Casio 5135 User Manual

MO1006-EA
Operation Guide 5135

Getting Acquainted

Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to read this manual carefully.
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.
Keep the watch exposed to bright light
Bright Light
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Solar cell
The watch continues to operate, even when it is not exposed to light. Leaving the watch in the dark can cause the battery to run down, which will result in some watch functions to be disabled. If the battery goes dead, you will have to re-configure watch settings after recharging. To ensure normal watch operation, be sure to keep it exposed to light as much as possible.
Battery charges in the light. Battery discharges in the dark.
Solar cell (Converts light to electrical power.)
Charge
Rechargeable battery

General Guide

Press B to change from mode to mode.
In any mode, press A to illuminate the face of the watch.
Holding down B for at least two seconds at any time will return directly to the
Timekeeping Mode.
Timekeeping Mode
The electricity generated by the solar cell of the watch is stored by a rechargeable battery. Leaving or using the
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watch where it is not exposed to light causes the battery to run down. Make sure the watch is exposed to light as much as possible.
When you are not wearing the watch on your wrist, position the face so it is pointed at a source of bright light.
You should try to keep the watch outside of your sleeve as much as possible. Charging is reduced significantly if the face is covered only partially.
Bright Light
Electrical energy
All
LEVEL 1
functions
LEVEL 2
enabled
LEVEL 3
LEVEL 4
Press B.
charge
Battery/Receive Mode
Dis-
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Some or all functions disabled
The actual level at which some functions are disabled depends on the watch model.
Frequent display illumination can run down the battery quickly and require charging.
The following guidelines give an idea of the charging time required to recover from a single illumination operation.
Approximately 5 minutes exposure to bright sunlight coming in through a window Approximately about 8 hours exposure to indoor fluorescent lighting
Be sure to read “Power Supply” for important information you need to know when exposing the watch to bright light.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch’s Power Saving function has turned off the display to conserve power.
See “Power Saving Function” for more information.
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.
About This Manual
Depending on the model of your watch, display text appears either as dark figures on a light background, or light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background.
Button operations are indicated using the letters shown in the illustration.
Each section of this manual provides you with the information you need to perform
operations in each mode. Further details and technical information can be found in the “Reference” section.
Alarm Mode
World Time Mode
Switching the Display Screen
Each press of C changes the contents of the digital display.
Date Screen
Day of week
Day
Month
Press C.
C
Receiving Indicator and Seconds Count
Current Time Screen
Receiving indicator Appears when reception is successful.
Seconds
C
Hour : Minutes PM indicator

