Instruction ManualforDigital Pedometer
Model TW310
Contents
Safety precautions

2Features

4

Before using this product

5

Changing the time6

Let’s walk7

Method of operation

9

About the battery

10

Troubleshooting

12

Specifications/Warranty

14• Thank you for purchasing the digital pedometer TW310.
• Please read this Instruction Manual before using thisunit.
• Please keep this Instruction Manual for your futurereference.

Safety precautions
This instruction manual uses various illustrations toexplain how to use the product correctly and safely inorder to prevent any damage or injuries occurring toyou, other people or property.
The column bearing this mark describes
Warning the content related to a hazard that may
cause death or serious injuries.
The column bearing this mark describes
Caution the content related to a hazard that may
cause injuries or property damage.
This mark indicates prohibited actions.
This mark indicates items that are mandatory and the user is required to observe at
all times.

Warning• Keep batteries, main unit and attached driveraway from babies.
>> Otherwise they may be accidentally
ingested or cause injuries.
• Never dispose of batteries in the fire.
>> Otherwise they may explode.

Caution• If you are not accustomed to daily exercise,consult your physician or trainer.
>> Sudden and strenuous exercise is dangerous.
• If you are receiving treatment for injuries or

diseases, consult your physician or trainer.

2

Precautions for handling andstorage■■ 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 contact with water.
>> Otherwise it may cause the product tofail.
• Do not subject the product to vibration orimpact.
>> Otherwise it may cause the product tofail.
• Be careful not to put the product into a washing machine by mistake or drop it in water.
>> Otherwise it may cause the product tofail.

• Refrain from wearing it in the hip/rear pocketof your trousers.
>> Otherwise it may break or cause an injury
when you sit down.

■■ About maintenance• Do not use thinner, benzine, alcohol, etc. formaintenance.
>> Clean the main unit using a soft cloth.

3Features• The 3D (triaxial accelerometer) sensor

enables the pedometer to count the number ofsteps in any direction when placed in a pocket
or bag.

• Simple function for measuring the numberof steps only.

• Large, easy-to-see display.
• The number of steps taken the previous day

is stored in the memory. You can view the dataat 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
display screen for the current day by the auto
return function.

• The power-saving mode prolongs the lifeof the battery. If no buttons are pressed or novibration is generated by walking, the screen
automatically goes blank and battery consumption is reduced.

4

Before using this product
Before actually using the pedometer,
be sure to read the Safety Precautions.

Check the contents of the package and the names of the parts
Main unit(Front)

MODE button(Back)

SET button

Reset button

Clip
Battery for trial use(inserted)

Strap

Initializing the product
Turn on the power

1 Press and hold the [MODE] button (for atleast three seconds).
• The entire display screen lights and clock
setting mode is enabled.

5Set the clock

2 Press the [MODE] button until the correcthour 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 tochange the time, follow the procedure
below.
1 Press the [MODE] button to display the current time. (See page 9)

2 Press and hold the [SET] button for approximately two seconds.
• The clock setting screen is displayed andyou can set the time.

For details of how to set the time, seeabove.
6

Let’s walk
When you have ﬁnished setting theclock, the pedometer is ready to use.
This section explains how to carryaround the pedometer.

How to attach the strap
Thread the short end of the strap throughthe pedometer as illustrated in 1 andthread the long end of the strap through theclip as illustrated in 2.
12

How to carry around the pedometer
Slide the pedometer in your pocket or carryit around in your bag.

7

Clip the strap to your pocket or
the side of your bag to prevent itfrom falling out. Take care not topull too hard on the strap while
the clip is attached to yourclothes. Doing so may damage the fabric.

For correct measuring
Do not swing the pedometerNo sports or jogging

Other causes of measuring errors
The pedometer may not measure correctlyin the following situations.
• When you shuﬄe your feet
• When you wear sandals, clogs or flip-flops• When you walk up or down a steep slope or stairs• When you walk at an irregular pace in a crowded place• When you walk repeatedly for short periods of less than
five seconds• When you are riding a bicycle, motorcycle, in a car, train
or other means of transport• When the pedometer is exposed to loud noise orcontinuous vibration

8

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 forapproximately 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 thebuttons.
• The number of steps taken on any one day is memorized
at 2:00 am and the counter returns to zero.
• When the data for the previous day is stored, the datafrom two days earlier is erased.

How to read the data
You can view the current time and thenumber of steps taken the previous day.
1 Press the [MODE] button.
• Each time the button is pressed, the display
switches between the current time, numberof steps walked the previous day and thestandard display.
Standard screen
Current time

Number of steps
yesterday

9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 thefollowing type as soon as possible (withinapproximately one week).

Battery: CR2032• The service life of the battery is approximately oneyear.
• The battery provided with the pedometer is only for trialuse. Its service life may be short.
• All data is erased when the battery is replaced.
• Dispose of used batteries according to the disposal
method specified by the local authorities in your area.

10

How to change the battery
1 Open the battery cover.
• To remove the cover, usea coin or similar object
to turn the cover to theOPEN position.

2 Remove the battery byinserting a toothpick orsimilar object under thebattery as indicated by thearrow and insert a new bat- Packing
tery.
• Insert the battery with thepositive pole (+) facingupward.
• Slide the battery in at anangle.

3 Close the battery cover.

• Match the OPEN mark on the battery coverwith the [ ] symbol on the main unit and turnthe cover to the right.
• When you close the battery cover, makesure that the rubber seal is not protrudingfrom the groove.

