Life Fitness Lifecycle 6500HR User manual

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M051-00K1 -A083
6/96

2
YOU ARE CAUTIONED THAT ANY CHANGES OR MODIFICATIONS
TO THIS EQUIPMENT COULD VOID YOUR PRODUCT WARRANTY.
Before using your Lifecycle 6500HR aerobic trai er, it is essential that you
read this ENTIRE operation manual. It wont take very long, and it will help
you set up your Lifecycle 6500HR exercise bike quickly and use it correctly.

3
TABLE OF CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
How to Level the Lifecycle®6500HR Aerobic Trainer . . . . . . . . . . . . . . . . . . . .
How to Adjust the Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
How to Adjust the Footstraps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
The Display Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Heart Rate Zone Training. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operating Instructions & Program Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 14
Hill Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Random Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Manual Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Fat Burn and Cardio Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Fit Test Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Optional Settings for the Lifecycle 6500HR Aerobic Trainer . . . . . . . . . . . . . . 26
Preventive Maintenance Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
How to Remove the Housing
on the Lifecycle 6500HR Aerobic Trainer . . . . . . . . . . . . . . . . . . . . . . . . . . 29
How to Solve Basic Operating Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
How to Obtain Product Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Lifecycle 6500HR Aerobic Trainer Specifications . . . . . . . . . . . . . . . . . . . . . . 33
Appendix (Interval and Steady-pace Training) . . . . . . . . . . . . . . . . . . . . . . . . . 34
©1996 Life Fitness. All rights reserved. The Life Fitness trademark is registered in the U.S. Patent and Trademark
Office, Certificate No. 1,400,502, issued July 8, 1986. Heart Rate Zone Training is a trademark and Lifecycle and
Lifepulse are registered trademarks of Life Fitness. Any use of these trademarks, without the express written consent of
Life Fitness is forbidden. U.S. Patent Numbers 3, 6 ,195 and 4,358,105.

4

5
INTRODUCTION
Congratulations . . . and thank you for purchasing a Lifecycle®6500HR aerobic trainer.
Your new Life Fitness aerobic trainer is the most versatile exercise bike ever
developed, the culmination of over 20 years of Life Fitness research, technological inno-
vation and engineering expertise. Lifecycle exercise bikes are recognized the world over
as the most popular and advanced of computerized stationary bicycles.
Like other Life Fitness products, the Lifecycle 6500HR aerobic trainer offers you a host
of exclusive features designed to help you achieve your fitness goals faster and with
greater enjoyment. Industry-standard workout programs, an array of up-to-the-second
visual feedback, and a comfortable, ergonomic design are just a few of the benefits
youll enjoy on your Lifecycle 6500HR aerobic trainer.
Why use a Life Fitness aerobic trainer? Aerobic training on a Lifecycle 6500HR
exercise bike is more than just a great workout. The Lifecycle 6500HR aerobic trainer
has a springless, padded seat and biomechanically superior position and includes
the patented Lifepulse® digital heart rate monitoring system for a more accurate workout.
The integrated Lifepulse®digital heart rate monitoring system makes the new Cardio and
Fat Burn programs the most effective workouts available on any aerobic trainer. And
with features like the Race mode, Fit Test and Level 0 resistance option that is almost
25% easier than the Level 1 found on earlier editions of the classic Lifecycle aerobic
trainer, youll be much more likely to stick with your exercise plan and accomplish your
goals.
If you have any questions regarding the operation of your Lifecycle 6500HR aerobic
trainer, please call Life Fitness Customer Support Services at (84 ) 451-0036 or
toll-free within the U.S. and Canada at (800) 351-3 3 . For product service in Europe,
refer to the first page of this manual and contact your nearest Life Fitness office.
CAUTION: Life Fitness STRON LY recommends that if you are under-
taking an exercise program you see your physician for a complete medical
exam, particularly if you have a family history of high blood pressure or
heart disease, are over the age of 45, or if you smoke, have high cholesterol,
are obese, or have not exercised regularly in the past year. If, at any time
while exercising, you feel faint, dizziness, shortness of breath, or pain, stop
immediately.

