TYO (TOKYO)

1. In the Timekeeping Mode, loosen the crown and then pull it out.

• This will cause the cSecond Hand to move to the city code of the

currently selected Home City.

2. Change the Home City setting, if you want.

• To change the Home City setting, perform step 2 under “To

conﬁ gure Home City Settings” (page E-27).

3. Hold down B for one second until the

(a.m.) or P (p.m.)

• This is the time setting mode.

• In the following steps, each press of B cycles between settings as

shown below.

Second Hand

moves to

E-27

E-29

E-30

E-31

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Operation Guide 5242

Home City/DST

(Hold down for about one second.)

Hour/Minute Hour

Year DayMonth

4. Rotate the crown to adjust the time (hour and minute) setting.

• With the crown pulled out, rotate the crown more than once in the direction that you want to move

the hands. When you release the crown, the hands will start to move at high speed.

• Note that high-speed reverse movement is not supported.

• When adjusting the setting, check to make sure that the cSecond Hand correctly indicates an a.m.

time or p.m. time.

5. Press B. This will enter the hour setting mode.

6. Rotate the crown to adjust the hour setting only.

• With the crown pulled out, rotate the crown more than once in the direction that you want to move

the hands. When you release the crown, the hands will start to move at high speed.

• Note that high-speed reverse movement is not supported.

• When adjusting the setting, check to make sure that the cSecond Hand correctly indicates an a.m.

time or p.m. time.

• If you want to change the date setting at this time, press B and perform the procedure starting from

step 3 under “To change the current date setting manually” (page E-33).

7. After the setting is the way you want, push the crown back in and lock it.

• This causes timekeeping to resume with the cSecond Hand starting from 12 o’clock.

E-32

Setting the year (tens digit value)

7. Press B. This will enter the year setting mode.

• The zzHour Hand will move to the number that represents the tens

digit value of the year and the x number that represents the ones digit value. The c

will move to 12 o’clock and stop there.

8. Rotate the crown to adjust the year setting. The tens digit value setting changes automatically in accordance with the ones digit value setting.

• If you want to change the time setting at this time, press B and

then perform the procedure starting from step 4 under “To change the current time setting manually” (page E-31).

9. After the setting is the way you want, push the crown back in and lock it.

Note

• The watch’s built-in full automatic calendar makes allowances for

different month lengths and leap years. Once you set the date, there

should be no reason to change it except after you have the watch’s rechargeable battery replaced or after power drops to Level 3.

Minute Hand will move to the

Second Hand

To change the current date setting manually

3030

1. In the Timekeeping Mode, loosen the crown and then pull it out.

• This will cause the ccSecond Hand to move to the city code of the

currently selected Home City.

2. Hold down B for about one second.

• The ccSecond Hand will indicate whether the current time is a.m. (A)

or p.m. (P).

3. Press B twice.

• The bbDay Indicator will move slightly to indicate the date setting

mode.

4. Rotate the crown to adjust the date setting.

Nov

Oct

Sep

Aug

Jul

Setting the month

Dec

Jan

Jun

5. After making sure the will enter the month setting mode.

Feb

May

• The ccSecond Hand will move to the currently selected month.

6. Rotate the crown to adjust the month setting.

Mar

Apr

Day Indicator

is not moving, press B. This

Taking Direction Readings

The Digital Compass Mode uses a direction sensor to take direction readings. After a direction reading,

Second Hand

the

points towards magnetic north.

Hand Indicators

Second Hand: Mode Hand:

Note

Hour Hand

3030

The compass reading.

To take a direction reading

1. Make sure the watch is in the Timekeeping Mode.

• For information about changing modes, see “Selecting a Mode”

(page E-24).

Points to magnetic north.

COMP

Points to

and

Minute Hand

are stopped during a digital

E-33

Setting the year (ones digit value)

E-34

2. While keeping the watch horizontal, press C.

• This will enter the Digital Compass Mode, which is indicated by the

Mode Hand moving to COMP.

• The ccSecond Hand will ﬁ rst move to 12 o’clock. Next it will move to

indicate magnetic north.

3030

• For information about magnetic north, see “Compass Precautions”

(page E-41).

• The ccSecond Hand will continue to move for about 20 seconds after

you start the digital compass operation as it adjusts its magnetic north reading. After that, the hand will stop at the ﬁ nal reading.

• To update a reading, press C again.

3. Press B to return to the Timekeeping Mode.

Calibrating the Bearing Sensor Reading

You should calibrate the bearing sensor reading whenever you feel that the direction readings being produced by the watch are off. You can use either of two sensor reading calibration methods: bidirectional calibration or northerly calibration.

Bidirectional Calibration and Northerly Calibration

•

Bidirectional calibration and northerly calibration calibrate the accuracy of the bearing sensor. Use bidirectional calibration when you want to take readings within an area exposed to magnetic force. This type of calibration should be used if the watch becomes magnetized for any reason. With northerly calibration, you “teach” the watch which way is north (which you have to determine with another compass or some other means).

E-36

3. Rotate the watch 180 degrees.

4. Press C to start calibration of Point 2.

• After about seven seconds, the ccSecond Hand will move to Y

(Yes) if Point 2 calibration was successful or to N (No) if it was not

3030

To perform northerly calibration

Important!

If you want to perform both northerly and bidirectional calibration, perform bidirectional calibration ﬁ rst, and then perform northerly calibration. This is necessary because bidirectional calibration cancels any existing northerly calibration setting.

successful.

• If the ccSecond Hand is pointing at N (unsuccessful), press C to

return to Point 1 calibration.

5. After calibration is complete, push the crown back in and then lock it.

• This will start a magnetic north reading operation.

• Press B to return to the Timekeeping Mode.

E-35

Important!

The more correctly you perform bidirectional calibration, the better the accuracy of the bearing sensor readouts. You should perform bidirectional calibration whenever you change environments where you use the bearing sensor, and whenever you feel that the bearing sensor is producing incorrect readings.

Precautions about bidirectional calibration

• You can use any two opposing directions for bidirectional calibration. You must, however, make sure

that they are 180 degrees opposite each other. Remember that if you perform the procedure incorrectly, you will get wrong bearing sensor readings.

• Do not move the watch while calibration of either direction is in progress.