4 Press the reset button.

• Insert a toothpick or similar
object into the hole andpress the reset button.

5 Set the clock. (See page 6)
11Troubleshooting
is displayed.
• The battery is low. Replace with a newbattery (CR2032). (See page 10)
Nothing is displayed at all.
• Nothing is displayed when the pedometeris 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. Replacewith a new battery. (See page 11)• Press the reset button on the back of thepedometer. (See step 4 on page 11)
The reading seems inaccurate.
• Check whether you are using the pedometer correctly. (See page 7)
Steps are not counted when l shake thepedometer.
• To prevent measuring errors, ‘walking’ isjudged to be performed after at least six
seconds of walking and the relevant number of steps up to that point are added on.
Shaking the pedometer once or twice
doesn’t have an impact on the number ofsteps counted.
No steps have been counted.
• If the clock has not been set, your steps
will not be counted. (See page 5, 6)
12How do I erase the memory data?
• Remove the battery or press the reset button on the back. (See page 11)
The buttons don’t respond.
• Follow the reset procedure. (See step 4on page 11)13

Specifications
Detection system
Display method
Display contents
Time
Number of steps
MemoryAccuracy
Number of steps
Clock
Power supply
Battery service life

Service temperature
range
Storage temperature
range
Outside dimensions(W × H × D)
Dimensions of display(W × H)
Weight3D acceleration sensor
LCD display
24-hour format (hour/minutes)
99,999 steps
Number of steps yesterday±5% (based on Citizen vibrationtester)Within ±30 seconds per month(at 72°F, 22°C)
3 V DC (one CR2032 battery)Approx. one year (when walkingapprox. 10,000 steps on averageper day)*using a standard new battery
32°F to 104°F (0°C to 40°C)–4°F to 140°F (–20°C to 60°C)
Approx. 2 5/9” × 13/10” × 8/17”(65 × 33 × 12 mm)
Approx. 1 3/5” × 9/17”(41 × 13.5 mm)
Approx. 7/11 oz (18 g)

Please note that the step number data, etc. may beerased when the pedometer is repaired or parts arereplaced.

14

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 inmaterials and workmanship under normal consumer usage for a period of one year
for the original purchaser of the product.
Periodic maintenance, repair and replacement of parts due to normal wear andtear are excluded from coverage. Defects or damage that result from: (a) improper
operation, storage, misuse or abuse, accident or neglect, such as physicaldamage (cracks, scratches, etc.) to the surface of the product resulting frommisuse; (b) contact with liquid, water, rain, extreme humidity or heavy perspiration,sand, dirt or the like, extreme heat, or food; (c) use of the Digital Pedometer forcommercial purposes or subjecting the Digital Pedometer to abnormal usage orconditions; or (d) other acts which are not the fault of the Warrantor, are excluded
from coverage. This warranty does not cover batteries or other power sources that
may be provided with, or used with the Digital Pedometer.
If the Digital Pedometer fails to conform to this limited warranty, return the Digital
Pedometer postage prepaid along with $5.00 for return shipping, handling andinsurance to: Attn: CITIZEN SYSTEMS AMERICA CORPORATION 363 VAN NESS
WAY , SUITE 404 TORRANCE, CA 90501 USA. When returning a product, pleasealso include: (i) a copy of your receipt, bill of sale or other comparable proof ofpurchase; (ii) a written description of the problem; and (iii) your name, address andtelephone number. Carefully package the product to avoid any damage that mayoccur while in transit; shipping insurance with returned receipt is recommended.
At our option, the Warrantor will repair or replace the unit found to be defective
in materials or workmanship under normal consumer usage. The purchaser will
be notiﬁed of any additional repairs required prior to completing the repair, andwill be responsible for parts charges, if any, and repair charges not covered bythis limited warranty.
EXCEPT AS PROVIDED FOR IN THIS LIMITED WARRANTY, ALL EXPRESS ANDIMPLIED WARRANTIES AND CONDITIONS ARE DISCLAIMED, INCLUDINGWITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY ANDFITNESS FOR A PARTICULAR PURPOSE. THE REPAIR OR REPLACEMENT ASPROVIDED UNDER THIS LIMITED WARRANTY IS THE EXCLUSIVE REMEDY OFTHE CONSUMER, AND IS PROVIDED IN LIEU OF ALL OTHER WARRANTIES,EXPRESS OR IMPLIED. IN NO EVENT SHALL THE WARRANTOR BE LIABLE,WHETHER IN CONTRACT OR TORT (INCLUDING NEGLIGENCE) FOR DAMAGESIN EXCESS OF THE PURCHASE PRICE OF THE PRODUCT, OR FOR ANYINDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OF ANYKIND, OR FOR DAMAGES TO, OR LOSS OF, OTHER PROPERTY OR EQUIPMENT
OR PERSONAL INJURIES TO THE FULL EXTENT THESE DAMAGES MAY BE
DISCLAIMED BY LAW.
Some states and jurisdictions do not allow the limitation or exclusion of incidental
or consequential damages, or limitation on the length of an implied warranty, so
the above limitations or exclusions may not apply to you. This warranty gives you
speciﬁc legal rights, and you may also have other rights that vary from state to stateor from one jurisdiction to another.
FOR CUSTOMER SERVICETOLL FREE / 800-421-651615

• 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 Specification 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