Timex Heart Rate Monitor 811 095000 02NA User Manual

Digital Heart Rate Monitor  
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©2008 Timex Group, USA, Inc. TIMEX and NIGHT-MODE are registered  
trademarks of Timex Group USA, Inc. INDIGLO is a registered trademark  
of Indiglo Corporation in the US and other countries. HEART ZONES is a  
registered trademark of Sally Edwards.  
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Timer Mode Example....................................................................................22  
Overview  
Recover ..............................................................................................................23  
About Recovery Heart Rate ..........................................................................23  
To Manually Determine a Recovery Heart Rate ............................................24  
Congratulations!  
With your purchase of the Timex® Ironman® Digital Heart Rate Monitor you  
have hired a new personal trainer. Your Digital Heart Rate Monitor offers  
you the ability to track, store, and analyze key indicators of your personal  
fitness level for up to 50 laps.  
Review................................................................................................................26  
To Review Workout Data ..............................................................................27  
Review Mode Notes & Tips ..........................................................................27  
HRM Setup ........................................................................................................28  
To Set a Target Heart Rate Zone ..................................................................29  
To Set Other Heart Rate Statistical Data........................................................31  
Digital Heart Rate Monitor Notes & Tips........................................................33  
You will find your Digital Heart Rate Monitor to be a user-friendly fitness  
tool. But, like any new device, you should take the time to familiarize  
yourself with its components to optimize its usefulness.  
Alarm..................................................................................................................33  
To Set the Alarm ..........................................................................................34  
Alarm Mode Notes & Tips ............................................................................34  
So, check out the features and functions of your Digital Heart Rate Monitor  
to develop a basic understanding of this fitness tool. But most of all, enjoy  
your new partner on the road to increased fitness!  
Care & Maintenance..........................................................................................35  
Digital Heart Rate Monitor ............................................................................35  
Battery ........................................................................................................36  
INDIGLO® night-light ....................................................................................37  
Water Resistance..........................................................................................38  
A Fit Heart  
Recent fitness findings indicate that anyone can get fit and stay fit without  
being overzealous. It can be as simple as:  
Warranty & Service............................................................................................39  
Warranty ......................................................................................................39  
Service ........................................................................................................41  
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Exercising 3 to 4 times per week.  
Exercising for 30 to 45 minutes during each exercise session.  
Exercising at the appropriate heart rate.  
Declaration of Conformity ................................................................................43  
Heart rate represents the effects of exercise on all parts of the body.  
Selecting the appropriate heart rate zone conditions the heart, lungs, and  
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muscles to perform at optimal levels to get and keep your body in shape.  
Watch Buttons  
Once set, your Digital Heart Rate Monitor can automatically show you  
when you are in the exercise zone you choose and signal you when you  
are not. It can help keep your body exercising at an intensity level that can  
help you achieve your desired fitness objectives without over- or under-  
exercising.  
INDIGLO® BUTTON  
STOP/RESET/SET  
HEART RATE  
WARNING:  
MODE  
START/SPLIT  
This is not a medical device and is not recommended for use by  
persons with serious heart conditions. Consult your physician  
before beginning any exercise program.  
Interference with the radio signal, poor contact between your skin and  
the Digital Heart Rate Sensor, or other factors may prevent accurate  
transmission of heart rate data.  
NOTE: The specific use for these buttons varies by mode. Refer to each  
mode for more information on how to use the watch buttons.  
INDIGLO® night-light with NIGHT-MODE® feature  
In any watch mode, pressing the INDIGLO® button activates the INDIGLO®  
night-light and lights the watch face. If you press and hold the INDIGLO®  
button until you hear a beep, you can activate NIGHT-MODE® feature.  
When the NIGHT-MODE® feature is activated, pressing any watch button  
will light the watch face for a period of three to six seconds. NIGHT-MODE®  
feature will remain active for seven to eight hours after activation. To  
deactivate NIGHT-MODE® before the eight hour time frame has elapsed,  
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press and hold the INDIGLO® button until you hear a beep and NIGHT-  
MODE® will immediately turn off.  
Resources  
Print Resources  
In addition to this manual, your Digital Heart Rate Monitor includes these  
valuable resources:  
Display Icons  
Hollow heart icon indicates watch is searching for a signal from the  
Digital Heart Rate Sensor.  
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Fitness Sensors User Guide: Complete information for set-up,  
operation, and maintenance of your Digital Heart Rate Sensor.  
Solid heart icon once the watch has located a signal from the Digital  
Heart Rate Sensor. This icon will flash as long as the watch receives a  
signal from the Digital Heart Rate Sensor.  
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®
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Heart Zones Tools for Success (U.S. customers only): Information  
to use your Digital Heart Rate Monitor in conjunction with the Heart  
Zones® Training System fitness program, meant to help you to increase  
the strength and endurance of your heart.  
Stopwatch icon indicates the watch is timing your workout in Chrono  
Mode.  
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Hourglass icon indicates the watch is timing your workout in Timer  
Mode.  
H
Web Resources  
Timex® websites offer beneficial information to help you optimize your  
Digital Heart Rate Monitor.  
Repeat icon in Timer Mode indicates you have set the timer to repeat  
at the end of a countdown cycle.  
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Alarm clock icon indicates you have set the alarm to alert you at a  
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Register your product at www.timex.com.  
