850
Upright
OWNER’S MANUAL
QUESTIONS?
Call Our Toll Free
Keys Fitness Helpline
1-888-340-0482
1-888-340-0482
Monday-Friday
8:30-5:30 Central Time
CAUTION!
Keys Fitness Products, L.P.
P.O. Box 551239
Please read the precautions and
instructions in this manual before
using this equipment. Please save
this manual for future reference.
Keys Fitness Products, L.P.
4009 Distribution Dr.
Suite 250
Dallas, Texas 75355-1239
Garland, Texas 75041
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Before You Start
Safety Precautions and Tips
It is the owner's responsibility to ensure that all users
of this exercise bike have read the Owner's Manual and
are familiar with warnings and safety precautions.
Thank you for purchasing a Keys exercise bicycle! This
quality product you have chosen was designed to meet your
needs for cardiovascular exercise.
Prior to assembly, remove components from the box
and verify that all the listed parts were supplied. Assembly
instructions are described in the following steps and
illustrations.
• This exercise bike has a user maximum capacity of
300 pounds.
• The CardioMax Exercise bike should only be used on a
level surface and is intended for indoor use only. It should
not be placed in a garage, patio or near water. Keys recom-
mends an equipment mat be placed under the bicycle to pro-
tect the floor or carpet and for easier cleaning.
Important Safety Information
WARNING!
• Wear comfortable, good-quality walking or running shoes
and appropriate clothing. Do not use this exercise bike with
bare feet, sandals, socks or stockings!
1) Before using this exercise bicycle or starting any
exercise program, consult your physician. This is especially
important for persons over the age of 35 and/or persons
with pre-existing health problems. Keys Fitness Products
LP assumes no responsibility for personal injury or proper-
ty damage sustained by or through the use of this product.
• Always examine your exercise bike before using to ensure
all parts are in working order.
• Do not leave children unsupervised near or on the
exercise bicycle.
2) To reduce the risk of electrical shock, burns, fire or other
possible injuries to the user, it is important to review
this manual and the following precautions before operation.
• Never operate the exercise bicycle where oxygen is being
administered or where aerosol products are being used.
• Never insert any object or body parts into any opening.
• Service to your CardioMax exercise bike should only be
performed by an authorized service representative, unless
authorized and/or instructed by a Keys technician. Failure to
follow these instructions will void the warranty.
2
3
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ASSEMBLY PARTS
PART
PART NO.
CONSOLE
HANDLEBAR
CONSOLE TUBE
SEAT
5
10
2
9
SEAT POST
FRAME
3
1
FOOT TUBE
ELBOW PADS
PEDALS
4
24
30, 31
5
24
10
24
9
2
31
3
4
1
30
4
4
5
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Adjusting Seat Height
Assembly of CardioMax 850 Upright Bike
REMOVE ALL SECURITY TAPE AND WRAPPING
BEFORE BEGINNING.
9
1. Attach foot tubes (4) to the frame by using the carriage
bolts (44), flat washers (50) and cap nuts (45) provided. Make
sure the foot tube with wheels is assembled onto the front of
the unit.
50
49
3
44
50
45
2
4
45
50
1
2. Attach the seat (9) to the seat post (3) with the locknuts
45
50
(49) and flat washers (50) already provided on the underside
seat bolts.
4
44
6
7
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31
3
2
57
14, 15
57
56
50
49
4
30
4. Slide the console tube (2) through the console tube collar (14,
15). Connect the computer cable in the console tube to the
computer cable in the main frame. Attach the console tube
(2) to the frame with the locknuts (49), flat washers (50) and
screws (56) provided. Attach the console tube collar (14, 15)
to the main frame (1) with screws (57) .
3. Attach pedals (30, 31). Axles of pedals are branded "L" and
“R.” The pedal marked “R” goes on the right hand side of the
bike and the one marked “L” on the left hand side. Tighten the
left pedal by turning counter-clockwise and the right pedal by
turning clockwise.