6
SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
SAFETY FIRST!
Always follow the console instructions for proper operation.
Never operate a Life Fitness trainer if it has been dropped, damaged, or even
partially immersed in water. Contact Life Fitness Customer Support Services
for further information.
Do not locate this trainer in areas of high humidity or near swimming pools.
Never insert objects into any opening in your Lifecycle 6500HR aerobic train-
er. If an object should drop inside, carefully retrieve it; if you cannot reach the
item, contact Life Fitness Customer Support Services.
Never place liquids of any type directly on the unit, except in an accessory
tray. Containers with lids are recommended.
Do not use the Lifecycle 6500HR aerobic trainer outdoors.
Do not use the Lifecycle 6500HR aerobic trainer in areas where aerosol
spray products are being used or where oxygen is being administered. Such
substances increase the danger of combustion and explosion.
Keep all loose clothing, shoelaces, and towels away from the pedals of the
Lifecycle 6500HR bike.
Keep the area around your Lifecycle 6500HR aerobic trainer clear of any
obstructions, including walls and furniture.
Always be careful and exercise caution when mounting or dismounting your
Lifecycle 6500HR aerobic trainer. Use the handlebar whenever additional
stability is required.
Wear shoes with rubber or high-traction soles. Do not use shoes with heels,
leather soles, cleats or spikes. Do not use the trainer in your bare feet.
Do not tip the Lifecycle 6500HR aerobic trainer on its side during operation.

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HOW TO LEVEL THE LIFECYCLE 6500HR
AEROBIC TRAINER
Depending on the surface on which you place your Lifecycle 6500HR aerobic train-
er, it may need to be leveled. After you place the bike where you will be primarily
using it, check the stability of the bike by attempting to rock it back and forth. If it
rocks, it isnt level. To level it, rotate the foot on the stabilizer bar that appears to be
higher counter-clockwise (as viewed from above) with your finger until the bike is
level. Tighten the locknut.
Leveling the Lifecycle 6500HR trainer
LOCKNUT

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HOW TO ADJUST THE SEAT
A properly adjusted seat is extremely important in any bike-oriented exercise activity, and
the Lifecycle 6500HR aerobic trainer is no exception. If the seat is too low, excessive
strain will be placed on the knees and quadricep muscles; if the seat is too high, the
resulting reaching action will irritate the feet, ankles, hips and knees.
To adjust the seat properly, sit on it and place the balls of your feet on the pedals. An
optimum position will allow you to move through the bottom of the stroke without locking
your knees or shifting in the seat (your knees should have a slight bend at the point of
fullest leg extension). If the seat needs to be adjusted, dismount the bike and pull out
the adjusting pin located on the front of the seat post. Slide the seat post up or down as
necessary to the proper position and reinsert the pin. Recheck the seat height and, if
necessary, readjust the seat.
CAUTION: Do not attempt to adjust the seat while you are pedaling
the bike. Doing so or failing to insert the seat pin completely could
cause injury or result in an uncomfortable workout.
Adjusting the Seat

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HOW TO ADJUST THE FOOTSTRAPS
Your Lifecycle 6500HR aerobic trainer has nylon-reinforced rubber footstraps with one
inside and six outside slits on each pedal. To adjust the width of the straps, grasp the
outside of the strap and pull down and away from the knob. Once the slotted end is
removed, choose a width that feels the most comfortable while you are riding, reinsert
the knob through the slot and pull the strap up. The knob will click when it locks in place.
CAUTION: Do not attempt to adjust the pedal footstraps while you are
pedaling the bike. Doing so could cause injury or result in an
uncomfortable workout.
Adjusting the Footstraps