• You should perform bidirectional calibration in an environment that is the same as that where you plan

to be taking direction readings. If you plan to take direction readings in an open ﬁ eld, for example, calibrate in an open ﬁ eld.

To perform bidirectional calibration

3030

1. In the Digital Compass Mode, loosen the crown and then pull it out.

• The ccSecond Hand and xxMinute Hand will move to 12 o’clock,

and the

2. Press C to start calibration of Point 1.

• After about seven seconds, the ccSecond Hand will move to Y

• If the ccSecond Hand is pointing at N (unsuccessful), press C to

• If the ccSecond Hand is pointing at Y (successful), it will move to

1. In the Digital Compass Mode, loosen the crown and then pull it out.

• The ccSecond Hand and xxMinute Hand will move to 12 o’clock,

2. Press B. The

3. Place the watch on a level surface, and position it so that its 12 o’clock position points north (as measured with another compass).

4. Press C to start calibration.

• After about seven seconds, the ccSecond Hand will move to Y (Yes)

• If the ccSecond Hand is pointing at N (unsuccessful), press C to

5. After calibration is complete, push the crown back in and then lock it.

• This will start a magnetic north reading operation.

• Press B to return to the Timekeeping Mode.

Hour Hand will move to 6 o’clock.

(Yes) if Point 1 calibration was successful or to N (No) if it was not successful.

perform Point 1 calibration again.

6 o’clock after about two seconds.

and the z

Hour Hand will move to 6 o’clock.

Hour Hand

will move to 12 o’clock.

if calibration was successful or to N (No) if it was not successful.

perform calibration again.

E-37

E-38

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Operation Guide 5242

Using the Compass While Mountain Climbing or Hiking

Having an idea of your current location and your destination is essential when mountain climbing or hiking. To do this, you need to “set the map”, which means to align the map so the directions indicated on it are aligned with the actual directions of your location. Basically what you are doing is aligning north on the map with north as indicated by the watch.

To set a map

North indicated

North indicated on the map

on the map

North indicated by

c Second Hand

E-40

1. Make sure the watch is in the Timekeeping Mode.

• For information about changing modes, see “Selecting a Mode”

(page E-24).

2. While keeping the watch horizontal, press C.

• The vvMode Hand will move to COMP and a direction reading

operation will start.

• After about three seconds, the ccSecond Hand will points to

magnetic north.

• To update a reading, press C again.

3. Keeping the watch still, rotate the map so its north indication is pointing in the same direction as the

4. While comparing the contours on the map with what you can see around you, determine your current location and destination on the map.

• Note that map reading skills and experience are required to

determine your current location and destination on a map.

Second Hand

of the watch.

Taking Altitude Readings

The Altimeter Mode uses a pressure sensor to take altitude readings by measuring changes in air pressure. The result of an altitude reading is indicated by the hands of the watch.

How the Altimeter Measures Altitude

The altimeter can measure altitude based on its own preset values (initial default method) or using a reference altitude speciﬁ ed by you.

When you measure altitude based on preset values

Data produced by the watch’s barometric pressure sensor is converted to approximate altitude based on ISA (International Standard Atmosphere) conversion values stored in watch memory.

When you measure altitude using a reference altitude speciﬁ ed by you

After you specify a reference altitude, the watch uses that value to convert barometric pressure readings to altitude (page E-46).

• When mountain climbing, you can specify a reference altitude value in

accordance with a marker along the way or altitude information from a map. After that, the altitude readings produced by the watch will be more accurate than they would without a reference altitude value.

400

Compass Precautions

True north

Magnetic north

Storage

The precision of the bearing sensor may deteriorate if the watch becomes magnetized. Because of this, you should store the watch away from magnets or any other sources of strong magnetism, including: permanent magnets (magnetic accessories, etc.), household appliances, ofﬁ ce equipment, mobile phones.

• Whenever you suspect that the watch may have become magnetized, perform the procedure under “To

perform bidirectional calibration” (page E-37).

Hand Indicators

z x c v

• For example, when the altitude is 10,000 meters, the vvMode Hand will point to ALTIMETER m

Indicates the 1000s digit value.

Hour Hand: Minute Hand: Second Hand: Mode Hand:

Indicates the 100s digit value.

Indicates the 10s digit value. Indicates the altitude unit as meters ( will point to (x 10000) for 10,000 feet, 2 (x 10000) for 20,000 feet, or 3 (x 10000) for 30,000 feet to indicate the altitude reading.

(meters). The z

30 30 30

Magnetic North and True North

There are actually two types of north: magnetic north and true north. Magnetic north is the direction indicated by a compass, while true north is the direction towards the North Pole. Magnetic north and true north are not the same.

Location

Taking a direction reading when you are near a source of strong magnetism can cause large errors in readings. Because of this, you should avoid taking direction readings while in the vicinity of the following types of objects: permanent magnets (magnetic accessories, etc.), large concentrations of metal (metal doors, lockers, etc.), high-tensile wire, overhead wires, household appliances, ofﬁ ce equipment, mobile phones.

• Accurate direction readings are impossible while in a train, boat, air

plane, etc.

• Accurate readings are also impossible indoors, especially inside

ferroconcrete structures. This is because the metal framework of such structures picks up magnetism from appliances, etc.

ALTIMETER [–]

ALTIMETER m

in the case of a negative reading, or to

) or feet (

ALTIMETER ft

ALTIMETER 1

). The hand

Hour Hand points to 10. The xxMinute Hand and ccSecond Hand points to 0.

E-41

E-42

To take an altitude reading

3030

1. Make sure the watch is in the Timekeeping Mode.

• For information about changing modes, see “Selecting a Mode”

(page E-24).

2. Press A.

• The vvMode Hand will move to ALTIMETER m (meters) or ft

(feet). This indicates the currently selected altitude unit setting. For information about how to change the setting, see “To specify altitude, barometric pressure, and temperature units” (page E-62).

• The ccSecond Hand will move to 0 indicating that altitude

reading operation has started. The v to ALTIMETER [–] in the case of a negative reading, or to ALTIMETER 1 (x 10000) for 10,000 feet, 2 (x 10000) for 20,000 feet, or 3 (x 10000) for 30,000 feet to indicate the altitude reading.

• The ccSecond Hand will indicate the 10s digit value, the xxMinute

Hand the 100s digit value, and the z value of the reading within 10 seconds.

