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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.

Fitness Safety

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.

(MHR) = Maximum Heart Rate

(THR) = Target Heart Rate

220 - age = maximum heart rate (MHR). MHR x .60 = 60%
of your heart rate.

MHR x .75 = 75% of your maximum heart rate.

For example, if you are 30 years old, your 

calculations will be as follows:

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.

20

21

100%

85%

75%

60%

Serious 

athletic 

training range

Cardiovascular 

conditioning

range

Fat burning

range

20

25 30

35

40 45

50

55

60

65

AGE

200

195

190

185

180

175

170

165

160

155

170

166

162

157

153

149

145

140

136

132

150

146

143

139

135

131

128

124

120

116 

120

117

114

111

108

105

102

99

96

93

TARGET HEART RATE ZONE

Summary of Contents for CardioMax ET850D

Page 1: ... Central Time OWNER S MANUAL Keys Fitness Products L P P O Box 551239 Dallas Texas 75355 1239 CAUTION Please read the precautions and instructions in this manual before using this equipment Please save this manual for future reference CardioMax ET850D QUESTIONS Call Our Toll Free Keys Fitness Helpline 1 888 340 0482 ...

Page 2: ...parts or Product shipped or returned You assume the risk of loss during shipment You must present Keys with proof of purchase docu ments including the date of purchase Any evidence of alteration erasing or forgery of proof of purchase documents will be cause to void this Limited Warranty This warranty does not extend to any product not purchased from Keys or from an authorized Keys reseller This L...

Page 3: ...ert any object or body parts into any opening Service to your Keys Elliptical Trainer 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 Before You Start Thank you for purchasing a Keys Elliptical Trainer This quality product you have chosen was designed to meet yo...

Page 4: ...ING 1 Attach the Aluminum Extrusions 45 to the Main Frame Assembly 1 with Screws 63 Connect the Aluminum Extension Plate 34 between the Extrusions 45 with Screws 64 2 Attach both the Left and Right Rear Foot Frames 32 33 to the Left and Right Front Foot Frames 30 31 with Carriage Bolts 62 and Locknuts 49 ...

Page 5: ...n Frame Assembly 1 and secure with Screws 56 Flat Washers 50 and Locknuts 49 4 Feed the two Pulse Wires 26 from the Console 5 down into the Main Upright 2 and out the handlebar hole Connect the Controller Wire 28 to the Console 5 Then connect the Monitor 5 to the Main Upright 2 with Screws 59 6 7 ...

Page 6: ...haped Handlebar 10 to the Main Upright 2 with Screws 55 Flat Washers 50 and Locknuts 49 6 Curved Washers 79 should already be on Main Upright posts Slide the left and right handlebars 3 4 onto the Main Upright 2 Secure handlebars with Washers 61 Snap Caps 21 Washers 69 Nuts 52 and Nut Caps 22 ...

Page 7: ...11 7 8 10 7 Secure the Connecting Arms 29 to the left and right handlebars 3 4 with Screws 67 Washers 69 Caps 68 and Nuts 52 8 Insert the batteries provided into the back of the Monitor 5 ...

Page 8: ...13 9 9 You have completed the assembly of your CardioMax 850 Elliptical Trainer 12 ...

Page 9: ...LER EXTENSION WIRE 2 28 CONTROLLER WIRE 1 NO PART QTY 29 CONNECTING ARM 2 30 LEFT FRONT FOOT FRAME 1 31 RIGHT FRONT FOOT FRAME 1 32 LEFT REAR FOOT FRAME 1 33 RI GHT REAR FOOT FRAME 1 34 ALUMINUM EXTENSION PLATE 1 35 6004 PRECISE BEARING 6 36 608 PRECISE BEARING 8 37 38mm HANDLEBAR SLEEVE 2 38 76mm BUSHING 4 39 BELT TENSION BRACKET 1 40 ADJUSTMENT CHANNEL 2 41 EYEBOLT 3 42 SPRING 1 43 IDLER PULLEY ...

Page 10: ...m SCREW 4 59 M5X10mm SCREW 4 60 M6X15mm 8 61 M10X38 WASHER 4 62 M8X80mm CARRIAGE BOLT 4 63 M8X100 mm SCREW 4 64 M8X15mm SCREW 6 65 M10X55 8mm SCREW 2 66 M10X48 MACHINE SCREW 2 67 M10X58mm SCREW 2 68 15 8X10X4 3 CAP 4 69 M10X23mm WASHER 4 NO PART QTY 70 25mm BUSHING 8 71 NUT CAP 4 72 CRANK NUT 2 73 LEFT CRANK 1 74 RIGHT CRANK 1 75 SHAFT BUSHING 2 76 JOINITER 2 77 M8X30mm WASHER 2 78 RETAINING RING ...

Page 11: ...ines this target as 60 75 percent of your maximum heart rate Your maximum heart rate may be roughly calculated by subtracting your age from 220 Your maximum heart rate and aer obic capacity naturally decreases as you age This may vary from one person to another but use this number to find your approxi mate effective target zone For example the maximum heart rate for an average 40 year old is 180 b...

Page 12: ...he exercise intensity that is appropriate for your age and condition MHR Maximum Heart Rate THR Target Heart Rate 220 age maximum heart rate MHR MHR x 60 60 of your heart rate MHR x 75 75 of your maximum heart rate For example if you are 30 years old your calculations will be as follows 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...

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