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THE DISPLAY CONSOLE
The Lifecycle 6500HR aerobic trainers display console is easy to use, and it allows
you to follow your progress as you ride. The on-board computer lets you tailor your
workouts to your individual fitness capabilities and goals while providing a unique
means of measuring your fitness improvement from one workout to the next.
A.TIME WINDOW:Shows the total elapsed time of your workout. When
the CLEAR-PAUSE key is pressed the Time Window functions as a stopwatch (you
must continue pedaling). For additional information see Operati g I structio s
a d Program Descriptio s.
B.DATA ENTRY WINDOW:Displays most data prompts and inputs, the effort level
chosen  which remains displayed throughout your workout, except in the Fit Test
program or when Watts or METS workouts are selected  and the riding time
selected in the Hill, Random, Manual, Fat Burn and Cardio heart rate management
programs. Your actual and target heart rates also will be displayed here.
C.DATA ENTRY KEYPAD:Allows you to enter information pertinent to the program
youve selected.
lPROGRAM SELECT: This is where you select your workout program. Each time
you press the PROGRAM SELECT key, an LED light will cycle through the choices
of programs. When the program you want is displayed press ENTER or wait 10
seconds and your choice will be automatically entered.
lENTER: Actually execute the input of any information you have keyed in. It is
not necessary to press ENTER when keying in a new effort level.
AB
C
D
E
F
G
The Display Console

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lSTART: The START key activates the display console once you begin pedaling
and is then inactive for the remainder of the workout.
lRACE ON / OFF: Lets you toggle into and out of the Race mode at any time in the
Hill, Random and Manual programs. The Speed display will toggle between RPM
and MPH every five seconds. Your MPH will be dependent on your pedal speed
and the level chosen. See the Race Option inset later in this manual for more
information.
lCLEARPAUSE: Use this key to put your workout program on hold or restart it. To
put your workout on hold, press the key o ce and continue pedaling (remember,
you are powering the machine; if you stop pedaling, all power is lost and the
display will go blank). Pedal resistance drops to the minimum when the
Lifecycle 6500HR aerobic trainer is paused and the stopwatch function is
activated and the elapsed time window begins counting up from zero. Use this as
a brief rest period if you feel fatigued or to take your heart rate.
Press the key twice to end your current program and display the program sum-
mary. Press the key a third time to clear the summary information and the
Program Select LEDs prompts you to choose a program.
lNUMERIC KEYS: Use these keys to enter your Hill, Random, or Manual riding
time, level of difficulty and Heart Rate or Fit Test data. You can select a workout
duration between 1 and 60 minutes. You also enter a different resistance level
than your current level or other data such as age, gender or weight via the numeric
keypad. Use these keys also to enter a different resistance level than your current
level, a different target heart rate for the Fat Burn and Cardio programs, or Fit Test
data such as age, gender or weight via the numeric keypad.
lWATTS (0) and METS (8): To display Watts (roughly equal to 1/4 of calories per
hour), press 0 then ENTER after pressing START and prior to selecting a program.
During the Manual program, if you wish to enter a Watts workload to maintain,
press 0, then immediately enter that value followed by ENTER using the numeric
keypad.
To display METS (a measurement of oxygen consumption per unit of body weight),
press 8 then ENTER after pressing START and prior to selecting a program. When
prompted (LB), key in your weight using the numeric keypad and press ENTER.
During the Manual program, if you wish to enter a METS workload to maintain, press
8and enter that value using the numeric keypad (followed by the ENTER key).
Both the Watts and METS options will lock the feedback window, displaying only
the Watts or METS values.
 60 minutes is the factory setting for the Maximum Program Duration. To increase or decrease the Maximum
Program Duration see the Optional Setting for the Lifecycle 6500HR Aerobic Trainer section.