Mode Hand will point

Hour Hand the 1000s digit

3. Press B to return to the Timekeeping Mode.

E-44

Calibrating the Altitude Sensor Reading

Altitude readings can be affected by changes in atmospheric pressure and temperature changes, and by changes in temperature at different altitudes. When on a mountain, it is a good idea to calibrate the altitude sensor reading with altitude values provided by signposts or from other sources.

To calibrate the altitude sensor reading

Example: 990 meters

1. In the Altimeter Mode, loosen the crown and then pull it out.

• If the watch is currently performing an altitude reading operation,

the hands will move to indicate your current altitude.

• If the hands do not indicate an altitude, pulling out the crown will

take an altitude reading. The hands will indicate the result after about 10 seconds.

2. Rotate the crown to adjust the indicated altitude reading to the desired reference altitude value.

• The ccSecond Hand moves in 10-meter (40-foot) increments.

• After you set an altitude reference value, you can clear it any time

by performing step 1 of this procedure and then pressing A and

at the same time. This will cause the hands to move to the result

of the last altitude reading the watch performed.

• You can toggle the altitude unit between meters (m) and feet (ft) at

this time by holding down C for two seconds.

Example: 2,780 meters

Note

• The unit for altitude readings by this watch is 10 meters (40 feet).

• The measurement range for altitude readings by this watch are –700 to 10,000 meters (–2,280 to

32,800 feet). The display range is –3,000 to 10,000 meters (–9,840 to 32,800 feet).

• Normally, altitude readings are in relation to an initial default reference value. You can also specify a

different reference altitude value if you want. See “Calibrating the Altitude Sensor Reading” (page E-46).

• You can specify either meters (m) or feet (ft) for displayed altitude values. See “To specify altitude,

barometric pressure, and temperature units” (page E-62).

• Whenever an altitude reading is outside the allowable measurement range, the hands of the watches

will move to the positions below.

Hour Hand,

Mode Hand:

Example: 1,000 meters

Minute Hand,

ALTIMETER m

Example: 10,000 meters Example: 23,840 feet

Second Hand:

(meters) or

3. After the setting is the way you want, push the crown back in and then lock it.

• For information about the altitude reference value range, see the

altitude display range on page E-45.

11 o’clock

ALTIMETER ft

(feet)

E-43

E-45

E-46

E-47

Page 7

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Operation Guide 5242

How does the altimeter work?

Generally, air pressure and temperature decrease as altitude increases. This watch bases its altitude readings on International Standard Atmosphere (ISA) values stipulated by the International Civil Aviation Organization (ICAO). These values deﬁ ne relationships between altitude, air pressure, and temperature.

E-48

Altimeter Precautions

• This watch estimates altitude based on air pressure. This means that altitude readings for the same

location may vary if air pressure changes.

• The semiconductor pressure sensor used by the watch for altitude readings is also affected by

temperature. When taking altitude readings, do not subject the watch to temperature changes.

• Do not rely upon this watch for altitude readings or perform button operations while sky diving, hang

gliding, or paragliding, while riding a gyrocopter, glider, or any other aircraft, or while engaging in any other activity where there is the chance of sudden altitude changes.

• Do not use this watch for measuring altitude in applications that demand professional or industrial level

precision.

• Remember that the air inside of a commercial aircraft is pressurized. Because of this, the readings

produced by this watch will not match the altitude readings announced or indicated by the ﬂ ight crew.

Altitude Air Pressure Temperature

616 hPa

4000 m

3500 m

3000 m

2500 m

2000 m

1500 m

1000 m

500 m

0 m

14000 ft.

12000 ft.

10000 ft.

8000 ft.

6000 ft.

4000 ft.

2000 ft.

0 ft.

Source: International Civil Aviation Organization

701 hPa

795 hPa

899 hPa

19.03 inHg

22.23 inHg

25.84 inHg

About 8 hPa per 100 m

About 9 hPa per 100 m

About 10 hPa per 100 m

About 11 hPa per 100 m

About 12 hPa per 100 m

About 0.15 inHg per 200 ft.

About 0.17 inHg per 200 ft.

About 0.192 inHg per 200 ft.

About 0.21 inHg per 200 ft.

–11°C

–4.5°C

16.2°F

30.5°F

44.7°F

59.0°F29.92 inHg

8.5°C

15°C1013 hPa

2°C

About 3.6°F per 1000 ft.

About 6.5°C per 1000 m

• Note that the following conditions will prevent you from obtaining accurate readings:

When air pressure changes because of changes in the weather Extreme temperature changes When the watch itself is subjected to strong impact

There are two standard methods of expressing altitude: Absolute altitude and relative altitude. Absolute altitude expresses an absolute height above sea level. Relative altitude expresses the difference between the height of two different places.

Height of building 130 m (relative altitude)

Rooftop at an altitude of 230 m above sea level (absolute altitude)

Sea Level

E-49

Taking a barometric pressure reading

The Barometer Mode uses a pressure sensor to take barometric pressure readings.

• The differential between two readings is also indicated.

Hand Indicators

Indicates the 100s digit value when the pressure unit is hPa, and the 10s digit value when

Hour Hand:

the unit is inHg.

Minute Hand:

Second Hand:

Mode Hand:

Indicates the 10s digit value when the pressure unit is hPa, and the 1s digit value when the unit is inHg.

Indicates the 1s digit value when the pressure unit is hPa, and the ﬁ rst digit value to the right of the decimal place when the unit is inHg.

BAROMETER hPa

Points to

BAROMETER 1000 BAROMETER inHg

when the pressure reading is less than 1000 hPa, points to when the reading is 1000 hPa or higher, or points to when the unit is inches of mercury.

E-50

To take a barometric pressure reading

3030

E-52

Hand Indicators

z x c

Reading the Barometric Pressure Differential Indicator

Pressure differential is indicated in the range of ±10 hPa, in 1-hPa units.

• The nearby screen shot, for example, shows

what the pointer would indicate when the calculated pressure differential is approximately –5 hPa (approximately –0.15 inHg).

• The hPa unit is always used for barometric

pressure readings. You also can read the barometric pressure differential in inHg units as shown in the illustration.

Hour Hand: Minute Hand: Second Hand:

Mode Hand:

Points to 12 o’clock.

Speciﬁ es the barometric pressure differential in the range of ±10 hPa.