Visit www.timex.com/hrm/ for more information on Timex® Heart  
Rate Monitors, including product features and simulations.  
Visit www.timextrainer.com for fitness and training tips using Timex®  
Heart Rate Monitors.  
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designated time.  
Melody icon indicates you have set the hourly chime to sound every  
hour on the hour.  
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Small heart/timer icon in Time of Day or Recover Mode when the  
watch is tracking a heart rate recovery.  
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the government recommended age-based method.  
Determining Your Optimal Heart Rate Zone  
There are five basic heart rate target zones. Simply select a zone that  
matches your percent of maximum (%) heart rate based on the fitness  
goal you want to achieve during a particular exercise.  
Begin with the number 220 and then subtract your age. For instance, a 35  
year old would begin with 220 and subtract 35 (her age), which gives an  
estimated maximum heart rate of 185. Once you know your maximum  
heart rate, you can set the zones described in the table on the previous  
page.  
Zone  
%
Goal  
Benefit  
Maintain a healthy heart and  
get fit  
1
50% to 60%  
Light exercise  
Digital Heart Rate Monitor  
2
3
60% to 70%  
70% to 80%  
Weight management  
Aerobic base building  
Lose weight and burn fat  
Before You Begin  
Increase stamina and aerobic  
endurance  
Once you have determined your fitness goal and maximum heart rate,  
Timex recommends you input this information into the HRM SETUP Mode.  
This will allow you to tailor your Digital Heart Rate Monitor to your  
personal parameters. For information on HRM SETUP Mode, refer to pages  
28 to 32.  
Sustain excellent fitness  
condition  
Achieve superb athletic  
condition  
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80% to 90%  
Optimal conditioning  
90% to 100% Elite athletic training  
Before you can set your %, you first need to determine your maximum  
heart rate. You can use many methods to estimate your maximum heart  
rate.  
The booklet Heart Zones® Tools For Success included in your Personal  
Heart Rate Monitor packaging (U.S. customers only) provides excellent  
procedures and Timex recommends you use one of these methodologies.  
To Use Your Digital Heart Rate Monitor  
For more detailed information on the use and care of your Digital Heart  
Rate Monitor, refer to the Fitness Sensor User Guide that shipped with your  
product.  
1. Wet the Digital Heart Rate Sensor pads.  
2. Center the Sensor on your chest with the Timex®  
logo facing up and out and fasten it firmly, just below  
your sternum.  
However, if you cannot use any of the procedures described in Heart  
Zones® Tools for Success (U.S. customers only), you might consider using  
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3. Press MODE until your desired mode appears. You can view heart rate  
information in Time of Day, Chrono, or Timer Modes.  
8. Press MODE until you see Review Mode. This Mode includes heart rate  
and other statistical data about your workout. See pages 25 to 27 for  
more information about Review Mode.  
4. Standing at least six feet (two meters) away from other heart rate  
monitors or other sources of radio or electrical interference, press the  
HEART RATE button on your watch. The hollow heart rate icon will  
appear on the display indicating the watch is searching for a signal  
from the Sensor. When the watch begins receiving a signal, the  
outlined heart becomes solid and begins pulsing.  
Digital Heart Rate Monitor Notes & Tips  
The watch and the Digital Heart Rate Sensor need to be within three feet  
(one meter) of each other to function properly. If the watch is not receiving  
heart rate information, you may receive the message NO HRM DATA on the  
watch display. Try the following:  
5. Begin your workout.  
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Shorten the distance between the watch and the Digital Heart Rate  
Sensor.  
NOTE: The watch automatically records your heart rate and other  
statistical data about your workout (available in Review Mode) only if  
you run Chrono Mode during your workout.  
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Adjust the position of the Digital Heart Rate Sensor and elastic chest  
strap.  
6. If the watch is set to alert you when you go above or below your  
chosen target heart rate zone press and hold HEART RATE to turn the  
audible alert off. Otherwise it will continue beeping until you return to  
your target zone. When you are turning the audible alert off, you will  
see the message HOLD ALERT OFF. Continue pressing HEART RATE  
until you see the message AUDIBLE ALERT OFF. Conversely, when you  
are turning the audible alert on, you will see the message HOLD ALERT  
ON. Continue pressing HEART RATE until you see the message  
AUDIBLE ALERT ON.  
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Make sure the Digital Heart Rate Sensor pads are wet.  
Check the battery in the Digital Heart Rate Sensor and replace it if  
necessary.  
Move away from other heart rate monitors or other sources of radio or  
electrical interference.  
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7. When you have finished your workout in Chrono Mode, press  
STOP/RESET/SET to stop recording data for the workout.  
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flashing in the lower right corner.  
Time of Day  
Your watch can act as an ordinary timepiece, displaying the time, date,  
and day for two different time zones using a 12- or 24-hour format. Note  
that you must independently set the time of day for each time zone.  
3. PRESS START/SPLIT (+) or HEART RATE (-) to toggle between the  
primary (1) and secondary (2) time zones.  
4. Press MODE (NEXT) to begin setting the time for the chosen time zone.  
The time will appear on the display with the hour value flashing.  
INDIGLO® BUTTON  
STOP/RESET/SET  
5. Make the desired adjustment as indicated in the tables on the next two  
pages.  
Press to light the watch,  
activate or deactivate NIGHT-  
MODE® feature .  
Press to start or  
complete the setting  
process.  