12
D. PROGRAM PROFILE WINDOW:Displays a matrix of lights showing your present
position and upcoming terrain. The higher the column of lights the greater the
resistance. The left-most column of lights represent your current position. The
remaining columns show the upcoming terrain. As your workout progresses, the
lights move across the screen from right to left. When you are at the Program
Select stage, graphical depictions of each program appear in the Program Profile
Window as that programs LED is lit.
In the Fat Burn and Cardio programs, a heart shape (“) will flash in the window;
this is your prompt to grasp the Lifepulse sensors so that the on-board computer
can obtain your heart rate. When your heart rate has been read, the heart will
disappear and you may remove your hands. This process will take approximately
20 seconds.
E. SUMMARY INSTRUCTIONS:An abbreviated version of the steps required to
begin a workout on your Lifecycle 6500HR aerobic trainer. This is a summary of
the information presented in greater detail throughout this manual.
F. S PEED WINDOW:Your Lifecycle 6500HR aerobic trainer will display your
speed in revolutions per minute (RPM) or, in Race mode, miles per hour (MPH). In
the Hill, Random and Manual programs, you may switch into and out of the Race
mode whenever you wish. When in the Race mode, the Speed Window will toggle
between RPM and MPH every five seconds.
G. FEEDBACK WINDOW:Displays the number of calories burned per hour, the total
number of calories burned, the total distance traveled (in miles or kilometers), and
Watts or METS if you have selected one of these options. The readout automatical-
ly displays these forms of feedback in 10-second intervals, except when you are
in the Hill program for a duration of fewer than six minutes when it changes every
five seconds.

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HEART RATE ZONE TRAININ 
Research shows that exercising within a specific heart rate range is the optimal way
to monitor your exercise intensity and achieve maximum results. Thats the idea
behind the Life Fitness Heart Rate Zone Training approach to exercise.
If your primary goal is to burn fat, you should exercise at a level between 60% and
5% of your theoretical maximum heart rate (defined as 220 minus your age by the
American College of Sports Medicines Guidelines for Exercise Testing and
Prescription). If you wish to improve your cardiovascular condition, you should work
out at 5% to 85% of your theoretical maximum heart rate.
Example: If you are 30 years old, your theoretical maximum heart rate is
220 - 30 (your age) or 190 beats per mi ute (bpm).
If your primary goal is to burn fat:
Multiply 190 x .60 = 114 bpm (the low e d of your target heart rate zo e)
Multiply 190 x .75 = 143 bpm (the high e d of your target heart rate zo e)
If your primary goal is to improve your cardiovascular fitness:
Multiply 190 x .75 = 143 bpm (the low e d of your target heart rate zo e)
Multiply 190 x .85 = 162 bpm (the high e d of your target heart rate zo e)
Heart Rate Zone Training chart

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OPERATIN INSTRUCTIONS
& PRO RAM DESCRIPTIONS
Selecting a workout program on your Life Fitness aerobic trainer is easy. Six
computerized aerobic workouts, including the exclusive Fat Burn, Cardio and Fit Test
programs, are pre-programmed on your Lifecycle 6500HR aerobic trainer:
HILL RANDOM MANUAL
FAT BURN CARDIO FIT TEST
HILL is an interval training workout consisting of a warm-up period followed by a
plateau of constant effort, progressively more difficult levels of effort  or hills 
separated by periods of recovery  or valleys  and a cool-down period.
RANDOM is a program of varying effort levels which occur randomly with each
exercise session, resulting in more than one million workout combinations.
MANUAL maintains a constant effort level based on goals that you select.
FAT BURN is a Heart Rate Zone Trainingprogram designed to burn an optimum
amount of calories from fat without burning you out. The Program aids you in main-
taining a target heart rate of 65% of your theoretical maximum heart rate.
CARDIO is a Heart Rate Zone Trainingprogram designed to increase cardio-
vascular fitness by automatically maintaining a target heart rate of 80% of your
theoretical maximum heart rate.
FIT TEST is a way of measuring your aerobic fitness level compared to others of
the same age and gender.
The Lifecycle 6500HR aerobic trainer is a constant work machine; in the Hill,
Random and Manual programs, pedal resistance automatically compensates for
changes in RPM. In other words, the slower you pedal, the greater the resistance;
conversely, the faster you pedal the less resistance you feel. The distance you
travel will remain the same; pedaling faster will not bring you to the end of a
program sooner nor burn more calories, assuring you of a consistent workout. If you
prefer to be rewarded for going faster, try the Race mode option.
NOTE: Mileage reading are arbitrary and hould not be u ed to compare workout
in different program . Total calorie burned i the be t mea ure of the amount of work
performed in any given workout.
This is true as long as you pedal faster than 65 RPM. Below 65 RPM, the resistance will drop off to the point where you
can continue pedaling at a pace sufficient to maintain power to the console.

