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Casio 5161 Operation Manual

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MO1008-EA
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.
E
• 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.
Bright Light
Solar cell
(Converts light to
electrical power.)
LEVEL 1
LEVEL 2
LEVEL 3
Charge
LEVEL 4
Rechargeable battery
E-2
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.
E-4
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To specify your Home City ................................................................................... E-12
To perform manual receive .................................................................................. E-25
To turn auto receive on and off ........................................................................... E-27
To view the latest signal reception results ......................................................... E-28
To view the time in another city ........................................................................... E-33
To set an alarm time ............................................................................................. E-36
To turn the Hourly Time Signal on and off .......................................................... E-38
E-6
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
E-8
Operation Guide 5161
Battery discharges in the dark.
Electrical
energy
All
LEVEL 1
functions
LEVEL 2
enabled
LEVEL 3
Dis-
charge
LEVEL 4
Battery/Receive Mode
Press B.
Keep the watch exposed to bright light
Bright Light
Solar cell
• 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" (page E-45) 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" (page E-69) for more information.
Some or all
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage
functions
or loss suffered by you or any third party arising through the use of this product or
disabled
its malfunction.
Contents
General Guide ......................................................................................................... E-8
World Time ............................................................................................................. E-32
Alarms .................................................................................................................... E-35
Stopwatch .............................................................................................................. E-40
Countdown Timer .................................................................................................. E-42
Power Supply ........................................................................................................ E-45
Timekeeping .......................................................................................................... E-53
Adjusting Home Positions ................................................................................... E-63
Reference .............................................................................................................. E-67
Specifications ....................................................................................................... E-76
To turn off all alarms and the Hourly Time Signal .............................................. E-39
To measure times with the stopwatch ................................................................ E-40
To configure the countdown timer ...................................................................... E-43
To use the countdown timer ................................................................................ E-44
To set the time and date manually ...................................................................... E-54
To change the Daylight Saving Time (summer time) setting ............................ E-59
To adjust home positions ..................................................................................... E-64
To turn the button operation tone on and off ..................................................... E-68
To recover from the sleep state ........................................................................... E-70
World Time Mode
Countdown Timer Mode
The electricity generated by the solar cell of the watch is
stored by a rechargeable battery. Leaving or using the
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.
Alarm Mode
Stopwatch Mode
E-1
E-3
E-5
E-7
E-9

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  Summary of Contents for Casio 5161

  • Page 1: Table Of Contents

    Keep the watch exposed to bright light The electricity generated by the solar cell of the watch is Congratulations upon your selection of this CASIO watch. To get the most out of your Bright Light stored by a rechargeable battery. Leaving or using the purchase, be sure to read this manual carefully.
  • Page 2: Radio-Controlled Atomic Timekeeping

    Operation Guide 5161 Switching the Display Screen Radio-controlled Atomic Timekeeping In the Timekeeping Mode, each press of C changes the contents of the digital This watch receives a time calibration signal and updates its time setting accordingly. display. • This watch is designed to pick up the time calibration signals transmitted in Germany...
  • Page 3: To Perform Manual Receive

    Operation Guide 5161 • Signal reception may not be possible at the distances noted below during certain Japan Signals times of the year or day. Radio interference also may cause problems with reception. 500 kilometers 500 kilometers Mainflingen (Germany) or Anthorn (England) transmitters: 500 kilometers...
  • Page 4: To View The Time In Another City

    Operation Guide 5161 Problem Probable Cause What you should do Problem Probable Cause What you should do • Even if reception is successful • Check to make sure the watch • If the time is one hour off, the • Change the DST setting to...
  • Page 5: Stopwatch

    All functions enabled. CASIO distributor about having it replaced. • Never try to remove or replace the watch’s rechargeable battery yourself. Use of the Watch enters Timekeeping Mode and second wrong type of battery can damage the watch.
  • Page 6: Timekeeping

    Operation Guide 5161 Charging Guide Charging Precautions The following table shows the amount of time the watch needs to be exposed to light Certain charging conditions can cause the watch to become very hot. Avoid leaving each day in order to generate enough power for normal daily operations.
  • Page 7: Adjusting Home Positions

    Operation Guide 5161 4. When the setting you want is selected, press A to exit the setting screen. • The DST indicator appears to indicate that Daylight Saving Time is turned on. This setting turns off summer time, and displays the current time normally.
  • Page 8: To Recover From The Sleep State

    Operation Guide 5161 • Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state. • Even if the time calibration signal is received properly, certain conditions can cause • The watch will not enter the sleep state between 6:00 AM and 9:59 PM. If the watch the time setting to be off by up to one second.
  • Page 9 Operation Guide 5161 Operation Guide 5161 City Code Table City UTC Offset/ City UTC Offset/ City UTC Offset/ City City City Code GMT Differential Code GMT Differential Code GMT Differential Athens Adelaide +9.5 Pago Pago –11 Jeddah Sydney Honolulu –10 Tehran +3.5...