Casio 5311 User Manual

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Operation Guide 5311

x 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.

x To ensure correct direction readings by this watch, be sure to perform

bidirectional calibration before using it. The watch may produce incorrect direction readings if you do not perform bidirectional calibration. For more information, see “To perform bidirectional calibration” (page E-56).

x 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.

E-2

Warning!

Using the Crown

This watch has a lock-type crown.

Important!

x 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 lock the crown

Mark 1

E-4

1. Push the crown back in (see “To pull out, rotate, or push the crown in” below).

Groove

Mark 2

x Note that attempting to lock the crown when it is not pushed

in can cause unexpected watch operation.

2. Rotate the crown so any one of its three grooves is aligned with Mark 1.

3. While pushing in on the crown (a), rotate it to the right (b) until it stops, and align the groove with Mark 2.

Congratulations upon your selection of this CASIO watch.

x 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.

This watch does not have a city code that corresponds to the UTC offset of –3.5 hours. Because of this, the radio-controlled atomic timekeeping function will not display the correct time for Newfoundland, Canada.

About This Manual

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

Hands and Indicators

ENGLISH



4. Gently pull on the crown to make sure it is securely locked and does not come out.

To unlock the crown

Rotate the crown so the groove aligns with Mark 1.

To pull out, rotate, or push the crown in

Important!

x Before performing any of these operations, ﬁ rst unlock the crown.

The illustrations below show the different crown operations.

Pull out Rotate Push in

Hour Hand Second Hand Minute Hand Upper Dial Hand: Indicates a time, in 24-hour format,

Lower Dial Hand: Indicates the current mode. Day Indicator

This User’s Guide uses numbers shown above to identify watch hands and indicator.

depending on the current mode.

E-1

E-3

E-5

High-speed Movement

When rotating the crown to move the hands of the watch, you can use the operations described below to move the hands at high speed, either forward or back. There are two high-speed levels: HS1 and HS2 (faster than HS1).

To start HS1 high-speed movement

To start HS2 high-speed movement

E-6

While the crown is pulled out, rotate it rapidly three turns away from you (for forward movement) or towards you (for reverse movement). High-speed movement will continue even if you release the crown.

While HS1 high-speed movement is in progress, again rotate the crown rapidly three turns in the same direction as the current HS1 movement (away from you for forward movement or towards you for reverse movement).

Things to check before using the watch

1. Hold down C at least two seconds to enter the Timekeeping Mode, and

then observe the movement of the

Is the x Second Hand moving smoothly at one-second intervals?

Is the x Second Hand moving at two-second intervals 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-14).

E-8

YES

Second Hand.

The watch is charged. For details about charging, see “Charging the Watch” (page E-14).

Go to step 2.

YES

To stop high-speed movement

Rotate the crown in the direction that is opposite that of the

Note

x If you do not perform any operation for more than two 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.

x You can use high-speed hand movement when conﬁ guring time settings in the

Timekeeping Mode, Alarm Mode, or Countdown Timer Mode.

x Button operations become disabled after you perform a crown operation. If this

happens, rotate the crown slightly. This should restore button operations.

2. Check the Home City.

Use the procedure under “To conﬁ gure Home City settings” (page E-36) to conﬁ gure your Home City.

Important!

x Proper time calibration signal reception depends on correct Home City, time, and

day settings in the Timekeeping Mode. Make sure you conﬁ gure these settings correctly.

3. Set the current time.

x To set the time using a time calibration signal

See “To get ready for a receive operation” (page E-25).

x To set the time manually

See “Conﬁ guring Current Time and Day Settings Manually” (page E-41).

The watch is now ready for use.

x For details about the watch’s radio controlled timekeeping feature, see “Radio

Controlled Atomic Timekeeping” (page E-20).

current high-speed movement or press any button.