15
WATTS / METS Programmability Options
It is possible i the Ma ual program to e ter a value of Watts or METS to
mai tai , rather tha a resista ce level. For i sta ce, if your doctor
should
prescribe that you exercise three times per week for 20 mi utes at 100
Watts (the value must be betwee 33 a d 338), this optio would e sure
that you mai tai that 100 Watt level by alteri g the pedal resista ce i
i verse proportio to your pedali g speed. I other words, if you begi
pedali g at a slower pace  droppi g your expe ded Watts below 100  the
resista ce will i crease to retur you to your 100 Watt goal. Co versely, if
you begi pedali g faster, the resista ce will decrease, bri gi g you back
dow to the 100 Watt threshold you eed to mai tai .
To e ter a value of Watts to mai tai while i the a ma ual program:
oCo ti ue pedali g
oPress 0/WATTS, the withi two seco ds...
o E ter a Watts value betwee 33 a d 338
You may cha ge your resista ce a ytime i the Watts mode at a ytime
duri g a workout by pressi g 0 a d the immediately keyi g i a ew
Watts value to mai tai .
To retur to a resista ce level, key i a umber (0 to 12).
To e ter a value of METS to mai tai :
oBegi pedali g a d press the Start key
oPress the 8/METS key a d press the E ter key
oWhe prompted for your weight (LB), e ter it a d press the E ter key
oChoose a program usi g the Program Select key
I the Ma ual Program you ca override a weight depe de t value a d
i put a lower METS value:
oChoose the Ma ual Program i the last step above
oWhe you are prompted to e ter a effort level (L) from 1 to 12, press
8 a d the immediately...
oE ter a ew METS value
To retur to a resista ce level, key i a umber (0 to 12).

16
TOBEGIN ANY LIFECYCLE 6500HR AEROBIC TRAINER WORKOUT:
lFirst adjust the seat position and make certain the seat pin is properly locked
and the bike is level.
lBegin pedaling and press the START key.
lSelect one of the flashing program options by pressing the Program Select
key until the program you want is lit and then press ENTER (or wait 10 seconds
and your selection will be automatically entered).
lYou can Quick Start a Manual program workout without using the Program
Select key. To do so, just press ENTER before selecting a program. The
computer will automatically begin a Manual workout at the maximum allowable
program time and prompt you to enter a resistance level. If you press a number
from 09 rather than ENTER, the computer will automatically begin a Manual
workout at the maximum allowable program time and that effort level (enter 1-0,
1-1, or 1-2 for effort levels 10-12).
REMEMBER  YOU CAN CHAN E LEVELS ANY TIME
BY SIMPLY KEYIN IN A NEW LEVEL!
The Race Optio
The Race mode ow allows you to vary your pedal resista ce to simulate
the feel of a actual 12-speed raci g bike i the Hill, Ra dom a d Ma ual
programs. Tur the Race mode o at a y time a d the Lifecycle 6500HR
aerobic trai ers 12 effort levels are tra sformed i to the gears of a high
performa ce road raci g bicycle! The pedal resista ce will cha ge with
the speed at which you pedal, e ha ci g your workout e joyme t while
also allowi g you greater co trol over the programs i te sity (the greater
the resista ce, the more LEDs will be illumi ated). The dista ce you travel
a d the calories you bur duri g your workout will also vary with your
pedal speed.