Points to

1. Enter the Timekeeping Mode.

• For information about changing modes, see “Selecting a Mode”

(page E-24).

2. Press B once.

• The vvMode Hand will move to BAROMETER hPa or

BAROMETER inHg. This indicates the currently selected

barometric pressure unit setting. For information about how to change the setting, see “To specify altitude, barometric pressure, and temperature units” (page E-62).

• The ccSecond Hand will move to 0 indicating that barometric

pressure reading operation has started. The reading result will be displayed within 10 seconds.

• If the barometric pressure differential was displayed the last time

you exited the Barometer Mode, entering the Barometer mode displays the pressure differential.

BAROMETER hPa

inHg values

hPa values

c Barometric

Pressure

Pressure Differential

Differential Indicator

Indicator

30 30

Example: 920 hPa Example: 25.1 inHg

Note

• This watch takes barometric pressure readings in 1 hPa (0.1 inHg)

units.

• The barometric pressure measurement range and display range are

260 hPa to 1100 hPa (7.7 inHg to 32.5 inHg).

3030

Barometric Pressure Differential Indicator

Your watch automatically takes a barometric pressure reading every two hours (at the 30-minute mark of evenly numbered hours). If you take a manual reading, the between the last auto reading and the current manual reading. You can use the barometric pressure differentials to predict upcoming weather trends. Positive differential: Indicates improving weather. Negative differential: Indicates deteriorating weather.

Current pressure

greater than most

recent measured

pressure

Current pressure

less than most

recent measured

pressure

To show and hide barometric pressure differential

1. While a barometric pressure reading is displayed in the Barometer Mode, press C.

• Pressing C while an auto barometric pressure reading is indicated will take a new manual reading

and cause the c manual reading.

2. Each press of C at this time will cause the hands to toggle between indication of the barometric pressure reading and the barometric pressure differential.

• The watch maintains the last barometric pressure auto reading in memory. The stored reading is

replaced whenever a new auto reading is performed.

Note

• The barometric pressure differential unit is 1 hPa, and the display range is ±10 hPa.

• If the barometric pressure differential is outside the ±10 hPa display range, the

move to 11 o’clock.

• Whenever a barometric pressure reading is outside the allowable

measurement range, the hands of the watches will move to the positions below.

Hour Hand,

Mode Hand:

Minute Hand,

BAROMETER hPa

Second Hand

Second Hand:

11 o’clock

BAROMETER inHg

will indicate the difference

Second Hand to indicate the differential between the auto reading and the new

Second Hand

E-51

E-53

will

E-54

E-55

Page 8

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Operation Guide 5242

Calibrating the Barometric Pressure Sensor Reading

The pressure sensor of this watch is adjusted at the factory and so further adjustment is not required by you. However, if you notice that the pressure readings produced by the watch are different from readings produced by another instrument, you can use the procedure in this section to make corrections.

Important!

The watch will not be able to produce correct pressure readings if you make a mistake during the correction procedure. Check to make sure that the value you use for correction produces correct pressure readings.

To calibrate the Barometric Pressure Sensor Reading

Example: 999 hPa

E-56

1. In the Barometer Mode, loosen the crown and then pull it out.

• If the watch is currently performing a barometric pressure reading

operation, the hands will move to indicate the current barometric pressure.

• If the hands do not indicate a barometric pressure, pulling out the

crown will take a barometric pressure reading. The z

Minute Hand, and ccSecond hand will indicate the result after

about 10 seconds.

Hour Hand,

Taking Temperature Readings

The Thermometer Mode uses a temperature sensor to take temperature readings. The result of a temperature reading is indicated by the hands of the watch.

Hand Indicators

When the unit is Celsius (°C), indicates the 10s digit value. When the unit is Fahrenheit (°F),

Hour Hand:

indicates the 100s digit value.

Minute Hand:

Second Hand:

Mode Hand:

When the unit is Celsius (°C), indicates the 1s digit value. When the unit is Fahrenheit (°F), indicates the 10s digit value.

When the unit is Celsius (°C), indicates the ﬁ rst digit value to the right of the decimal

point. When the unit is Fahrenheit (°F), indicates the 1s digit value. When the unit is Celsius (°C) and the reading is 0°C or above, points to When the reading is below 0°C, points to

THERMO °F

points to

30 30

THERMO [–]

. When the unit is Fahrenheit (°F),

THERMO °C

2. Rotate the crown to move the hands so they match the barometric pressure reading produced by another instrument.

• Rotating the crown causes the ccSecond Hand to move in 1 hPa

(0.1 inHg) increments.

Example: 1000 hPa

Barometric Pressure Reading Precautions

• Sudden changes in temperature can affect the pressure sensor and produce errors in reading values.

To take a temperature reading

3030

• After you calibrate the barometric pressure sensor reading, you

can clear calibration settings any time by performing step 1 of this procedure and then pressing A and C at the same time. This will cause the hands to move to the result of the last barometric pressure reading the watch performed.

• You can toggle the barometric pressure unit between hPa and inHg

at this time by holding down C for two seconds.

3. After the setting is the way you want, push the crown back in and then lock it.

• For information about the barometric pressure calibration value

range, see the barometric pressure display range on page E-53.

1. Enter the Timekeeping Mode.

• For information about changing modes, see “Selecting a Mode”

(page E-24).

2. Press B twice.

• The vvMode Hand will move to THERMO °C or THERMO °F.

This indicates the currently selected temperature unit setting. For information about how to change the setting, see “To specify altitude, barometric pressure, and temperature units” (page E-62).

• The ccSecond Hand will move to 0 indicating that the temperature

reading operation has started. The reading result will appear within eight seconds.

Note

• The unit for temperature readings by this watch is 0.1°C (1°F).

• The measurement range for temperature readings by this watch is

–10.0°C to 60.0°C (14°F to 140°F).

• Whenever a temperature reading is outside the allowable measurement

range, the hands of the watches will move to the positions below.

Hour Hand,

Mode Hand:

Minute Hand,

THERMO °C

Second Hand:

THERMO °F

11 o’clock

E-57

E-58

Calibrating the Temperature Sensor Reading

The temperature sensor of this watch is adjusted at the factory and so further adjustment is not required by you. However, if you notice that the readings produced by the watch are different from readings produced by another instrument, you can use the procedure in this section to make corrections.

Important!