E-7

E-9

Operation Guide 5311

Contents

E-3 About This Manual

E-4 Using the Crown

E-4 To lock the crown E-5 To unlock the crown E-5 To pull out, rotate, or push the crown in

E-8 Things to check before using the watch

E-14 Charging the Watch

E-19 To recover from the sleep state

E-20 Radio Controlled Atomic Timekeeping

E-25 To get ready for a receive operation E-28 To perform manual receive E-29 To check the result of the latest receive operation E-30 To turn auto receive on and off

E-10

E-63 Checking the Current Time in a Different Time Zone

E-64 To view the time in another time zone E-67 To swap your Home City and World Time City

E-69 Using the Stopwatch

E-70 To enter and exit the Stopwatch Mode E-70 To perform an elapsed time operation E-70 To perform ﬂ yback timing

E-72 Using the Countdown Timer

E-73 To specify the countdown start time E-74 To perform a countdown timer operation E-74 To stop the alarm

E-75 Using the Alarm

E-76 To change the alarm time setting E-78 To turn the alarm on or off E-78 To stop the alarm

E-12

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

E-14

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

x Best charging

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

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

x The watch may enter a

sleep state (page E-19) if its face is blocked by your sleeve even only partially.

E-32 Mode Reference Guide

E-33 To determine the watch’s current mode E-33 To return to the Timekeeping Mode from any other mode E-34 To select a mode

E-35 Timekeeping

E-36 Conﬁ guring Home City Settings

E-36 To conﬁ gure Home City settings E-39 To switch between standard time and summer time manually

E-41 Conﬁ guring Current Time and Day Settings Manually

E-41 To change the current time setting manually E-44 To change the current day setting manually

E-48 Taking Direction Readings

E-50 To take a direction reading E-56 To perform bidirectional calibration E-58 To perform northerly calibration

E-79 Adjusting Home Positions

E-81 To adjust home positions

E-11

E-83 Troubleshooting

E-95 Speciﬁ cations

E-13

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.

x On the dashboard of a car parked in direct sunlight x Too close to an incandescent lamp x Under direct sunlight

Important!

x 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.

x 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.

Checking the Current Power Level

Certain functions will be disabled when the power level is low. If the power level is low, leave the watch in a location where its face (solar panel) is exposed to light.

E-15

Low Power

Low power conditions are indicated by the movement of the

Second Hand in the Timekeeping Mode.

x If the x Second Hand is moving normally at one-second

intervals, power is at Level 1.

x If the x Second Hand is moving at two-second intervals,



power is at Level 2, which is quite low. Expose the watch to light as soon as possible so it can charge.

Low Battery Alert (Hand Movement and Function Status)

Moves at two-second intervals.

E-16

Level Hand Movement Function Status

1 Normal. All functions enabled

xx Second Hand moves at

two-second intervals.

xx Second Hand stopped.

Beeper and time calibration signal reception disabled.

All functions disabled

Charging Times

Exposure Level (Brightness)

Outdoor sunlight (50,000 lux) 8 minutes 2 hours 27 hours

Window sunlight (10,000 lux) 30 minutes 6 hours 99 hours

Window sunlight on cloudy day (5,000 lux)

Indoor ﬂ uorescent lighting (500 lux)

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

x The above times are for reference only. Actual times depend on lighting conditions. x For details about the operating time and daily operating conditions, see the “Power

Supply” section of the Speciﬁ cations (page E-97).

E-18

Daily

Operation *1

48 minutes 10 hours 161 hours

8 hours 111 hours – – –

Level Change *2

Level 3 Level 2 Level 1

x When power drops to Level 3, all settings (including timekeeping) will be cleared.

Recharging the battery will reset all settings to their initial factory defaults.

x When the watch is at Level 3, exposing it to light for a while will cause the x Second

Hand to move to the position of second 57. This indicates that charging has started.

Power Recovery Mode

The watch is designed to go into a power recovery mode that stops hand operation temporarily whenever power suddenly drops below a certain level due to continuous signal reception or other operations over a short period. Note that all operations are disabled while the watch is 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 (second hand sleep or function sleep) whenever the watch is left for a certain period in an area where it is dark.

Elapsed Time in Dark Operation

60 to 70 minutes (second hand sleep)

6 or 7 days (function sleep)

x 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 there.

x The watch will not enter a sleep state while it is in the Stopwatch Mode or

Countdown Timer Mode.

To recover from the sleep state

Move the watch to a well-lit area or press any button.

xx Second Hand only stopped at 12 o’clock, all other functions

enabled

x All functions, including analog timekeeping, disabled x Internal timekeeping maintained

E-17

E-19

Operation Guide 5311

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 Day Settings Manually” (page E-41) 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.

E-20

Approximate Reception Ranges

UK and German Signals North American Signal

Anthorn

500 kilometers

1,500 kilometers

The Anthorn signal is receivable within this area.