8
9
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5
5
24
24
60
55
50
49
59
10
60
2
6
5
5. Connect the computer cable at the top of the console tube (2)
to the console (5). Both computer cable connections have
white ends. Feed the pulse wires from the console (5) down
into the console tube (2) and out the front hole in the handle-
bar area. Attach the console tube (2) to the console (5) with
the screws (59) provided and already attached to back of the
6. Attach the pulse wires in the handlebar (10) to the wires from
the console (5). Connect the handlebar (10) to the console
tube with the locknuts (49), flat washers (50) and screws (55)
provided. Make sure not to “pinch” any of the pulse wires
when connecting the handlebar to the console tube. Attach the
elbow pads (24) to the handlebar (10) with screws (60).
console (5).
10
11
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7
8
7. Load your console with the batteries provided. Batteries are 4
8. You have completed the assembly of your new CardioMax bike.
“AA” size..
12
13
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850 Upright Parts List
NO.
NO.
PART
QTY
PART
QTY
1
2
3
4
5
6
7
8
9
FRAME
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
2
2
2
2
2
2
1
1
2
1
1
32 LEFT CRANK
1
1
1
2
1
2
1
1
2
1
1
2
4
4
4
2
2
10
CONSOLE TUBE
SEAT POST
FOOT TUBE
CONSOLE
33 RIGHT CRANK
34 LOCKING KNOB
35 6004 PRECISE BEARING
36 608 PRECISE BEARING
37 EYEBOLT
PULLEY
GENERATOR
CONTROLLED BOARD
SEAT
38 SPRING
39 BELT TENSION BRACKET
40 ADJUSTMENT CHANNEL
41 SENSOR
10 HANDLEBAR
11 BOTTOM LEFT COVER
12 BOTTOM RIGHT COVER
13 TOP COVER
42 IDLER PULLEY
43 CRANK CENTRAL CAP
44 M8X85mm CARRDIAGE BOLT
45 M8 CAP NUT
14 CONNECTING LEFT COVER
15 CONNECTING RIGHT COVER
16 LEFT SEAT POST COVER
17 RIGHT SEAT POST COVER
18 PLASTIC COLLAR
19 “V” BELT
46 M6 LOCKNUT
47 6mm HEX NUT
48 M10 CAP NUT
49 M8 LOCKNUT
50 M8 IDX18.8mm OD
FLAT WASHER
20 WHEEL
14
2
21 FOOT CAP
51 M20X32X2mm WASHER
52 CRANK NUT
22 BALL PLUG
2
23 SLEEVE
53 M8X17mm SCREW
54 M8X38mm SCREW
55 M8X57mm SCREW
56 M8X60mm SCREW
57 TP4X12mm SCREW
58 TP5X50mm SCREW
59 M5X10mm SCREW
60 M6X45 MACHINE SCREW
1
24 ELBOW PAD
1
25 HAND PULSE
3
26 PULSE WIRE
3
27 CONTROLLER WIRE
28 EXTENSION WIRE
29 9mm NUT
26
4
4
30 LEFT PEDAL
4
31 RIGHT PEDAL
14
15
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850 Display Instructions
Your CardioMax 850 is equipped with a programmable monitor
to help you track your progress and motivate you to reach your
fitness goals.
In order to set your programmable monitor, you must begin
pedaling. The monitor will come to life and prompt you for
the following:
850 Display Instructions continued
1. Key Functions:
a. RESET - Resetting all cumulative values to zero.
b. ENTER - Confirming of “set values,” “selections” and
“Quick Start” function.
-
c.
Increasing and decreasing the set values and resistance
+
during Operation.
2. Display:
There are three displays in the console:
W1= display window on top, W2=display window in middle and
W3= last display window at bottom of console.
a. W1 = Display every cumulative value including TIME, CALORIES,
DISTANCE, SPEED an.d R..PM..
.8..8. 8 8
1. display profile of every program.
b. W2 =
2. display operation information in input mode by rolling characters.