6. Press MODE (NEXT) to move to the next setting option.  
7. Press and hold STOP/RESET/SET (DONE) to save your changes and exit  
the setting process.  
MODE  
HEART RATE  
Press to move to the next  
mode, digit, or setting  
option or group.  
Press to activate  
For this watch, you can make the Time of Day adjustments described in  
the tables that appear on the next two pages.  
the Digital Heart Rate  
Monitor, decrease or  
toggle the setting item,  
or switch display views.  
START/SPLIT  
Press to peak at or switch  
time zones or increase or  
toggle the setting item.  
To Set or Adjust the Time, Date, and Audibles  
1. Press MODE until Time of Day Mode appears, showing the current  
time.  
2. Press and hold STOP/RESET/SET until the words HOLD TO SET briefly  
appear on the display followed by SET TIME with the number 1  
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Setting Group  
Adjustment  
Setting Group  
Adjustment  
Press START/SPLIT (+) to increase the hour value or  
HEART RATE (-) to decrease the hour value.  
Press START/SPLIT (+) or HEART RATE (-) to toggle between  
the appearance options for the month and the day. The  
options include Month Day (MM.DD) or Day Month (DD.MM).  
For example, March 15 can appear as 3.15 (MM.DD) or 15.3  
(DD.MM).  
Hour  
Appearance of the  
Month and Day  
Press START/SPLIT (+) to increase the minute value or  
HEART RATE (-) to decrease the minute value.  
Minute  
Second  
Press START/SPLIT (+) or HEART RATE (-) to reset the  
seconds to zero.  
Press START/SPLIT or HEART RATE to toggle between turning  
the chime on and turning the chime off. When you turn the  
chime on, you will see the chime icon and the watch will emit  
a beep every hour on the hour.  
Hourly Chime  
Button Beep  
Press START/SPLIT (+) to move forward through the days of  
the week or HEART RATE (-) to move backward through the  
days of the week.  
Day of Week  
Press START/SPLIT or HEART RATE to toggle between turning  
the button beep on and turning the button beep off. When you  
turn the button beep on, the watch will emit a beep every  
time you press a button other than the INDIGLO® button  
Press START/SPLIT (+) to move forward through the months  
or HEART RATE (-) to move backward through the months.  
Month  
Date  
Press START/SPLIT (+) to increase the date value or  
HEART RATE (-) to decrease the date value.  
To Switch Time Zones  
Press START/SPLIT (+) or HEART RATE (-) to toggle between  
the 12- and 24-hour formats. In the 12-hour format the AM  
and PM time indicators will also appear above the seconds on  
the time display.  
The watch can track two time zones (T1 and T2). To look at the second  
zone in Time of Day Mode, press START/SPLIT. T1 or T2 will flash in the  
lower right corner indicating the alternate time zone. You can switch from  
12- or 24-Hour  
Format  
T1 to T2 or T2 to T1 by using these steps:  
NOTE: To quickly change the value being set, press and hold START/SPLIT  
1. Press and hold START/SPLIT until HOLD FOR T1 or HOLD FOR T2  
appears.  
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(+) or HEART RATE (-).  
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2. Continue to hold until the time switches and the watch beeps.  
1. Time of Day with Day/Month/Date;  
2. Heart Rate over Time of Day;  
3. Time of Day over Heart Rate; or  
4. Heart Rate only.  
Time of Day Notes & Tips  
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You can return to Time of Day Mode from any other mode on the watch  
by pressing MODE until the time of day appears.  
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The watch does not automatically adjust for Daylight Savings Time.  
When switching between Standard Time and Daylight Savings Time,  
you must manually adjust the hour value.  
Time of Day Example  
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The watch automatically moves from February 28 to March 1. To  
accommodate a leap year, you must manually set the date value to  
February 29. The watch will then automatically move from February 29  
to March 1.  
Assume that you live in San Francisco and work with a client in New York.  
Like all busy people, it is imperative you keep track of time, so you set T1  
to your local time. But it is also important to have a quick reminder of your  
client’s time, so you set T2 to New York time. With both time zones  
available, you can quickly check your client’s time or even switch your  
watch to display T2 when you travel to New York.  
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At any time during the setting process, you can save your changes and  
return to the main time display by pressing STOP/RESET/SET.  
While setting the watch, if you do not press any buttons on the watch  
for a period of 2 to 3 minutes, the watch will automatically save  
whatever changes you have made and will exit the setting process.  
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With the watch receiving a signal from the Digital Heart Rate Sensor,  
you can change the Time of Day Mode display by pressing HEART  
RATE. Choose from:  
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To Operate the Chrono  
1. Press MODE until CHRONO appears.  
Chrono  
Chrono Mode operates as the main workout data center for your watch. It  
can record elapsed time for up to 100 hours. It can also register  
information for up to 50 laps for one workout.  
2. Press and hold STOP/RESET/SET to clear Chrono data (if necessary).  
3. Press START/SPLIT to begin timing.  
4. Press START/SPLIT again to take a lap or split. The watch will display  
the lap and split times, the lap or split number, and average heart rate  
(for the lap or split) if the data from Digital Heart Rate Sensor is being  
received.  
INDIGLO® BUTTON  
STOP/RESET/SET  
Press to pause or stop  
the chrono or clear  
chrono data.  
Press to light the watch,  
activate or deactivate  
NIGHT-MODE® feature.  