• The watch will not be able to produce correct temperature readings if you make a mistake during the

correction procedure. Check to make sure that the value you use for correction produces correct temperature readings.

• Before performing the procedure below, remove the watch from your wrist leave it in the area where

you will take the reading for about 20 to 30 minutes to allow the case temperature to become the same as surrounding air temperature.

To calibrate the temperature sensor reading

1. In the Thermometer Mode, loosen the crown and then pull it out.

• If the watch is currently performing a temperature reading operation, the hands will move to indicate

the current temperature.

• If the hands do not indicate a temperature, pulling out the crown will take a temperature reading.

The hands will indicate the result after about 8 seconds.

2. Rotate the crown to move the hands so they match the temperature reading produced by another instrument.

• Rotating the crown causes the ccSecond Hand to move in 0.1°C (1°F) increments.

• After you calibrate the temperature sensor reading, you can clear it any time by performing step 1 of

this procedure and then pressing A and C at the same time. This will cause the hands to move to the result of the last temperature reading the watch performed.

• You can toggle the temperature unit between Celsius (°C) and Fahrenheit (°F) at this time by holding

downC for two seconds.

E-60

Example: 25.3°C Example: 62°F

Specifying Altitude, Barometric Pressure, and Temperature Units

Use the procedure below to specify the altitude, barometric pressure, and temperature units to be used in the Altimeter Mode, Barometer Mode and the Thermometer Mode.

To specify altitude, barometric pressure, and temperature units

3030

When specifying this type of unit: Press C to toggle between these settings:

Altitude

Barometric Pressure

Temperature

4. After the setting is the way you want, push the crown back in and lock it.

E-62

1. Make sure the watch is the the mode for the type of unit you want to specify (Altimeter, Barometer, or Thermometer Mode).

• For information about changing modes, see “Selecting a Mode”

(page E-24).

2. After loosening the crown, pull it out.

• The vMode Hand will move to the currently selected unit setting.

3. Hold down C for about two seconds to toggle between the available unit settings.

hPa

°C

(meters) and ft (feet)

(hectopascals) and

(Celsius) and °F (Fahrenheit)

inHg

(inches of mercury)

E-59

30 30

3. After the setting is the way you want, push the crown back in and then lock it. For information about the temperature calibration value range, see the temperature display range on page E-59.

Temperature Reading Precautions

• Temperature readings are affected by your body temperature, direct sunlight, and moisture. To achieve

a more accurate temperature readings, remove the watch from your wrist, place it in a well ventilated location out of direct sunlight, and wipe all moisture from the case. It takes approximately 20 to 30 minutes for the case of the watch to reach the actual surrounding temperature.

Example: 29.9°C

Example: 30.0°C

E-61

Using the Alarm

When the alarm is turned on, an alarm will sound for about 10 seconds each day when the time in the Timekeeping Mode reaches the preset alarm time. This is true even if the watch is not in the Timekeeping Mode.

Hand Indicators

Hour Hand: Minute Hand: Second Hand:

3030

Mode Hand:

To change the alarm time setting

1. Use B to select the Alarm Mode (ALM) as shown on page E-24.

• The vMode Hand will move to ALM ON or ALM OFF to indicate

2. After loosening the crown, pull it out.

• The vMode Hand will move to ALM ON.

• You can toggle between the hour and minute setting mode, and the

Indicates the currently set alarm time hour.

Indicates the currently set alarm time minute.

Indicates the current a.m. (A) and p.m. (P) setting.

Indicates the current alarm on (

ALM OFF

(

) setting.

the current setting. The or P (p.m.) setting.

Second Hand indicates the current A (a.m.)

hour only setting mode by pressing B.

ALM ON

) and off

E-63

Page 9

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Operation Guide 5242

3. Rotate the crown to set the alarm time.

• With the crown pulled out, rotate the crown more than once in the direction that you want to move

the hands. When you release the crown, the x that high-speed reverse movement is not supported.

• zzHour Hand movement is synchronized with xxMinute Hand movement.

4. Press B to switch to the hour setting mode.

• The zzHour Hand will move slightly left and right to indicate the zzHour Hand setting mode.

• If you want to change the hour setting without changing the minute setting, skip step 4 above.

• When adjusting the alarm time setting, check to make sure that the ccSecond Hand correctly

indicates A (AM) or P (PM).

• Rotate the crown to adjust the hour setting only.

• With the crown pulled out, rotate the crown more than once in the direction that you want to move

the hands. When you release the crown, the z high-speed reverse movement is not supported.

5. After the setting is the way you want, push the crown back in and lock it.

• The alarm always works based on the time kept in the Timekeeping Mode.

To turn the alarm on or off

In the Alarm Mode, press C to toggle the alarm between on and off. The current on/off setting is indicated

Mode Hand

by the

• The alarm will not sound while the watch is in the function sleep state when power is low.

To stop the alarm

• Press any button.

E-64

Minute Hand will start to move at high speed. Note

Hour Hand will start to move at high speed. Note that

Adjusting Home Positions

Strong magnetism or impact can cause the hands and/or day setting to be off, even if the watch is able to perform the signal receive operation.

Auto Home Position Adjustment

• Auto correction corrects the positions of all hands. The

using the procedure under “To trigger auto hand home position adjustment manually” (page E-67).

• Around 2:55 a.m. each day, the watch performs a process that takes about 30 seconds to conﬁ rm that

hand positions are correct. During this process, the hand positions are correct, normal hand movement will resume after about 30 seconds. If hand positions are not correct for some reason, the watch will correct them automatically and then resume normal hand movement.

Day Indicator

Mode Hand

must be corrected manually

will move to 12 o’clock. If current

Using the Stopwatch

The stopwatch measures elapsed time in units of 1 second up to 11 hours, 59 minutes, 59 seconds. When the maximum limit is reached, elapsed time returns to zero automatically and timing continues from there.

Hand Indicators

Hour Hand: Minute Hand: Second Hand:

3030

To trigger auto hand home position adjustment manually

3030

Important!

• Pushing the crown back in while hands are moving will cancel home position adjustment.

• If you do not perform any operation with the crown for about two minutes after pulling it out, crown

operations will become disabled and hands will not move if you rotate the crown. If this happens, push the crown back in and then pull it out again.

Mode Hand:

To perform elapsed time measurement

1. Use B to select the Stopwatch Mode (STW) as shown on page E-24.

• The vMode Hand will move to STW.