3. display “score” when “Fitness Test” program is finished. (see step D)
c. W3 = Display “Heart Rate” and ”Workout Level.”
.
8 8 8
16
17
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8. (W2) displays “PRESS ENTER TO BEGIN”
9. Press ENTER key and start to exercise.
850 Display Instructions continued
3. Indicator:
C. “HRC” program.
a. TIME
1. Step 1 to 6 is similar to B, but “HRC” program also requires age and
b. CALORIES
d. SPEED
e. RPM
target heart rate.
7. Press ENTER key, (W2) displays “ENTER AGE” and (W1) displays
preset age of last operation.
f. SCAN
-
8. Set age of exerciser by
keys.
+
g. MANUAL
h. CONSTANT POWER
i. INTERVAL
j. HILLS
k. PLATEAU
l. MOUNTAIN
m. HRC
9. Press ENTER key, (W2) displays “TARGET HART RATE,” (W1)
displays preset value of target heart rate, which depends on age of
the exerciser.
-
10. Choose target heart rate by
11. Press ENTER key.
12. (W2) displays “PRESS ENTER TO BEGIN”
13. Press ENTER key and start to exercise.
keys.
+
n. FITNESS TEST
D. “FITNESS TEST” program.
4. Operation Processes:
This 8 minute test program calculates your approximate oxygen uptake. At
the end of the program you will receive a Fit Test Score which is the equiva-
lent of your approximate VO2 max. This number should be used as a refer-
ence to gauge aerobic improvements over an extended workout protocol.
Please use the following table for reference only:
A. “QUICK START” MODE:
1. Press RESET key, all LED of the console turns on for 2 seconds.
2. Press ENTER key during 2 seconds in step 1, the console is in “Quick
Start” mode, and displays the profile of “Manual” program.
3. “TIME” and “SCAN” indicators of (W1) turn on. Operation time is count-
ing up and every display value of (W1) is scanning per 4 seconds interval.
4. (W2) displays each column as 1 minute of operation then the completed
column will shift to the right.
Standards for evaluating aerobic fitness (VO2 max)
Age
Low
Fair
Average
Good
High
Women
20-29
30-39
40-49
50-59
60-69
-
5. Exerciser can adjust working level by
6. Stop this mode by pressing RESET key.
keys
+
<24
<20
<17
<15
<13
24-30
20-27
17-23
15-20
13-17
31-37
28-33
24-30
21-27
18-23
38-48
34-44
31-41
28-37
24-34
>49
>45
>42
>38
>35
B. “MANUAL,” “CONSTANT POWER,” “INTERVAL,” “HILLS,”
“PLATEAU” and “MOUNTAIN” programs.
1. Press RESET key, (W2) displays ENTER WEIGHT
2. Preset weight of exerciser by
keys.
-
+
Men
20-29
30-39
40-49
50-59
60-69
3. Press ENTER key, (W2) displays “SELECT PROGRAM”.
<25
<23
<20
<18
<16
25-33
23-30
20-26
18-24
16-22
34-42
31-38
27-35
25-33
23-30
43-52
39-48
36-44
34-42
31-40
>53
>49
>45
>43
>41
-
4. Choose desired program by
keys and indicators of desired program
+
turn on. Corresponding profile of program is displayed on (W2).
5. Press ENTER key, (W2) displays “WORKOUT TIME” and (W1)
displays preset time value of last operation.
6. Set new time value by
7. Press ENTER key.
keys.
-
+
18
19
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1. Step 1-4 is similar to B, but “FITNESS TEST” program also requires age
Monitoring Your Heart Rate
and sex of user.
5. Press ENTER key, (W2) displays “ENTER AGE” and (W1) displays
To obtain the greatest cardiovascular benefits from your exer-
cise workout, it is important to work within your target heart
rate zone. The American Heart Association (AHA) defines this
target as 60%-75% percent of your maximum heart rate.
preset age of last operation.
