550ZTX
O w n e r ’ s G u i d e
Thank You For Selecting A True Treadmill
In 1981, Frank Trulaske launched True Fitness
Technology, Inc. and began manufacturing hand-crafted treadmills.
His team’s obsession with quality has propelled True to the top of the industry and has created one of America’s oldest, largest and most respected treadmill manufacturers. True’s 242,000 square foot facility, just outside St. Louis, Missouri, houses the manufacturing plant, engineering laboratory and
testing facility.
“Our original goal was to build the world’s best treadmills, and today we believe we’re doing it!”
-Frank Trulaske
Over the years, True has designed, developed and fabricated new and cutting-edge components for their complete residential and commercial treadmill line, including innovative frame and suspension systems.
Intensive quality control standards guarantee excellence in every phase of production, resulting in the finest treadmills available in the marketplace.
True treadmills are consistently rated #1 for their smooth, quiet and comfortable performance. Today, True is the choice for workouts among beginners, rehab
patients and top athletes world-wide.
Table of Contents
1 - Introduction |
2 - The Console |
Introduces key |
Describes each key |
features, as well as a |
and display window. |
guide to where to go |
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next in this manual. |
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3 - Basic
Operation
How to get the treadmill started and stopped, as well as discussing calories estimation and heart rate monitoring.
page 1 page 9 page 15
4 - Operation in |
5 - Heart Rate |
6 - User |
Greater Detail |
Control Workouts |
Programs |
All the details of |
Four different kinds |
You can record your |
manual and preset |
of treadmill-controlled |
workout to play back |
programs. |
heart rate feedback |
as a custom- |
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workouts. |
designed workout. |
page 25 |
page 33 |
page 45 |
7 - Designing |
8 - Care and |
9 - Important |
an Exercise |
Maintenance |
Safety Instructions |
Program |
Basic requirements, |
Be sure to familiarize |
Advice on various ways |
as well as a simple |
yourself with this |
to use your treadmill in |
troubleshooting and |
section. |
a rewarding exercise |
diagnostics guide. |
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regime. |
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page 49 |
page 59 |
page 69 |
Appendix A - Target Heart Rate Chart: A guide to help you |
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pick an initial target heart rate. |
page 75 |
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Appendix B - METs Table: How speed and incline affect |
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workload, expressed in METs. |
page 79 |
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Appendix C - METs Explanation and Formulas: The metabolic formulas behind energy expenditure estimates. page 83
Appendix D - Specifications: The physical attributes of your |
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550ZTX Treadmill. |
page 87 |
Bibliography - References and selected readings. |
page 91 |
5 5 0 Z T X T r e a d m i l l O w n e r ’ s G u i d e
chapter one
Introduction
In This Chapter:
Model Differences
Top Features
Where to Go From Here
CHAPTER 1: Introduction
CHAPTER 2: The Console
CHAPTER 3: Basic Operation
CHAPTER 4: Operation in Greater Detail
CHAPTER 5: Heart Rate Control Workouts
CHAPTER 6: User Programs
CHAPTER 7: Designing an Exercise Program: The F.I.T. Concept
CHAPTER 8: Care and Maintenance
CHAPTER 9: Important Safety Instructions
5 5 0 Z T X T r e a d m i l l O w n e r ’ s G u i d e |
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Model Differences
INTRODUCTION
MODEL
DIFFERENCES
Your new 550 ZTX treadmill, the finest home treadmill ever produced, is part of a family of three treadmills with a variety of combinations of features. Since this owner's guide covers all three models, you might notice explanations of features that are different from your treadmill.
Here are the differences between the three models:
Programmed (P) model:
ω10 x 25 pixel tri-color LED matrix display
ωall four pre-set workout programs
ωno heart rate receiver or heart rate control
Heart Rate Control (HRC) model adds:
ωfour different heart rate control modes
ωPolar heart rate receiver
NTRODUCTIONI
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INTRODUCTION
Top Features
INTRODUCTION
Cardiointeractive (CI) model adds:
ωlarger 14 x 50 pixel tri-color LED matrix display
ωmotorized S.O.F.T. Select deck softness adjustment
Your 550 ZTX treadmill has all the expected features of a |
Top |
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premium fitness product, such as four interesting pre- |
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programmed workouts, a wide-ranging Manual workout mode, |
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and displays of distance and calorie accumulation. |
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But it also has some unique and useful features that bring you |
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increased convenience, comfort, and performance: |
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S.O.F.T. Select: actually change the way the treadmill deck |
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feels to your footplants. (See Chapter 3.) |
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More on Top Features
INTRODUCTION
User Programs: record up to three different workouts simply by using Manual mode — the treadmill remembers each one individually so you can use them later as your own custom
programmed workout. (See Chapter 6.)