E-22

x 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)

x As of December 2012, 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.

x 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 daylight saving time (summer time), etc.

E-24

Mainﬂ ingen

2,000 miles (3,000 kilometers)

600 miles (1,000 kilometers)

Fort Collins

If your Home City Code setting is this:

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

HKG (HONG KONG) Shangqiu City (China)

TYO (TOKYO)

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

Important!

x The areas covered by HNL (HONOLULU) and ANC (ANCHORAGE) are quite far

from the calibration signal transmitters, so certain conditions may cause reception problems.

Japanese Signals Chinese Signal

500 kilometers

Fukuoka/Saga

To get ready for a receive operation

1. Conﬁ rm that the watch is in the Timekeeping Mode. If it isn’t, hold down C for at

least two seconds to enter the Timekeeping Mode.

Fukushima

1,000 kilometers

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

12 o’clock

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

Anthorn (England), Mainﬂ ingen (Germany)

Fukushima (Japan), Fukuoka/Saga (Japan)

Fort Collins, Colorado (United States)

Changchun500 kilometers

Beijing Shangqiu Shanghai Chengdu Hong Kong

1,500 kilometers

x 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.

x Signal reception normally is better

at night.

x The receive operation takes from

two to 10 minutes, but in some cases it can take as long as 20 minutes. Take care that you do not perform any button operation or move the watch during this time.

E-21

E-23

E-25

x Signal reception may be difﬁ cult or even impossible under the conditions

described below.

Inside or among buildings

E-26

To perform manual receive

1. In the Timekeeping Mode (page E-35), keep B depressed (for about two seconds) as

the

2. The

E-28

Inside a vehicle

Second Hand goes through the following sequence.

x Moves to Y (YES) or N (NO) to indicate the last signal reception result, then to

R (READY).

Near household appliances, ofﬁ ce equipment, or a mobile phone

Near a construction site, airport, or other sources of electrical noise

Near high-tension power lines

Among or behind mountains

Second Hand indicates the operations the watch is currently performing.

When the xx Second Hand is pointed here:

R (READY)

W (WORK) Reception is in progress.



x If signal reception is unstable, the xx Second Hand may

move between W (WORK) and R (READY).

x When the receive operation is successful, the watch

adjusts the time setting accordingly, and then resumes regular timekeeping. It does not adjust the setting if the operation failed.

It means this:

Watch is setting up for reception.

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

x Auto Receive: Leave the watch over night in the location you selected in step 2.

See “Auto Receive” on page E-27 for details.

x Manual Receive: Perform the operation under “To perform manual receive” on

page E-28.

Auto Receive

x 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. (according to the Timekeeping Mode time). When any receive operation is successful, none of the other receive operations for that day are performed.

x When a calibration time is reached, the watch will perform the receive operation

only if it is in the Timekeeping Mode. The receive operation is not performed if a calibration time is reached while you are conﬁ guring settings.

Note

x To interrupt a receive operation and return to the Timekeeping Mode, press any

button.

To check the result of the latest receive operation

In the Timekeeping Mode, press B. The Hand will move to Y (YES) or N (NO) to indicate the last calibration signal receive result.

x The x Second Hand will move to Y (YES) if the latest

receive operation was successful, or N (NO) if it was not. After about 10 seconds, regular timekeeping will



resume.

x Press B to return to regular timekeeping. The watch will

also return to regular timekeeping if you do not perform any operation for about 10 seconds.

Second

E-27

E-29

Operation Guide 5311

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Note

x The x Second Hand will indicate N (NO) if you have adjusted the time or day

setting manually since the latest receive operation.

To turn auto receive on and off

E-30

Y (YES)

1. In the Timekeeping Mode, press B. The

Hand will move to Y (YES) or N (NO) to indicate the last calibration signal receive result.

2. Pull out the crown.

Second Hand will perform one full revolution and

The then stop at the current on/off setting.



3. Rotate the crown to move the setting you want.

x To turn on auto receive, select Y (YES).

N (NO)

x To turn off auto receive, select N (NO).