5. Press MODE to immediately display new lap or split information OR  
wait for a few seconds and the watch will automatically begin to  
display data for a new lap or split.  
HEART RATE  
MODE  
Press to switch HRM  
display views.  
Press to move to the  
next mode, or quickly  
display a new lap or split.  
6. Press STOP/RESET/SET to stop timing when you want to take a break  
or you reach the end of your workout.  
START/SPLIT  
Press to begin timing, take a  
lap or split, or continue timing  
after a pause.  
NOTE: The recovery heart rate timer will begin automatically (for 1- or  
2-minutes, as user-specified) after pressing STOP/RESET/SET if the  
watch is receiving data from the Digital Heart Rate Sensor. For more  
information about recovery heart rate, see pages 23 to 25.  
Chrono Terminology  
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Chronograph: The chronograph records timed segments for the  
duration of your workout.  
7. Press START/SPLIT to continue timing OR press and hold  
STOP/RESET/SET to clear the chronograph display and set it back to  
zero.  
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Lap: Lap time records individual segments of your workout.  
Split: Split time records the total elapsed time since the beginning of  
your current workout.  
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Taking a lap or split: When you take a lap or split, the chronograph  
records one time and automatically begins timing a new one.  
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Chrono Mode Notes & Tips  
Chrono Mode Example  
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Press MODE to switch to Time of Day Mode while running the  
chronograph. The stopwatch icon W will appear to indicate the  
chronograph is still operating.  
Recently you heard that the run/walk method can help you increase your  
overall endurance and burn more calories. This method calls for running  
for a period of time followed by a short period of walking. You decide to  
use Chrono Mode to help you try this method. You press START/SPLIT to  
begin your run and then after 10 minutes of running you press  
START/SPLIT again and walk for 2 minutes. You continue using these two  
timing sequences until you have completed a 60 minute run/walk.  
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When you operate the watch in Chrono Mode with the Digital Heart  
Rate Sensor, you will accumulate heart rate-related data in Review  
Mode, including:  
1. Amount of time your heart rate stays within your target heart rate  
zone;  
Timer  
2. The average heart rate for each recorded lap; and  
3. Average, peak, and minimum heart rates for your workout.  
Timer Mode allows you to set a fixed time from which the watch counts  
down to zero (i.e., 10, 9, 8, ...).  
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With the chronograph running along with the Digital Heart Rate Sensor,  
you can change the Chrono Mode display by pressing HEART RATE.  
INDIGLO® BUTTON  
STOP/RESET/SET  
Choose from:  
1. Lap Time/Split Time;  
2. Heart Rate/Lap Time or Split Time;  
3. Lap Time or Split Time/Heart Rate; or  
4. Heart Rate only.  
Press to light the watch,  
activate or deactivate  
NIGHT-MODE® feature.  
Press to start or  
complete the setting  
process or pause or  
reset the timer.  
MODE  
Press to move to  
the next mode, digit  
or setting group.  
HEART RATE  
Press to decrease or  
toggle the setting item  
or switch display views.  
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Without the heart rate sensor, you can change the reset chronograph  
format by pressing STOP/RESET/SET.  
START/SPLIT  
Press to increase or toggle a  
setting item or start or  
resume timing.  
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NOTE: You can press any button in any mode to silence the alert that  
sounds when the timer reaches zero.  
setting will appear on the top display.  
2. Pause the countdown by pressing STOP/RESET/SET.  
To Set the Timer  
1. Press MODE until TIMER appears.  
3. Resume the countdown by pressing START/SPLIT again or reset the  
timer by pressing and holding STOP/RESET/SET again until the words  
HOLD TO RESET briefly appear on the display followed by the original  
countdown time.  
4. When the timer reaches zero, a brief alert will sound and the INDIGLO®  
night-light will flash. Press any button to silence the alert.  
2. Press STOP/RESET/SET until SET briefly appears on the display  
followed by the timer with the hours value flashing.  
3. Press START/SPLIT (+) to increase the values or HEART RATE (-) to  
decrease the value. This applies for hours, minutes, seconds and end  
action.  
5. The timer will stop after the alert if set to STOP; or the timer will begin  
another countdown if set to REPEAT and continue until you press  
STOP/RESET/SET.  
NOTE: The end action setting allows you to choose how the timer  
operates at the completion of a timing countdown. Options include  
STOP or REPEAT.  
The display will show RPT-# and a number (for example, RPT-2). RPT  
indicates the timer is repeating and the number (#) indicates how  
many times the timer has cycled through the repeated countdown.  
NOTE: To quickly change the value being set, press and hold  
START/SPLIT (+) or HEART Rate (-).  
NOTE: If the watch is receiving signals from the Digital Heart Rate  
Sensor, the top line information will be replaced with heart rate data.  
4. Press MODE (NEXT) to move to the next value for hours, minutes, and  
seconds  
Timer Mode Notes & Tips  
5. Press STOP/RESET/SET (DONE) to save your changes and exit the  
setting process.  
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You can press MODE within Timer Mode to switch the display to  
another mode without disrupting the operation of the timer. The timer  
H or repeat J icon will continue to display to indicate the timer is  
operating.  