True Touch keys: feather-light sensitivity eases data entry and control.
In the HRC and CI models:
Heart Rate Control: the treadmill controls both speed and incline to keep your heart rate in a target zone. Nine different workout setups, mixed between timeor distance-based
workouts, can be saved to use later. (See Chapter 7.)
Interval Heart Rate Control: a target heart rate work interval is mixed with a reduced workload rest interval, and you pick how long each of these is. Five different target and interval setups can be saved.
Cruise Control: set your current heart rate as your target heart rate by pressing a single key.
NTRODUCTIONI
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INTRODUCTION
For Your Safety
INTRODUCTION
For your maximum safety and comfort, make sure you read Chapter 9, Important Safety Instructions.
Chapter 2: The Console. Describes each console key and display window.
Chapter 3: Basic Operation. How to get the treadmill started and stopped; calorie consumption estimates; heart rate monitoring; the S.O.F.T. Select system.
Chapter 4: Operation in Greater Detail. All the details of manual and pre-set programs.
Chapter 5: Heart Rate Control Workouts. Four different kinds of treadmill-controlled heart rate feedback workouts.
Chapter 6: User Programs. You can record your workout to play back as a custom-designed workout.
Chapter 7: Designing an Exercise Program. Advice on various ways to use your treadmill in a rewarding exercise regime.
Chapter 8: Care and Maintenance. Basic requirements, as well as a simple troubleshooting and diagnostics guide.
Chapter 9: Important Safety Instructions. Make sure you familiarize yourself with this section.
For Your
Safety
Where to Go From Here
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Where to Go From Here
INTRODUCTION
Appendix A: Target Heart Rate Chart. A guide to help you pick an initial target heart rate.
Appendix B: METs Table. How speed and incline affect workload, expressed in METs.
Appendix C: METs Explanation and Formulas. The metabolic calculations behind energy expenditure estimates.
Appendix D: Specifications.
Bibliography: References and selected readings.
NTRODUCTIONI
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chapter two
The Console
In This Chapter:
Lower Console
Cardiointeractive (CI) Model Console
HRC Model Console
Programmed Model Console
CHAPTER 1: Introduction
CHAPTER 2: The Console
CHAPTER 3: Basic Operation
CHAPTER 4: Operation in Greater Detail
CHAPTER 5: Heart Rate Control Workouts
CHAPTER 6: User Programs
CHAPTER 7: Designing an Exercise Program: The F.I.T. Concept
CHAPTER 8: Care and Maintenance
CHAPTER 9: Important Safety Instructions
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Lower Console - Common to all Models
Z 0 5 5 |
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Clear |
Start/Reset |
Numeric Keys |
Stop/Pause |
Enter |
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T |
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Clears current |
Starts the belt in motion. |
Direct entry of |
Stops the belt and |
Identical to Select/Enter |
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numeric entry. |
Also resets workout data |
numeric data. |
pauses workout. If held |
with additional function |
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when held for 3 seconds. |
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for 3 seconds, resets all |
when changing speed or |
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workout information. |
incline using numeric keys. |
l l i m d a e r |
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r e n w O |
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Safety Key |
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Grade Up/Down |
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Speed Slow/Fast |
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Select/Enter |
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Removable magnetic key |
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Adjusts incline. Also |
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Adjusts speed in 0.1 mph |
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Accepts workout |
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must be in place for |
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used to choose |
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increments. Also used to |
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parameters, and |
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G |
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treadmill to operate. |
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programs. |
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set weight and other |
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toggles the dual |
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workout parameters. |
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function displays. |
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e d i u |
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11 |
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ONSOLE |
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Console Lower
ONSOLEC HET
12
e d i u G s ’ r e n w O l l i m d a e r T X T Z 0 5 5
THE CONSOLE
CI (Cardiointeractive) Model Console
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Message Center |
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Soft Select Adjustment |
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Express Keys |
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Provides workout setup |
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Matrix Display |
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Changes the softness of the |
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Instantly change from program |
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instructions, and data |
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Shows workout progress. |
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treadmill deck. |
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feedback during workout. |
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to program. |
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Distance |
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Grade |
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Time |
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Pace |
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Calories |
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METs |
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Speed |
Miles traveled in 0.01 |
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Incline in percent grade |
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Time remaining in your |
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Time per mile |
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Estimated |
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Energy |
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Miles per |
mile increments up to |
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in 0.5% increments. |
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workout. (This is |
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at current |
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total calories |
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expenditure |
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hour in |
9.99 miles, or 0.10 |
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elapsed time in default |