Radio-controlled Atomic Timekeeping

This watch receives a time calibration signal and updates its time setting accordingly.
This watch is designed to pick up the time calibration signals transmitted in Germany (Mainflingen), England (Anthorn), the United States (Fort Collins), China (Shangqiu), and Japan (Fukushima, Fukuoka/Saga).
Current Time Setting
This watch adjusts its time setting automatically in accordance with a time calibration signal. You also can perform a manual procedure to set the time and date, when necessary.
The first thing you should do after purchasing this watch is to specify your Home City (the city where you normally will use the watch). For more information, see “To specify your Home City”.
When using the watch outside the areas covered by the time signal transmitters, you will have to adjust the current time setting manually as required. See “Timekeeping” for more information about manual time settings.
The U.S. time calibration signal can be picked up by the watch while in North America. The term “North America” in this manual refers to the area that consists of Canada, the continental United States, and Mexico.
As of March 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.
Using this watch in a country covered by a time calibration that is different from the countries it supports may result in incorrect time indication due to local application of summer time, etc.
Countdown Timer Mode
To specify your Home City
City code
Stopwatch Mode
1. In the Timekeeping Mode, hold down A for about three
seconds. You can release the button after “ADJ” appears on the display.
At this time, “12H” (12-hour timekeeping) or “24H” (24- hour timekeeping) also will be flashing on the display.
2. Press B.
The city code of the current Home City will flash, which indicates the setting screen.
3. Press C (east) to select the city code you want to use
as your Home City.
LON : London PAR : Paris ATH : Athens HKG: Hong Kong TYO :Tokyo HNL : Honolulu ANC :Anchorage LAX : Los Angeles DEN : Denver CHI : Chicago NYC :New York
1
Operation Guide 5135
4. Press A to exit the setting screen.
Normally, your watch should show the correct time as soon as you select your Home City code. If it does not, it should adjust automatically after the next auto receive operation (in the middle of the night). You also can perform manual receive or you can set the time manually.
The watch will receive the time calibration signal automatically from the applicable transmitter (in the middle of the night) and update its settings accordingly. For information about the relationship between city codes and transmitters, see “Important!” under “Time Calibration Signal Reception” and “Transmitters”.
See the maps under “Approximate Reception Ranges” for information about the reception ranges of the watch.
You can disable time signal reception, if you want. See “To turn auto receive on and off” for more information.
Under factory default settings, auto receive is turned off for all of the following city codes: HNL (Honolulu) and ANC (Anchorage). For details about turning on auto receive for these city codes, see “To turn auto receive on and off ”.
Time Calibration Signal Reception
There are two different methods you can use to receive the time calibration signal: auto receive and manual receive.
Auto Receive
With auto receive, the watch receives the time calibration signal automatically up to 6 times a day (5 times a day for the Chinese calibration signal). When any auto receive is successful, the remaining auto receive operations are not performed. For more information, see “About Auto Receive”.
Manual Receive
Manual receive lets you start a time calibration receive operation with the press of a button. For more information, see “To perform manual receive”.
Important!
When getting ready to receive the time calibration signal, position the watch as shown in the nearby illustration, with its 12 o’clock side pointing towards a window. This watch is designed to receive a time calibration signal late at night. Because of this, you should place the watch near a window as shown in the illustration when you take it off at night. Make sure there are no metal objects nearby.
12 o’clock
or
Make sure the watch is facing the right way.
Proper signal reception can be difficult or even impossible under the conditions listed
below.
Near
Inside or among buildings
Signal reception normally is better at night than during the day.
Time calibration signal reception 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 operations or move the watch during this time.
The time calibration signal the watch will attempt to pick up depends on its current Home City code setting as shown below.
HNL*, ANC*, LAX,
* The areas covered by the HNL and ANC city codes are quite far from the time
calibration signal transmitters, and so certain conditions may cause problems with signal reception.
Calibration signal reception is disabled while a countdown timer operation is in progress.
Inside a vehicle
Home City Code
LON, PAR, ATH
HKG
TYO
DEN, CHI, NYC
household appliances, office equipment, or a mobile phone
Anthorn (England) Mainflingen (Germany) Shangqiu City (China) Fukushima (Japan) Fukuoka/Saga (Japan) Fort Collins, Colorado
(the United States)
Near a construction site, airport, or other sources of electrical noise
Transmitter
Near high­tension power lines
Among or behind mountains
Frequency
60.0 kHz
77.5 kHz
68.5 kHz
40.0 kHz
60.0 kHz
60.0 kHz
Approximate Reception Ranges
U.K. and German Signals
1,500 kilometers
Anthorn
500 kilometers
The Anthorn signal is receivable within this area.
Mainflingen
U.S. Signal
2,000 miles (3,000 kilometers)
600 miles (1,000 kilometers)
Fort Collins
Japan Signals
500 kilometers
Fukuoka/Saga
1,000 kilometers
500 kilometers
Fukushima
1,000 kilometers
China Signal
1,500 kilometers
500 kilometers
Chengdu
Shangqiu
Signal reception may not be possible at the distances noted below during certain times of the year or day. Radio interference also may cause problems with reception.
Mainflingen (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: 1,500 kilometers (910 miles)
Even when the watch is within the reception range of the transmitter, signal reception will be impossible if the signal is blocked by mountains or other geological formations between the watch and signal source.
Signal reception is affected by weather, atmospheric conditions, and seasonal changes.
See the information under “Signal Reception Troubleshooting” if you experience problems with time calibration signal reception.
About Auto Receive
The watch receives the time calibration signal automatically up to 6 times a day (5 times a day for the Chinese calibration signal). When any auto receive is successful, the remaining auto receive operations are not performed. The reception schedule (calibration times) depends on your currently selected Home City, and whether standard time or Daylight Saving Time is selected for your Home City.
Your Home City
Standard Time
LON
Daylight Saving Time
Standard Time
PAR
Daylight Saving Time
Standard Time
ATH
Daylight Saving Time Standard Time and
HKG
Daylight Saving Time
TYO
Standard Time
HNL
Standard Time and
ANC
Daylight Saving Time LAX DEN CHI NYC
Note
When a calibration time is reached, the watch will receive the calibration signal only if it is in either the Timekeeping Mode or World Time Mode. Reception is not performed if a calibration time is reached while you are configuring settings.
Auto receive of the calibration signal is designed to be performed early in the morning, while you sleep (provided that the Timekeeping Mode time is set correctly). Before going to bed for the night, remove the watch from your wrist, and put it in a location where it can receive the signal easily.
Remember that reception of the calibration signal depends on the current time in the Timekeeping Mode. The receive operation will be performed whenever the display shows any one of the calibration times, regardless of whether or not the displayed time actually is the correct time.
To perform manual receive
Receiving
READY (or R)
Even under optimum reception conditions, it can take about 30 seconds for reception to stabilize.
Check the second hand position to find out the status of a receive operation and to determine the best location for signal reception.
Note that weather, the time of day, surroundings, and other factors all can affect reception.
Note
To cancel an ongoing signal receive operation, press any button.
When reception is successful
Receive successful
Receive successful indicator
1
1:00 am 2:00 am
2:00 am 3:00 am
3:00 am 4:00 am
1:00 am
Midnight
Midnight
1. While in the Timekeeping Mode or Battery/Receive
Mode, hold down C for about two seconds.
The second hand will move to READY (R) and signal reception will start.
The digital display will go blank at this time.
The second hand will indicate the current reception
status.
READY (or R): Unstable WORK (or W) : Stable
Keep the watch in a location where reception is stable while a receive operation is in progress.
Signal reception 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 operations or move the watch during this time.
GET” appears when reception is complete, and the watch adjusts its current time setting.
To return to the Timekeeping Mode after “GET” appears, press B or C, or do not perform any operation for one or two minutes.
The receive successful indicator is displayed after a successful receive operation.
Auto Receive Start Times
2
2:00 am 3:00 am
3:00 am 4:00 am
4:00 am 5:00 am
2:00 am
1:00 am
1:00 am
3
3:00 am 4:00 am
4:00 am 5:00 am
5:00 am Midnight*
3:00 am
2:00 am
2:00 am
4
4:00 am 5:00 am
5:00 am Midnight*
Midnight* 1:00 am*
4:00 am
3:00 am
3:00 am
5
5:00 am Midnight*
Midnight* 1:00 am*
1:00 am* 2:00 am*
5:00 am
4:00 am
4:00 am
Changchun
Beijing
Shanghai
Hong Kong
6
Midnight* 1:00 am*
1:00 am* 2:00 am*
2:00 am* 3:00 am*
5:00 am
5:00 am
*Next day
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