To Operate the Timer  
1. Press START/SPLIT to start the timer countdown. The timer H or timer  
repeat J icon will appear on the display. The original countdown  
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With the timer running along with the Digital Heart Rate Sensor, you  
can change the Timer Mode display by pressing HEART RATE. Choose  
from:  
Recover  
About Recovery Heart Rate  
1. Set Countdown Time (Repeat Count);  
2. Heart Rate over Countdown Time;  
3. Time over Heart Rate; or  
Heart rate recovery provides an indicator of fitness and training level. As  
you become more fit, your heart rate should return more quickly to a lower  
heart rate value at the end of your workout, indicating a higher level of  
cardiovascular fitness.  
4. Heart Rate only.  
A slower recovery rate might also indicate a need to take a break  
from training due to fatigue, illness, or other factors.  
Timer Mode Example  
As part of your overall health plan, you decide to take a 30-minute  
walk during your lunch hour two times a week. To help keep track of  
time so you do not return late from your lunch hour, you set the timer  
to 15 minutes and then set it to repeat one time. After 15 minutes the  
watch beeps telling you to begin walking back to your office. Since  
you set the timer to REPEAT, the watch begins timing another 15  
minute session helping you track how much time you have to return  
to your office.  
STOP/RESET/SET  
INDIGLO® BUTTON  
Press to toggle  
Press to light the watch,  
activate or deactivate  
NIGHT-MODE® feature.  
between a 1- or a 2-  
minute recovery time  
or to stop or reset  
the recovery timer.  
MODE  
Press to move to the  
next mode.  
START/SPLIT  
Press to start or restart  
the recovery timer.  
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Your recovery rate represents the change in your heart rate over a period  
of time. Your Digital Heart Rate Monitor records the change in your heart  
rate for either a 1- or 2-minute period. To set the recovery timer duration:  
3. Press STOP/RESET/SET to toggle between a 1- or a 2-minute recovery  
time.  
4. Press START/SPLIT. The top line of the watch display will show the  
heart rate at the beginning of the recovery period (on the left) as well  
as your current heart rate. The bottom line will show the 1- or 2-  
minute recovery countdown.  
1. Press MODE until RECOVER appears.  
2. Press STOP/RESET/SET to clear the last heart rate recovery reading, if  
necessary.  
3. Press STOP/RESET/SET to toggle between a 1- or a 2-minute recovery  
time.  
5. After a 1- or 2-minute countdown, the watch will beep indicating the  
end of the recovery period. The watch will capture your heart rate a  
second time, subtract the second value from the first value and display  
the difference as the recovery (R value).  
While running the chronograph, the recovery heart rate timer will begin  
automatically after pressing STOP/RESET/SET if the watch is receiving  
data from the Digital Heart Rate Sensor.  
NOTE: The watch cannot record a recovery unless it is receiving a current  
heart rate and a valid pulse from the Digital Heart Rate Sensor. Without a  
current heart rate or if the ending rate is higher than the starting heart  
rate, the display will read NO REC.  
NOTE: The watch cannot record a recovery unless it is receiving a current  
heart rate and a valid pulse from the Digital Heart Rate Sensor. Without a  
current heart rate or if the ending rate is higher than the starting heart  
rate, the display will read NO REC.  
6. You can continue to initiate a 1- or 2-minute recovery period by  
repeating steps 2 through 4.  
To Manually Determine a Recovery Heart Rate  
You can also manually initiate a recovery heart rate without stopping the  
chronograph by following these steps.  
1. Press MODE until RECOVER appears.  
2. Press STOP/RESET/SET to clear the last heart rate recovery reading, if  
necessary.  
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Average Heart Rate: The average heart rate achieved during a  
Review  
workout.  
Review Mode allows you to recall overall information recorded by the  
chronograph for your most recent workout.  
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Peak Heart Rate: The highest recorded heart rate during a workout.  
Minimum Heart Rate: The lowest recorded heart rate during a  
workout.  
INDIGLO® BUTTON  
Press to light the  
watch, activate or  
deactivate  
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Total Calories: The number of calories burned during a workout. This  
number is dependent on the weight you entered when you set up your  
Digital Heart Rate Monitor, your heart rate during the workout, and your  
elapsed time.  
NIGHT-MODE® feature.  
HEART RATE (-)  
MODE  
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Recovery Heart Rate: The result of the most recent recovery heart  
Press to scroll  
backward through  
activity data.  
Press to move to  
the next mode.  
rate calculation.  
Lap or Split Recall: The amount of time and average heart rate for the  
last 50 laps (segments) of your workout.  
START/SPLIT(+)  
Press to scroll forward  
through activity data.  
To Review Workout Data  
1. Press MODE until REVIEW appears.  
Data groupings appear in the order listed when you press START/SPLIT  
(+).  
2. Press START/SPLIT (+) or HEART RATE (-) to scroll through workout  
data.  
O
Total Time: The amount of time the chronograph was running during  
Review Mode Notes & Tips  
your workout.  
O
Once you restart the chronograph from zero (the reset position) for  
your next workout, you erase summary data from your previous  
workout, except recovery heart rate.  
O
Time in Zone: The amount of time during a workout when your heart  
rate is between the lower and upper target zone limits you set.  
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Without the Digital Heart Rate Sensor, you will see total time and Lap  
or Split Recall in Review Mode, along with you last recorded recovery  
heart rate.  
To Set a Target Heart Rate Zone  
You can choose one of the Preset Target Heart Zones or set the Manual  
Target Heart Rate Zone for a customized target heart rate zone.  