-
6. Set age of the exerciser by
7. Press ENTER key, (W2) displays “SET SEX,”
keys.
+
-
8. Choose “MALE” or “FEMALE” by
keys, (W1) displays MALE
+
or FEMALE correspondingly.
9. Press ENTER key, (W2) displays “PRESS ENTER TO BEGIN”
Your maximum heart rate may be roughly calculated by
subtracting your age from 220. Your maximum heart rate and
aerobic capacity naturally decreases as you age. This may vary
from one person to another, but use this number to find your
approximate effective target zone. For example, the maximum
heart rate for an average 40 year-old is 180 bpm. The target
heart rate zone is 60%-75% of 180 or 108-135 bpm. See Fitness
Safety on page 22.
10. Press ENTER key and start to exercise.
E. START MODE
1. Each column of (W2) represents one minute of operation when time is
being counted up.
2. In (W2) presetting time value divided by 16 is equal to each column
when operation time is being counted down.
3. Press ENTER key to change the “SCAN” function in operation and the
corresponding indication of “SCAN” will turn on or off.
-
4. The exerciser can adjust workout level by using
except during “FITNESS TEST” program.
keys in operation
+
Before beginning your workout, check your normal resting
heart rate. Place your fingers lightly against your neck, or against
your wrist over the main artery. After finding your pulse, count
the number of beats in 10 seconds. Multiply the number of beats
by six to determine your pulse rate per minute. We recommend
taking your heart rate at these times; at rest, after warming up,
during your workout and two minutes into your cool down, to
accurately track your progress as it relates to better fitness.
F. RESULT MODE
1. When operation time is finished, the console is in
“Result state”, (W1) displays the following data in
4 second intervals.
a. Total operation time.
b. Cumulative calories.
c. Cumulative distance.
d. Average speed.
e. Average RPM.
2. W3 displays “average heart rate”
3. W2 displays “RESULTS MODE” and shows profiles
of every program for 2.5 seconds sequentially, except in
“FITNESS TEST” program.
During your first several months of exercising, the AHA
recommends aiming for the lower part of the target heart rate
zone- 60%, then gradually progressing up to 75%.
4. W2 displays “SCORE=000” when “FITNESS TEST”
According to the AHA, exercising above 75% of your maxi-
mum heart rate may be too strenuous unless you are in top physi-
cal condition. Exercising below 60% of your maximum will result
in minimal cardiovascular conditioning.
Program is completed.
20
21
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Check your pulse recovery rate – If your pulse is over 100 bpm
five minutes after you stop exercising, or if it’s higher than
normal the morning after exercising, your exertion may have been
too strenuous for your current fitness level. Rest and reduce the
intensity next time.
TARGET HEART RATE ZONE
200
195
Fitness Safety
100%
190
185
180
175
170
165
160
The target heart rate chart indicates average rate zones for different
ages. A variety of different factors (including medication, emotional
state, temperature and other conditions) can affect the target heart rate
zone that is best for you. Your physician or health care professional can
help you determine the exercise intensity that is appropriate for your
age and condition.
Serious
athletic
training range
155
132
85%
170
166
162
157
153
149
145
140
136
Cardiovascular
conditioning
range
(MHR) = Maximum Heart Rate
150
146
75%
143
139
135
(THR) = Target Heart Rate
131
128
124
120
Fat burning
range
116
93
220 - age = maximum heart rate (MHR).
60%
120
117
114
111
108
105
MHR x .60 = 60% of your maximum heart rate.
MHR x .75 = 75% of your maximum heart rate.
102
99
96
For example, if you are 30 years old, your
calculations will be as follows:
20
25 30
35
40 45
50
55 60 65
AGE
220 - 30 = 190
190 x .60 = 114 (low end or 60% of MHR)
190 x .75 = 142 (high end or 75% of MHR)
For a 30 year-old the (THR) Target Heart Rate
would be 114-142.
See Table on right for additional calculations.
22
23
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