2. Perform the key operations shown below.

Start Stop (Restart) (Stop) Reset

3. After ﬁ nish an elapsed time operation, press A to reset the stopwatch.

• An ongoing stopwatch operation will continue even if you pull out

• Button operations are disabled when the crown is pulled out while

1. In the Timekeeping Mode, loosen the crown and then pull it out.

2. Hold down A for at least ﬁ ve seconds, until the moves to 12 o’clock.

3. Release A after the

• This will start auto hand home position adjustment for all of the

• Home position adjustment is complete when all hands are at 12

4. Push the crown back in and then lock it.

• This returns to the Timekeeping Mode. The hands will return to

• If you want to adjust the bbDay Indicator home position, skip step 4

Indicates elapsed hours.

Indicates elapsed minutes.

Indicates elapsed seconds.

STW

Points to

the crown to perform some setting operation.

an elapsed time operation is in progress.

hands. Note that the b

o’clock.

their normal positions and resume normal timekeeping. Wait until everything stops moving before performing any operation.

above and proceed from step 2 under “To adjust the Day Indicator home position” on page E-68.

C C

Second Hand

moves to 12 o’clock.

Day Indicator is not adjusted.

Second Hand

E-65

E-66

To adjust the Day Indicator home position

Important!

• Pushing the crown back in while the

day indicator adjustment.

• If you do not perform any operation with the crown for about two minutes after pulling it out, crown

operations will become disabled and hands will not move if you rotate the crown. If this happens, push the crown back in and then pull it out again.

E-68

About the Auto Light Switch

Enabling on the auto light switch causes illumination to turn on, whenever you position your wrist as described below in any mode.

Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes illumination to turn on.

Warning!

Always make sure you are in a safe place whenever you are reading the face of watch using the

•

auto light switch. Be especially careful when running or engaged in any other activity that can result in accident or injury. Also take care that sudden illumination by the auto light switch does not startle or distract others around you.

When you are wearing the watch, make sure that its auto light switch is disabled before riding on

•

a bicycle or operating a motorcycle or any other motor vehicle. Sudden and unintended operation of the auto light switch can create a distraction, which can result in a trafﬁ c accident and serious personal injury.

Note

• This watch features a “Full Auto LED Light”, so the auto light switch operates only when available light

is below a certain level. Illumination does not turn on under bright light.

• The auto light switch is always disabled, regardless of its on/off setting, when any one of the following

conditions exists.

While an alarm is sounding During sensor measurement While the hands or

E-70

1. In the Timekeeping Mode, loosen the crown and then pull it out.

2. Perform steps 2 and 3 under “To trigger auto hand home position adjustment manually” (page E-67).

3. Press A.

• This will cause the bbDay Indicator to move to its current home

position, which should be 1 centered in the indicator window.

• If 1 is not centered in the bbDay Indicator window, rotate the crown

to center it.

• Quickly rotating the crown at this time will cause high-speed

Day indicator

movement of the movement is also supported.

• To stop high-speed movement, rotate the crown again in the

opposite direction.

4. After the back in and then lock it.

• This returns to the Timekeeping Mode. The bbDay Indicator

will indicate the current date. Wait until it stops moving before performing any operation.

Day indicator

is moving at high speed

Day Indicator. Note that high-speed reverse

Day Indicator

setting is the way you want, push the crown

is moving will register hand adjustment but cancel

Wear the watch on the

Wear the watch on the outside of your wrist

outside of your wrist

More than

More than 40°

40°

Illumination

The face of the watch is illuminated for easy reading in the dark. The watch’s auto light switch turns on illumination automatically when you angle the watch towards your face.

3030

To change the illumination duration

1. In the Timekeeping Mode, loosen the crown and then pull it out.

• The cSecond Hand will point to the city code of the currently select Home City, and the vMode

Hand will point to the current standard time/summer time setting.

2. Hold down L for about three seconds until the watch beeps once or three times.

• Releasing L after one beep selects 1.5 seconds. Releasing it after three beeps selects three

seconds.

3. After the setting is the way you want, push the crown back in and then lock it.

To enable or disable the auto light switch

While in the Timekeeping Mode, hold down L for at least three seconds, until the watch beeps once or twice.

• Releasing L after one beep disables the auto light switch. Releasing it after two beeps enables it.

• The auto light switch disables automatically whenever battery power drops to Level 2 (page E-13).

Illumination Precautions

• The electro-luminescent panel that provides illumination loses power after very long use.

• Illumination may be hard to see when viewed under direct sunlight.

• Illumination turns off automatically whenever an alarm sounds.

• Frequent use of illumination runs down the battery.

Auto light switch precautions

• Wearing the watch on the inside of your wrist, movement of your arm, or vibration of your arm can

cause frequent activation of the auto light switch and illumination. To avoid running down the battery, disable the auto light switch whenever engaging in activities that might cause frequent illumination.

• Note that wearing the watch under your sleeve while the auto light switch is enabled can cause

frequent illumination and can run down the battery.

• The auto light switch must be enabled (page E-71) for it to operate.

To turn on illumination manually

PressingL in any mode turns on illumination.

• You can use the procedure below to select either 1.5 seconds or three

seconds as the illumination duration. When you press L, illumination will remain on for 1.5 or three seconds depending on the current setting.

• Pressing L turns on illumination even if auto light switch operation is

disabled.

• Note that illumination will not turn on while a sensor taking a reading or

during high-speed movement of the hands or day indicator.

E-67

E-69

E-71

Page 10

Operation Guide 5242

• Illumination may not turn on if the face of the watch is more than 15 degrees above

or below parallel. Make sure that the back of your hand is parallel to the ground.

• Illumination turns off after the preset illumination duration (page E-69), even if you

keep the watch pointed towards your face.

• Static electricity or magnetic force can interfere with proper operation of the auto

light switch. If illumination does not turn on, try moving the watch back to the starting position (parallel with the ground) and then tilt it back towards your face again. If this does not work, drop your arm all the way down so it hangs at your side, and then bring it back up again.

• You may notice a very faint clicking sound coming from the watch when it is shaken

back and forth. This sound is caused by mechanical operation of the auto light switch, and does not indicate a problem with the watch.

E-72

Hands suddenly stop moving. Button operation also is disabled.