If you did not record separate laps during a workout, the watch will  
display NO LAPS STORED when you get to the lap recall segment of  
Review Mode.  
Preset Target Heart Rate Zones  
The preset heart rate zones described in the table below correspond to  
your maximum heart rate (MHR) value.  
HRM Setup  
Zone  
Lower Limit  
50%  
Upper Limit  
60%  
HRM Setup Mode allows you to select and set key pieces of statistical  
data that will be tracked by your Digital Heart Rate Monitor.  
1
2
3
4
5
60%  
70%  
INDIGLO® BUTTON  
Press to light the watch,  
activate or deactivate  
NIGHT-MODE® feature.  
70%  
80%  
STOP/RESET/SET  
Press to start or  
complete the setting  
process.  
80%  
90%  
90%  
100%  
MODE  
Press to enter or exit the  
mode or move to the next  
digit or setting group.  
Determine the zone you want to use by reviewing the table on page 6.  
To choose a Preset Target Heart Rate Zone:  
HEART RATE  
Press to turn the  
audible ON or  
OFF or decrease  
or toggle the  
1. Press MODE until HRM SETUP Mode appears.  
START/SPLIT  
Press to select a target  
heart rate zone or increase  
or toggle a setting item.  
setting item.  
2. Press START/SPLIT to cycle through the target heart rate zones  
(labeled ZONE 1 to ZONE 5).  
3. Press HEART RATE to turn the audible HR ZONE ALERT ON or OFF. If  
you turn on the audible alert, the watch will beep if you go above or  
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below your chosen target heart rate zone and continue beeping until  
you return to your target zone.  
6. When you have finished setting the upper and lower target heart rate  
zone limits, you can press STOP/RESET/SET (DONE) to save your  
settings and exit the setting process, or you can continue to set or  
adjust other heart rate statistical data (see below).  
4. Press MODE to save your selected target heart rate zone and exit HRM  
SETUP Mode. When you leave HRM SETUP Mode, the watch will use  
the target heart rate zone you have selected as the basis for all HRM-  
based calculations.  
To Set Other Heart Rate Statistical Data  
In addition to selecting a Target Heart Rate Zone, it is important that you  
set your weight, maximum heart rate, and heart rate display. Accurate  
information used by these options helps tailor your Digital Heart Rate  
Monitor to your specific fitness needs.  
Manual Target Heart Rate Zone  
The Manual Target Heart Rate Zone allows you to customize your lower  
and upper target heart rate zone limits. You might use the Manual Target  
Heart Rate Zone when the 10% range in the Preset Heart Rate Zones is  
either too large or too small a range for your exercise goals.  
To set other heart rate statistical data:  
1. Press MODE until HRM SETUP Mode appears.  
To set the Manual Target Heart Rate Zone:  
1. Press MODE until HRM SETUP Mode appears.  
2. Press START/SPLIT until MANUAL appears.  
2. Press STOP/RESET/SET to enter the setting process. You will see your  
selected target heart rate zone flashing on the display.  
3. Press MODE (NEXT) to begin setting other statistical data.  
3. Press STOP/RESET/SET to enter the setting process. You will see the  
word MANUAL flashing on the display.  
4. Make the desired adjustment by pressing START/SPLIT (+) or HEART  
RATE (-). In some setting groups pressing START/SPLIT (+) will  
increase a value and pressing HEART RATE (-) will decrease a value. At  
other times pressing START/SPLIT (+) or HEART RATE (-) will toggle  
between two options or cycle through a setting group.  
4. Press MODE (NEXT) to begin setting the upper and lower target heart  
rate zones.  
5. Press START/SPLIT (+) to increase the flashing value, HEART RATE (-)  
to decrease the flashing value, or MODE (NEXT) to move to the next  
digit’s value.  
5. Press MODE (NEXT) to move to the next digit or setting group you want  
to set.  
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6. Press STOP/RESET/SET to save your changes and exit the setting  
process.  
Digital Heart Rate Monitor Notes & Tips  
O
At any time during the setting process, you can save your changes and  
return to the main heart rate display by pressing STOP/RESET/SET  
(DONE).  
7. Press MODE to exit HRM SETUP.  
For this Digital Heart Rate Monitor you can make the adjustments  
described in the table.  
O
While setting the watch, if you do not press any buttons on the watch  
for a period of 2 to 3 minutes, the watch will automatically save  
whatever changes you have made and exit the setting process.  
Setting Group  
Weight  
Display  
Description  
You can enter your current weight and  
whether your weight appears in pounds (lbs)  
or kilograms (kg) This number is used to  
help calculate how many calories you burn  
during your activity. Your recorded weight  
cannot go below 22 lbs (10 kg) or above 550  
lbs (250 kg).  
Alarm  
You can use your watch as an alarm clock to alert you at a pre-set time.  
When the watch reaches the scheduled time, the alarm tone sounds and  
the INDIGLO® night-light flashes for a period of 20 seconds.  
INDIGLO® BUTTON  
STOP/RESET/SET  
Press to light the watch,  
activate or deactivate  
NIGHT-MODE® feature.  
Press to start or  
complete the setting  
process.  
Your maximum heart rate value is used to  
determine your 5 preset target zones and as  
a reference for displaying your heart rate in  
terms of percent of maximum (%). This  
number cannot be below 80 or above 240  
beats per minute (BPM).  
Maximum Heart  
Rate  
MODE  
HEART RATE  
Press to decrease  
or toggle the setting  
value.  