17
HILL RANDOM MANUAL OR FIT TEST
0 0 0
3-4 2-3 1
6-7 5-6 2
8-9 6-7 3
9-10 7-8 4
12 9-10 5
11 6
12 7
11 8
12 9
10
11
12
Effort Level Equivalency Table
HILL PROGRAM
lAfter selecting a Hill workout, you will be asked to enter your desired workout
time in minutes. Enter a number from 1-60 minutes and press ENTER.
lOnce you have selected the duration of your Hill workout the program will begin.
Just choose an effort level between 0 (easiest) and 12 (most difficult).
The Lifecycle 6500HR aerobic trainers patented Hill program offers the ideal con-
figuration for interval training: periods of intense aerobic activity separated by regu-
lar intervals of lower-intensity exercise. Interval training programs have been
scientifically demonstrated to yield greater cardiorespiratory improvement than
steady-pace training.
Not only does the Hill program offer the challenge of alternating periods of high and
low intensity, but the levels of intensity become progressively more difficult during
the course of the program. Because you have the option of working out in a Hill pro-
gram for anywhere from 1 to 60 minutes, and because the Hill program is com-
posed of four distinct phases, the 20 intervals that make up the program must be
structured differently to accommodate the entire array of program durations. Longer
workouts add more hills.
 60 minutes is the factory setting for the Maximum Program Duration. To increase or decrease the Maximum
Program Duration see the Optional Setting for the Lifecycle 6500HR Aerobic Trainer section.

18
Each Hill program session comprises the following phases:
(1) Warm-up, (2) Plateau, (3) Interval Training, and (4) Cool-down.
lWarm-up: Gradually brings your heart rate into the lower portion of your target
heart rate zone, increasing respiration and blood flow to working muscles.
lPlateau: Brings your heart rate into your target zone. Check your pulse at the end
of the plateau period to ensure that you have entered your target heart rate zone.
lInterval Training: A series of hills and valleys. During this portion of your work-
out, you will be confronted with sets of four successively steeper hills, each
separated from the next by a valley, or recovery period. Check your heart rate at
the end of the interval training period to ensure that you have stayed within your
target zone.
lCool-down: The cool-down allows your body to begin removing accumulated
by-products of exercise, such as lactic acid, which build up in muscles during
your workout and contribute to muscle soreness.
The Hill diagram above shows the effort level and recovery periods encountered
during a Hill workout. Effort and recovery periods are simulated on the display con-
sole by columns of lights in the Program Profile window. The columns move from
right to left during the workout. The higher the column, the higher the resistance;
consequently, you must increase your effort.
Hill Profile Diagram

19
HOW TOUSE THE LIFEPULSE DIGITAL HEART RATE SENSORS
The patented Lifepulse digital heart rate sensors are the heart rate monitoring
system on the Lifecycle 6500HR exercise bike. To use the Lifepulse sensors,
simply grasp the stainless steel sensors in the handlebars when the display
console prompts you to do so or anytime you wish to check your heart rate.
There are four sensors, two on each side of the handlebar, and you must
make contact with all four to obtain you heart rate. The console will display
your EC -accurate heart rate in 10 to 30 seconds.
HEART RATE CHECK POINTS:
For Fat Burning:
4First Heart Rate Check Point  Your heart rate should be betwee 60%
a d 70% of the theoretical maximum heart rate for your age category.
4Second Heart Rate Check Point  Your heart rate should be betwee 70%
a d 75% of the theoretical maximum heart rate for your age category.
For Cardio:
4First Heart Rate Check Point  Your heart rate should be betwee 75%
a d 80% of the theoretical maximum for your age category.
4Second Heart Rate Check Point  Your heart rate should be betwee
80% a d 85% of the theoretical maximum for your age category.
See the diagram o the previous page...