■

The watch may be in the power recovery mode (page E-13). Do not perform any operation until the hands return to their normal positions (in about 15 minutes). The hands should return to their correct positions when normal operation returns. To help power recover, leave the watch in a location where it is exposed to light.

The current time setting is off by hours.

■

Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary (page E-27).

The current time setting is off by one hour.

■

• The current standard time (STD)/summer time (DST) is wrong (page E-28).

• If you are using in the watch in an area where time calibration signal reception is not possible, you may

need to change your Home City’s Use the procedure under “To select Auto or Manual Standard Time/Daylight Saving Time Switching” (page E-29) to change the

The hands and/or day indications are off.

■

This could indicate that the watch has been exposed to magnetism or strong impact, which has caused problems with proper hand and day alignment. Adjust the watch’s hand and day home position alignment (page E-66).

Nothing happens when I press a button.

■

Button operation may become disabled after you perform a crown operation. If this happens, rotate the crown slightly to correct the problem.

STD/DST

STD

(standard time)/

setting.

DST

(daylight saving time) setting manually.

Troubleshooting

Hand Movement and Position

I lost track of what mode the watch is in.

■

Refer to “Selecting a Mode” (page E-24). Pushing the crown back in and lock it. Next, hold down B for about two seconds to return to the Timekeeping Mode.

Second Hand

The

■

All the watch’s hands are stopped at 12 o’clock and none of the buttons work.

■

Power may be low. Expose the watch to light until the one-second intervals (page E-12).

The hands of the watch suddenly start moving at high speed, even when I do not perform any

■

operation.

This could be due to any one of the following causes. In all cases, the hand movement does not indicate malfunction, and should stop shortly.

• The watch is recovering from a sleep state (page E-15).

• The time setting is being adjusted following a successful auto time calibration signal receive operation

(page E-16).

• The watch is returning to the Timekeeping Mode from another mode.

Hand movement is abnormal.

■

The watch is auto correcting hand positions. Normal hand movement will resume after the correction process is complete.

Crown Operations

Nothing happens when I rotate the crown while it is pulled out.

■

You did not perform any operation for more than three minutes while the crown was pulled out, causing operation to become disabled automatically. Push the crown in and pull it back out again to re-enable operation. See “Using the Crown” (page E-3).

Operation Tone

The operation tone does not sound when it should.

■

Battery power is low. Expose the watch to light to charge it. See “Charging the Watch” (page E-11).

is jumping at two-second intervals.

Second Hand

starts moving smoothly, at

E-73

E-74

Sensor modes

An error is indicated during sensor operation.

■

Subjecting the watch to strong impact can cause sensor malfunction or improper contact of internal circuitry. When this happens an error is indicated and the sensor operation cannot be performed. The illustrations below show how errors are indicated in each sensor mode.

Digital Compass

Mode

30 30 30 30

• During digital compass operations, nearby strong magnetism can cause an error to be indicated.

• If the error is indicated during a measurement, restart the measurement. If an error is indicated when

you restart the measurement, it probably means that there is a problem with the sensor or internal circuitry.

Whenever you have a sensor malfunction, take the watch to your original dealer or nearest authorized CASIO distributor as soon as possible.

E-76

Altimeter

Mode

Barometer

Mode

Thermometer

Mode

Time Calibration Signal

The information in this section applies only when

HONOLULU),ANC (ANCHORAGE),LAX (LOS ANGELES),DEN (DENVER),CHI (CHICAGO),NYC

(

NEW YORK),HKG (HONG KONG

( the current time manually when any other city is selected as the Home City.

Second Hand

The

■

Possible Cause Remedy Page

• You are wearing or moving the watch, or

performing a button operation during the signal receive operation.

• The watch is in an area with poor reception

conditions.

You are in an area where signal reception is not possible for some reason.

The calibration signal is not being transmitted for some reason.

The current time setting changes after I set it manually.

■

You may have the watch conﬁ gured for Auto Receive of the time calibration signal (page E-21), which will cause the time to be adjusted automatically according to your currently selected Home City. If this results in the wrong time setting, check your Home City setting and correct it, if necessary (page E-27).

E-78

indicates N (NO) when I check the result of the latest receive operation.

), or

LON (LONDON),PAR (PARIS),ATH (ATHENS),HNL

TYO (TOKYO

) is selected as the Home City. You need to adjust

Keep the watch in an area where reception conditions are good while the signal receive operation is being performed.

See “Approximate Reception Ranges”. E-17

• Check the website of the organization that

maintains the time calibration signal in your area for information about its down times.

• Try again later.

E-18

—

E-75

What causes incorrect direction readings?

■

• The watch may have been exposed to magnetism. Calibrate the direction sensor.

• A nearby source of strong magnetism, such as a household appliance, a large steel bridge, a steel

beam, overhead wires, etc., or an attempt to perform direction measurement on a train, boat, etc. Move away from such objects and try again.

What causes different direction readings to produce different results at the same location?

■

• Magnetism generated by nearby digital noise sources (such as high-tension power lines) can interfere

with the detection of terrestrial magnetism. Move away from the source of the digital noise and try again.

Why am I having problems taking direction readings indoors?

■

A TV, personal computer, speakers, or some other object is interfering with terrestrial magnetism readings. Move away from the object causing the interference or take the direction reading outdoors. Indoor direction readings are particularly difﬁ cult inside ferro-concrete structures. Remember that you will not be able to take direction readings inside of trains, airplanes, etc.

Charging

The watch does not resume operation after I expose it to light.

■

This can happen after the power level drops to Level 3 (page E-12). Continue exposing the watch to light

Second Hand

until the

Second Hand

The

■

at two-second intervals.

The watch probably is not sufﬁ ciently charged yet. Continue keeping it exposed to light.

Auto Receive is not performed or I cannot perform Manual Receive.

■

Possible Cause Remedy Page

The watch is not in the Timekeeping Mode.

Your Home City setting is wrong.

There is not enough power for signal reception. Expose the watch to light to charge it. E-11

Time calibration signal reception is successful, but the time and date settings are wrong.

■

Possible Cause Remedy Page

Your Home City setting is wrong.

The date and time settings may have been affected by strong magnetism or impact.

starts moving smoothly (at one-second intervals).

starts to move at one-second intervals, but then suddenly returns to jumping

E-77

Auto Receive will not be performed if the watch is not in the Timekeeping Mode.