Press to move to the next  
mode, digit or setting group.  
You can choose whether your heart rate will  
display as beats per minute (BPM) or percent  
of maximum (%).  
START/SPLIT  
Heart Rate  
Display  
Press to increase or toggle  
the setting value or turn  
the alarm ON or OFF.  
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O
O
While the alarm sounds, you can silence it by pressing any button on  
the watch.  
To Set the Alarm  
1. Press MODE until Alarm Mode appears.  
If you do not silence the alarm before the alert finishes, a backup  
alarm will sound after 5 minutes.  
2. Press and hold STOP/RESET/SET until SET briefly appears on the  
display followed by time with the hour value flashing. The AM/PM value  
will also flash if you have set the watch to 12-hour format.  
Care & Maintenance  
3. Press START/SPLIT (+) to increase the hour value or HEART RATE (-) to  
decrease the hour value.  
Digital Heart Rate Monitor  
O
O
O
To avoid build up of materials that can interfere with the Digital Heart  
Rate Monitor’s ability to receive a valid pulse, rinse the Digital Heart  
Rate Sensor with fresh water  
Do not clean the Digital Heart Rate Monitor sensor or chest strap with  
abrasive or corrosive materials. Abrasive cleaning agents may scratch  
the plastic parts and corrode the electronic circuit.  
Do not subject the Digital Heart Rate Monitor to excessive force, shock,  
dust, temperature, or humidity. Such treatment may result in  
malfunction, a shorter electronic life span, damaged batteries, or  
distorted parts.  
Do not tamper with the Digital Heart Rate Monitor’s internal  
components. Doing so will terminate the Monitor’s warranty and may  
cause damage.  
NOTE: To quickly change the value being set, press and hold  
START/SPLIT (+) or HEART Rate (-).  
4. Press MODE (NEXT) to move to the minute value.  
5. Press START/SPLIT (+) to increase the minute value or HEART RATE (-)  
to decrease the minute value.  
6. Press STOP/RESET/SET (DONE) to save your changes and exit the  
setting process.  
Alarm Mode Notes & Tips  
O
O
O
To turn an alarm ON or OFF without entering the setting state, press  
START/SPLIT while in Alarm Mode.  
O
O
If you change any alarm settings, you automatically turn the alarm on.  
The Digital Heart Rate Monitor contains no user-serviceable parts,  
except batteries.  
When you set the alarm, the alarm clock icon a appears on the  
display in Time of Day Mode.  
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To test the new battery after you have inserted it:  
Battery  
1. Move away from any possible sources of electrical or radio  
interference.  
Digital Heart Rate Sensor Battery  
If your heart rate readings become erratic or stop, you may need to  
replace the battery on your Digital Heart Rate Sensor. You can change the  
battery yourself without any special tools.  
2. Wet the Digital Heart Rate Sensor pads and securely fasten the chest  
strap below your sternum.  
3. While wearing the watch, press the HEART RATE button. A set of three  
dashes (- - -) and the flashing heart rate icon will appear on the  
display.  
This product uses a CR2032 lithium battery for the Digital Heart Rate  
Sensor. To change the battery:  
4. If you do not see a flashing heart icon on your watch, reinstall the  
sensor battery.  
BATTERIA  
NOTE: It is not necessary for a heart rate value to appear on the display  
during this test.  
APRIRE  
BATTERIA  
Watch Battery Replacement  
When the battery of the watch is running low, the display or INDIGLO®  
night-light will dim. This watch uses a CR2025/CR2018 lithium battery.  
1. Open the Sensor battery lid with a coin, turning the coin  
counterclockwise.  
To avoid the possibility of permanently damaging the watch, TIMEX  
STRONGLY RECOMMENDS TAKING YOUR HEART RATE MONITOR WATCH TO  
A LOCAL RETAILER OR JEWELER TO HAVE THE BATTERY REPLACED.  
2. Replace the battery with a new CR2032, 3V lithium battery with (+)  
facing you, taking care not to touch the two contacts and discharge the  
battery.  
®
INDIGLO night-light  
3. When you have finished inserting the battery, press the reset button  
(located in the lower left corner) with a toothpick or straightened paper  
Press the INDIGLO® button to activate the night light. This  
clip and close the lid with a coin — screwing in a clockwise direction.  
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electroluminescent technology  
illuminates the watch display at night and in low light conditions.  
Warranty & Service  
Timex International Warranty (U.S. Limited Warranty)  
Water Resistance  
Your Timex® Digital Heart Rate Monitor is warranted against manufacturing  
defects by Timex for a period of ONE YEAR from the original purchase  
date. Timex Group USA, Inc and its worldwide affiliates will honor this  
International Warranty.  
Watch  
O
Your 100 Meter Water Resistant watch withstands water pressure to  
200 p.s.i. (equals immersion to 328 feet or 100 meters below sea  
level).  
Please note that Timex may, at its option, repair your Heart Rate Monitor  
by installing new or thoroughly reconditioned and inspected components  
or replace it with an identical or similar model.  
IMPORTANT: PLEASE NOTE THAT THIS WARRANTY DOES NOT COVER  
DEFECTS OR DAMAGES TO YOUR HEART RATE MONITOR:  
O
O
The watch is only water-resistant as long as the lens, pushbuttons, and  
case remain intact.  