4. Push the crown back in to return to the Timekeeping Mode.

Second

Second Hand to the

Mode Reference Guide

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

To do this: Enter this mode: See:

x Conﬁ gure Home City and DST (daylight saving time) settings x Perform a time calibration signal receive operation or view

the last receive result

x Change the Auto Receive on/off setting x Conﬁ gure time and day settings manually x Determine magnetic north

x View the current time in one of 29 cities around the globe x Conﬁ gure World Time City and summer time settings x Swap the Home City and World Time City

Use the stopwatch to measure elapsed time Stopwatch Mode E-69

Use the countdown timer

E-32

To select a mode

Each press of C will cycle between modes. The currently selected mode is indicated

Lower Dial Hand.

by the

Timekeeping Mode World Time Mode

Alarm Mode

Countdown Timer Mode

Timekeeping Mode

World Time Mode

Countdown Timer Mode

Stopwatch Mode

E-35

E-48

E-63 E-64 E-67

E-72

Radio-controlled Atomic Timekeeping Precautions

x Strong electrostatic charge can result in the wrong time setting. x Even if a receive operation is successful, certain conditions can cause the time

setting to be off by up to one second.

x The watch is designed to update its day setting automatically for the period from

January 1, 2000 to December 31, 2099. Updating of the day setting by signal reception will no longer be performed starting from January 1, 2100.

x 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-95).

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

− While power is at Level 2 or lower (page E-16)

− While the watch is in the power recovery mode (page E-17)

− While the watch is in the function sleep state (power saving, page E-19)

− While the watch is not in the Timekeeping Mode

− While a direction reading or Countdown Timer operation is in progress (even if the

watch is in the Timekeeping Mode)

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

To do this: Enter this mode: See:

x Set an alarm time x Turn the alarm ON or OFF

Selecting a Mode

With this watch, everything starts from the Timekeeping Mode.

To determine the watch’s current mode

Check what the b under “To select a mode” (page E-34).



To return to the Timekeeping Mode from any other mode

Hold down C for at least two seconds.

Lower Dial Hand is indicating as shown

Alarm Mode

Timekeeping

To enter the Timekeeping Mode, hold down C at least two seconds.

Hand Functions

Hour Hand Second Hand Minute Hand



Upper Dial Hand: Indicates the current hour in the

Lower Dial Hand: Points to the day of the week. Day Indicator

Home City time in 24-hour format.

E-75 E-78

E-31

E-33

E-34

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

x This watch does not have a city code that corresponds



TYO (TOKYO)

E-36

STD/DST Switching

You can select summer time or standard time independently for each city. The initial default setting for all cities is AT (AUTO). Normally you should use the AT (AUTO) setting because it automatically switches between summer time and standard time. You should change the setting to STD (standard time) or DST (summer time) in the following cases.

− When using a time of a location that is not included in the watch’s list of 29 cities

− When the preset AUTO standard time/summer time timing is incorrect for some

reason

Daylight Saving Time (DST)

Daylight Saving Time (summer time) advances the time setting by one hour from Standard Time. Remember that not all countries or even local areas use Daylight Saving Time.

x Note that you cannot switch between STD (standard time) and DST (daylight

saving time) while UTC* is selected as your Home City.

* Coordinated Universal Time, the world-wide scientiﬁ c standard of timekeeping. The

reference point for UTC is Greenwich, England.

E-38

to Newfoundland.

1. Pull out the crown.

x This will cause the x Second Hand to move to the

city code of the currently selected Home City.

x This indicates the city code setting mode.

x If you do not perform any operation with the crown for about two minutes after

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

x For details about city codes, see the “City Code Table” at the back of this

manual.

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

x Each time you select a city code, the z Hour Hand,

Minute Hand and n Day Indicator move to the



To switch between standard time and summer time manually

1. Perform steps 1 and 2 under “To conﬁ gure Home City settings” (page E-36).

x Selecting a city code will cause the z Hour Hand, c Minute Hand, and

Upper Dial Hand to move automatically to the current time for the selected

city code.

x If you will use the watch in a city that is not included in the city code list, select a

city code that is in the same time zone as your city.

x Displaying the Home City Settings screen will cause the b Lower Dial Hand to

move to AT (auto switching), STD (standard time), or DST (daylight saving time).

The watch automatically switches between standard time and daylight

AT (AUTO)

saving time in accordance with its calendar.

STD The watch always shows standard time.

DST The watch always shows daylight saving time.

current time and day for that city code.

3. Push the crown back in to return to the Timekeeping Mode.

Second Hand to the city

E-35

E-37

E-39

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