Check your Home City setting and correct it, if necessary.

Adjust the home positions of the hands and day indicator.

E-24

E-27

E-66

Alarm

The alarm does not sound.

■

• The alarm is turned off. Turn on the alarm (page E-64).

• Power may be low. Expose the watch to light until the

one-second intervals (page E-12).

• The crown may be pulled out. Push the crown back in.

• The a.m. (A)/p.m. (P) setting of the watch may be wrong. See “To change the alarm time setting” (page

E-63).

Second Hand

starts moving smoothly, at

E-79

Page 11

Operation Guide 5242

Speciﬁ cations

Accuracy at normal temperature: Timekeeping:

Time Calibration Signal Reception:

Compass:

Altimeter:

E-80

Hour, minutes (hand moves every 10 seconds), seconds, day, day of the week Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099 Other: Home City code (can be assigned one of 29 city codes and Coordinated Universal Time);

Daylight Saving Time (summer time) / Standard Time

calibration signal; Remaining auto receives cancelled as soon as one is successful); Manual receive

Receivable Time Calibration Signals:

Mainﬂ ingen, Germany (Call Sign: DCF77, Frequency: 77.5 kHz); Anthorn, England (Call Sign: MSF, Frequency: 60.0 kHz); Fukushima, Japan (Call Sign: JJY, Frequency: 40.0 kHz); Fukuoka/ Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz); Fort Collins, Colorado, the United States (Call Sign: WWVB, Frequency: 60.0 kHz); Shangqiu City, Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)

20 seconds continuous reading; North indication by hand; Calibration (bidirectional, northerly);

Manual reading

Measurement range: –700 to 10,000 m (or –2,280 to 32,800 ft.) without reference altitude Display range: –3,000 to 10,000m (or –9,840 to 32,800 ft.)

Negative values can be caused by readings produced based on a reference altitude or due to

atmospheric conditions.

Measurement unit: 10 m (or 40 ft.) Other: Calibration; Manual reading

Pressure Sensor Precision:

Conditions (Altitude) Altimeter Barometer

0 to 6000 m

Fixed temperature

Effect of variable temperature

• Values are guaranteed for a temperature range of –10°C to 40°C (14°F to 104°F).

• Precision is lessened by strong impact to either the watch or the sensor, and by temperature extremes.

Temperature Sensor Precision:

Alarm: Stopwatch:

0 to 19680 ft.

6000 to 10000 m

19680 to 32800 ft.

0 to 6000 m

0 to 19680 ft.

6000 to 10000 m

19680 to 32800 ft.

±2°C (±3.6°F) in range of –10°C to 60°C (14°F to 140°F)

Daily alarm

Measuring unit: 1 second Measuring capacity: 11:59' 59" Measuring modes: Elapsed time

± 15 seconds a month (with no signal calibration)

Auto receive up to six times a day (5 times a day for the Chinese

± (altitude differential × 2% + 15 m) m ± (altitude differential × 2% + 50 ft.) ft.

± (altitude differential × 2% + 25 m) m ± (altitude differential × 2% + 90 ft.) ft.

± 50 m every 10°C ± 170 ft. every 50°F

± 70 m every 10°C ± 230 ft. every 50°F

± (pressure differential × 2% + 2 hPa) hPa ± (pressure differential × 2% + 0.059 inHg) inHg

± 5 hPa every 10°C ± 0.148 inHg every 50°F

Barometer:

Measurement range: 260 to 1,100 hPa (or 7.7 to 32.5 inHg) Display unit: 1 hPa (or 0.1 inHg) Other: Calibration; Manual reading; Barometric pressure differential indicator

Thermometer:

Measurement range: –10.0 to 60°C (or 14 to 140°F) Measurement unit: 0.1°C (or 1°F) Other: Calibration; Manual reading

Bearing Sensor Precision:

Direction: Within ±12°

Values are guaranteed for a temperature range of –10°C to 40°C (14°F to 104°F).

Illumination:

Other:

Power Supply:

LED (light-emitting diode); Selectable illumination duration; Auto Light Switch (Full Auto LED

Light operates only in the dark)

Power Saving function; Low battery alert (second hand jumping at 2-second intervals); Auto hand

position adjustment

Solar panel and one rechargeable battery

Approximate battery operating time: 7 months (from full charge to Level 3) under the following

conditions: Alarm: 10 seconds/day Light: 1.5 seconds (one operation)/day Second hand operation: 18 hours/day Time calibration receive: 4 minutes/day Direction reading: 20 times/month (20 seconds continuous reading) Readings using the barometric pressure differential indicator: 12 times/day Climbs: Once (30 altituded readings)/month

Frequent use of illumination runs down the battery. Particular care is required when using the auto light switch (page E-71).

E-81

E-82

City Code Table

PPG (PAGO PAGO) Pago Pago –11 HNL (HONOLULU) Honolulu –10 ANC (ANCHORAGE) Anchorage –9 LAX DEN (DENVER) Denver –7 CHI (CHICAGO) Chicago –6 NYC (NEW YORK) New York –5 SCL (SANTIAGO) Santiago –4 RIO Rio De Janeiro –3 RAI (PRAIA) Praia –1 UTC LON (LONDON) London PAR (PARIS) Paris +1 ATH (ATHENS) Athens +2 JED (JEDDAH) Jeddah +3 THR (TEHRAN) Tehran +3.5 DXB (DUBAI) Dubai +4 KBL (KABUL) Kabul +4.5 KHI (KARACHI) Karachi +5 DEL (DELHI) Delhi +5.5

L-2

City Code City

(LOS ANGELES) Los Angeles –8

UTC Offset/

GMT Differential

E-83

L-1

City Code City

KTM (KATHMANDU) Kathmandu +5.75 DAC (DHAKA) Dhaka +6 RGN (YANGON) Yangon +6.5 BKK (BANGKOK) Bangkok +7 HKG

(HONG KONG) Hong Kong +8 TYO (TOKYO) Tokyo +9 ADL (ADELAIDE) Adelaide +9.5 SYD (SYDNEY) Sydney +10 NOU (NOUMEA) Noumea +11 WLG

(WELLINGTON) Wellington +12

• Based on data as of December 2010.

• The rules governing global times (UTC offset and GMT differential) and summer time are determined

by each individual country.

UTC Offset/

GMT Differential

L-3