Timex® recommends rinsing your watch with fresh water after  
exposure to salt water.  
WARNING: TO MAINTAIN WATER-RESISTANCE, DO NOT PRESS ANY  
1. after the warranty period expires;  
BUTTONS UNDER WATER.  
2. if the Heart Rate Monitor was not originally purchased from an  
authorized Timex retailer;  
Digital Heart Rate Sensor  
O
Your 30 Meter Water Resistant Digital Heart Rate Sensor can withstand  
water pressure to 60 p.s.i. (equals immersion to 98 feet or 30 meters  
below sea level).  
3. from repair services not performed by Timex;  
4. from accidents, tampering or abuse; and  
5. lens or crystal, strap or band, Heart Rate Monitor case, attachments or  
battery. Timex may charge you for replacing any of these parts.  
WARNING: THIS UNIT WILL NOT TRANSMIT YOUR HEART RATE WHEN  
OPERATED IN OR UNDER WATER.  
THIS WARRANTY AND THE REMEDIES CONTAINED HEREIN ARE EXCLUSIVE  
AND IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,  
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INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS  
FOR PARTICULAR PURPOSE.  
Asia, call 852-2815-0091. For the U.K., call 44 208 687 9620. For  
Portugal, call 351 212 946 017. For France, call 33 3 81 63 42 00. For  
Germany, call 49 7 231 494140. For the Middle East and Africa, call 971-  
4-310850. For other areas, please contact your local Timex retailer or  
Timex distributor for warranty information. In Canada, the U.S. and in  
certain other locations, participating Timex retailers can provide you with a  
postage-paid, pre-addressed Heart Rate Monitor Repair Mailer for your  
convenience in obtaining factory service.  
TIMEX IS NOT LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL  
DAMAGES. Some countries and states do not allow limitations on implied  
warranties and do not allow exclusions or limitations on damages, so  
these limitations may not apply to you. This warranty gives you specific  
legal rights and you may also have other rights which vary from country to  
country and state to state.  
Service  
To obtain warranty service, please return your Heart Rate Monitor to  
Timex, one of its affiliates or the Timex retailer where the Heart Rate  
Monitor was purchased, together with a completed original Repair Coupon  
or, in the U.S. and Canada only, the completed original Repair Coupon or a  
written statement identifying your name, address, telephone number and  
date and place of purchase. Please include the following with your Heart  
Rate Monitor to cover postage and handling (this is not a repair charge): a  
US$ 8.00 check or money order in the U.S.; a CAN$7.00 cheque or money  
order in Canada; and a UK£2.50 cheque or money order in the U.K. In  
other countries, Timex will charge you for postage and handling. NEVER  
INCLUDE ANY ARTICLE OF PERSONAL VALUE IN YOUR SHIPMENT.  
If your Timex® Digital Heart Rate Monitor should ever need servicing, send  
it to Timex as set forth in the Timex International Warranty or addressed to:  
HOTLINE WATCH SERVICE, P.O. Box 2740, Little Rock, AR 72203  
For service questions, call 1-800-328-2677.  
For your convenience in obtaining factory service, participating Timex  
retailers can provide you with a pre-addressed Heart Rate Monitor Repair  
Mailer.  
See the Timex International Warranty for specific instructions on the care  
and service of your Timex® Digital Heart Rate Monitor.  
For the U.S., please call 1-800-328-2677 for additional warranty  
information. For Canada, call 1-800-263-0981. For Brazil, call +55 (11)  
5572 9733. For Mexico, call 01-800-01-060-00. For Central America, the  
Caribbean, Bermuda and the Bahamas, call (501) 370-5775 (U.S.). For  
Should you need a replacement strap or band, call 1-800-328-2677.  
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THIS IS YOUR REPAIR COUPON. KEEP IT IN A SAFE PLACE.  
TIMEX INTERNATIONAL WARRANTY REPAIR COUPON  
Declaration of Conformity  
(according to ISO Guide 22 and EN 45014)  
Manufacturer:  
Timex Group USA, Inc.  
555 Christian Road  
Original Purchase Date:  
Middlebury, CT 06762  
(attach a copy of sales receipt, if available)  
declares that the product:  
Product Name:  
Model Number:  
Product Options:  
Timex® Digital Heart Rate Monitor  
M640  
All  
Purchased By:  
(name, address, telephone number)  
conforms to the following Product Specifications:  
Place of Purchase:  
(name and address)  
LVD: 73/23/EEC  
Safety:  
IEC 60950  
Reason for Return:  
EMC: 89/336/EEC  
Emissions:  
EN300-683  
Radiated Emission 30 MHz to 1000 MHz E-  
Field (Electric). Ref.EN55022  
Immunity:  
EN300-683  
Radiated Immunity 80 MHz to 1000 MHz. Ref.  
EN61000-4-3  
ESD Electrostatic discharge. Ref. EN61000-4-2  
Radiated Immunity 900 MHz. Ref. ENV50204  
Supplemental Information: The product herewith complies with the requirements of the  
Low-Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC and carries the 7  
marking accordingly.  
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Hereby, Timex Group USA, Inc. declares that this low power radio equipment is in  
compliance with the essential requirements and other relevant provisions of Directive  
1999/5/EC.  
Agent:  
Brian J. Hudson  
Director, Test Engineering and Module Development  
Date: 15 July 2004, Middlebury, Connecticut, U.S.A.  
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