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                        Instruction Manual
for
Digital Pedometer
Model TW310
Contents
Safety precautions 2
Features 4
Before using this product 5
Changing the time 6
Let’s walk 7
Method of operation 9
About the battery 10
Troubleshooting 12
Specifi cations/Warranty 14
• Thank you for purchasing the digital pedometer TW310.
• Please read this Instruction Manual before using this 
unit.
• Please keep this Instruction Manual for your future 
reference.                                                                        
                    
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                        Safety precautions This instruction manual uses various illustrations to  explain how to use the product correctly and safely in  order to prevent any damage or injuries occurring to  you, other people or property. The column bearing this mark describes  the content related to a hazard that may  Warning cause death or serious injuries. The column bearing this mark describes  the content related to a hazard that may  Caution cause injuries or property damage. This mark indicates prohibited action
                    
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                        Precautions for handling and  storage ■■ About handling • Never disassemble the product. >> Otherwise it may result in product failure. • Do not use or store the product in a dusty or  damp location or where it may come in con- tact with water. >> Otherwise it may cause the product to  fail. • Do not subject the product to vibration or  impact. >> Otherwise it may cause the product to  fail. • Be careful not to put the product into a wash- ing machine by mistake or drop it in water. >> Otherwise
                    
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                        Features • The 3D (triaxial accelerometer) sensor  enables the pedometer to count the number of  steps in any direction when placed in a pocket  or bag. • Simple function for measuring the number  of steps only. • Large, easy-to-see display. • The number of steps taken the previous day  is stored in the memory. You can view the data  at any time. • If no buttons are pressed for a while, the screen  is automatically returned from the clock/memory  screen for the previous day to the step number  d
                    
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                        Before using this product Before actually using the pedometer,  be sure to read the Safety Precautions. Check the contents of the pack- age and the names of the parts Main unit MODE button (Back) (Front) SET button Reset button Clip Battery for trial use  Strap (inserted) Initializing the product Turn on the power 1 Press and hold the [MODE] button (for at  least three seconds). •  The entire display screen lights and clock  setting mode is enabled. 5                                             
                    
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                        Set the clock 2 Press the [MODE] button until the correct  hour is displayed. •  The hour is displayed in 24-hour format. For  example, to set 2:00 pm, set 14:00. 3 Press the [SET] button. 4 Press the [MODE] button until the correct  minutes are displayed. 5 Press the [SET] button. •  Clock setting is now completed. Changing the time If you make a mistake or if you want to  change the time, follow the procedure  below. 1 Press the [MODE] button to display the cur- rent time. (See page 9) 2 Press
                    
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                        Let’s walk When you have fi nished setting the  clock, the pedometer is ready to use. This section explains how to carry   around the pedometer. How to attach the strap Thread the short end of the strap through  the pedometer as illustrated in 1 and  thread the long end of the strap through the  clip as illustrated in 2. 12 How to carry around the pedometer Slide the pedometer in your pocket or carry  it around in your bag. 7                                                                        
                    
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                        Clip the strap to your pocket or  the side of your bag to prevent it  from falling out. Take care not to  pull too hard on the strap while  the clip is attached to your  clothes. Doing so may damage the fabric. For correct measuring Do not swing the pedometer No sports or jogging  Other causes of measuring errors The pedometer may not measure correctly  in the following situations. • When you shu ffl  e your feet • When you wear sandals, clogs or fl ip-fl ops • When you walk up or down a steep slope
                    
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                        Method of operation Standard display The following image illustrates the standard  display. When an alternate mode is selected.  the unit automatically returns to standard  display mode if it is not in active usage for  approximately 15 seconds. Number of steps  walked today • If the pedometer is not in active usage for over 30  seconds, the LCD blacks out and the device enters  power save mode. The device returns to normal mode  when the user begins walking or operates any of the  buttons. • Th
                    
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                        About the battery When the battery is low When the battery is low,  appears in  the top right corner of the screen. Replace  the battery with a new battery of the  following type as soon as possible (within  approximately one week). Battery: CR2032     • The service life of the battery is approximately one  year. • The battery provided with the pedometer is only for trial  use. Its service life may be short. • All data is erased when the battery is replaced. • Dispose of used batteries according
                    
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                        How to change the battery 1 Open the battery cover. •  To remove the cover, use  a coin or similar object  to turn the cover to the  OPEN position. 2 Remove the battery by  inserting a toothpick or  similar object under the  battery as indicated by the  Packing arrow and insert a new bat- tery. •  Insert the battery with the  positive pole (+) facing  upward. •  Slide the battery in at an  angle. 3 Close the battery cover. •  Match the OPEN  mark on the battery cover  with the [  ] symbol on the
                    
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                        Troubleshooting  is displayed. • The battery is low. Replace with a new  battery (CR2032). (See page 10) Nothing is displayed at all. • Nothing is displayed when the pedometer  is in power-saving mode. Press the [SET]  button or any other button. • Check that a battery is inserted and that it  is correctly oriented. (See page 11) • The battery may be exhausted. Replace  with a new battery. (See page 11) • Press the reset button on the back of the  pedometer. (See step 4 on page 11) The reading s
                    
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                        How do I erase the memory data? • Remove the battery or press the reset but- ton on the back. (See page 11) The buttons don’t respond. • Follow the reset procedure. (See step 4  on page 11) 13                                                                                                                                                                                                                                                                                                                    
                    
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                        Specifi cations Detection system 3D acceleration sensor Display method LCD display Display contents Time 24-hour format (hour/minutes) Number of steps 99,999 steps Memory Number of steps yesterday Accuracy Number of steps ±5% (based on Citizen vibration  tester) Clock Within ±30 seconds per month (at 72°F, 22°C) Power supply 3 V DC (one CR2032 battery) Battery service life Approx. one year (when walking  approx. 10,000 steps on average  per day) *using a standard new battery Service temperature 3
                    
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                        1-YEAR LIMITED WARRANTY Congratulations on your purchase of a Digital Pedometer. Your Digital Pedometer,  excluding the battery, is covered by the following limited warranty commencing  upon the date of purchase, and subject to the following terms and conditions: The Warrantor warrants that its Digital Pedometer will be free from defects in  materials and workmanship under normal consumer usage for a period of one year  for the original purchaser of the product. Periodic maintenance, repair and 
                    
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                        • CITIZEN is a registered trade mark of Citizen Holdings Co., Ltd., Japan.  CITIZEN es una marca registrada de Citizen Holdings Co., Ltd., Japón. • Design and Specifi cation are subject to change without notice. 363 Van Ness Way, Suite 404 Torrance, CA 90501 http://www.citizen-systems.com/ TOLL FREE / 800-421-6516 E-mail: healthcare@citizen-systems.com Ver. 1101