Casio 5073 Manual De Usuario

1

MA0905-EA

Congratulations upon your selection of this CASIO watch.

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.

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.

Button operations are indicated using the letters A 

through D shown in the illustration.

Hand Functions
Regular timekeeping
z 

 Hour Hand

x 

 Second Hand

c 

 Minute Hand

v 

 Day of the Week Hand

b 

 Day

World Time
n 

 World Time Hour Hand:  Indicates the current time in the World Time City in  

24-hour format.

m 

 World Time Minute Hand

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

1.  Hold down C for about two seconds to enter regular timekeeping, and then 

observe the movement of the x Second Hand.

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?

Go to step 2.

The watch is charged sufficiently. 

For details about charging, see 

“Charging the Watch”.

Power is low. Charge the watch by placing 

it in a location where it is exposed to light. 

For details, see “Charging the Watch”.

NO

YES

YES

NEXT

Use the procedure under “To configure Home City settings” to configure your Home 

City and daylight saving time settings.

Important!
Proper time calibration signal reception and World Time settings depend on correct 

Home City, Home Time, and Home Date settings. Make sure you configure these 

settings correctly.

 To set the time using a time calibration signal 

 

•

See “To get ready for a receive operation”.
 To set the time manually 

 

•

See “Configuring Current Time and Date Settings Manually”.

The watch is now ready for use.
 For details about the watch’s radio controlled timekeeping feature, see “Radio 

Controlled Atomic Timekeeping”.

The face of the watch is a solar cell 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.

Whenever you are not 

wearing the watch, 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.

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 if its face is 

blocked by your sleeve 

even only partially.

 On the dashboard of a car parked in direct sunlight

 

•

 Too close to an incandescent lamp

 

•

 Under direct sunlight

 

•

 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.

B

+

5

6

*

@

>

B

+

@

*

Moves at two-second 

intervals.

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

observing the movement of the x 

Second Hand.

 If the 

 

•

x

 Second Hand is moving normally at one-second 

intervals, power is at Level 1.
 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.

1

Normal

All functions enabled

2

x

 Second Hand moves at two-second 

intervals.

b

 Day changes to 1 (home position).

Time calibration signal reception 

disabled

3

x

 Second Hand stopped.

z

 Hour Hand and c Minute Hand stopped 

at 12 o’clock.

All functions disabled

 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 

sufficiently during this period, the analog 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.

Outdoor sunlight (50,000 lux)

8 min.

2 hours

24 hours

Window sunlight (10,000 lux)

30 min.

6 hours

89 hours

Window sunlight on cloudy day 

(5,000 lux)

48 min.

9 hours

145 hours

Indoor fluorescent lighting (500 lux)

8 hours

98 hours

– – –

*

*

 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 Specifications.

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”.

 

•

60 to 70 minutes  

(second hand sleep)

x

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

functions enabled

6 or 7 days (function sleep)

All functions, including analog timekeeping, disabled

 

•

Internal timekeeping maintained

 

•

 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.

To recover from the sleep state
Move the watch to a well-lit area or press any button.

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 “Configuring Current 

Time and Date Settings Manually” 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.

LON, PAR, ATH

Anthorn (England), Mainflingen (Germany)

HKG

Shangqiu City (China)

TYO

Fukushima (Japan), Fukuoka/Saga (Japan)

HNL, ANC, LAX, DEN, CHI, NYC

Fort Collins, Colorado (United States)

 The areas covered by 

 

•

HNL and ANC are quite far from the calibration signal 

transmitters, so certain conditions may cause reception problems.
 When 

 

•

HNL or HKG is selected as the Home City, only the time and date are 

adjusted according to the time calibration signal. You need to switch manually 

between standard time and daylight saving time (DST) if required. See “To toggle 

the Home City time between standard time and daylight saving time” for information 

about how to do this.