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speed. |
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burned. |
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rate. See |
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mile increments past |
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Manual mode or Quick |
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Appendix C. |
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increments. |
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10 miles. Can also be |
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Start.) |
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set to count down. |
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Model Cardiointeractive
PERATIONO ASICB
e d i u G s ’ r e n w O l l i m d a e r T X T Z 0 5 5
13
HRC Model Console
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Express Keys |
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Matrix Display |
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Instantly change from program |
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Shows workout progress. |
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to program. |
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Distance |
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Grade |
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Time |
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Pace |
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Calories |
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METs |
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Speed |
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Miles traveled in 0.01 |
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Incline in percent grade |
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Time remaining in your |
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Time per mile |
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Estimated |
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Energy |
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Miles per |
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mile increments up to |
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in 0.5% increments. |
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workout. (This is |
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total calories |
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expenditure |
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hour in |
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9.99 miles, or 0.10 |
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elapsed time in default |
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speed. |
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burned. |
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rate. See |
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mile increments past |
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Manual mode or Quick |
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Appendix C. |
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increments. |
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10 miles. Can also be |
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Start.) |
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set to count down. |
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HEONSOLE |
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Model HRC
ONSOLEC HET
14
e d i u G s ’ r e n w O l l i m d a e r T X T Z 0 5 5
THE CONSOLE
Programmed Model Console |
PERATIONASICO B |
Programmed |
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Matrix Display |
Express Keys |
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Instantly change from program |
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Shows workout progress. |
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to program. |
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Model |
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Distance |
Grade |
Time |
Pace |
Calories |
METs |
Speed |
Miles traveled in 0.01 |
Incline in percent grade |
Time remaining in your |
Time per mile |
Estimated |
Energy |
Miles per |
mile increments up to |
in 0.5% increments. |
workout. (This is elapsed |
at current |
total calories |
expenditure |
hour in |
9.99 miles, or 0.10 |
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time in default Manual |
speed. |
burned. |
rate. See |
0.10 |
mile increments past |
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mode or Quick Start.) |
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Appendix C. |
increments. |
10 miles. Can also be |
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set to count down. |
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chapter three
Basic Operation
In This Chapter:
Starting Your Treadmill Safely
Speed and Incline Adjustment
Stopping your Treadmill Safely
Setting Your Weight
A Note About Calorie Expenditure Calculations Monitoring Your Heart Rate Using the Heart Rate Transmitter Strap
The Treadmill’s Heart Rate Display
The S.O.F.T. Select System
CHAPTER 1: Introduction
CHAPTER 2: The Console
CHAPTER 3: Basic Operation
CHAPTER 4: Operation in Greater Detail
CHAPTER 5: Heart Rate Control Workouts
CHAPTER 6: User Programs
CHAPTER 7: Designing an Exercise Program: The F.I.T. Concept
CHAPTER 8: Care and Maintenance
CHAPTER 9: Important Safety Instructions
5 5 0 Z T X T r e a d m i l l O w n e r ’ s G u i d e |
15 |
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Starting Your Treadmill
BASIC OPERATION
STARTING Straddle the treadbelt by placing your feet on the straddle YOUR covers.
TREADMILL
SAFELY Attach the lanyard to your clothing at roughly waist height.
Place the safety key on the key holder on the console.
Set your weight using the 
and 
keys or the numeric keys and press 
.
Press the 
key for a quick start into a manual control workout, or…
Press 
to set up a manual workout, or…
Press the 
keys or an Express Command Key to begin setting up a different workout, as described in Chapter 4.
PERATIONO ASICB
5 5 0 Z T X T r e a d m i l l O w n e r ’ s G u i d e |
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BASIC OPERATION
Adjusting Speed and Incline
BASIC OPERATION
SPEED AND
INCLINE
ADJUSTMENT
Speed Control: use either the 
and 
keys by themselves
to change speed. Or, to quickly go to a specific speed...
...enter a target speed with the
numeric keys...
...then press the small Enter key
...
...and then press either the 
or 
key to change to that
speed.
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Stopping and Setting Your Weight
BASIC OPERATION
Incline Control: use either the 
and 
keys by themselves
to change incline. Or, enter a target incline with the numeric keys, then press the small Enter key, and then press 
the 
or 
key to change to that incline.
STOPPING
YOUR
TREADMILL
SAFELY
Care should be taken when using the numeric keys to control your treadmill's speed and incline, since large changes in those values are possible with just a few keystrokes.
Slow the treadmill to below 2 mph using the 
key. Press
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SETTING YOUR Your body weight must be entered so that the treadmill WEIGHT accurately estimates your calorie expenditure. This weight
must include your workout clothing, too, which typically adds about three pounds. The treadmill will work fine without your weight setting, but will be unable to calculate your total calories.
The treadmill will remember the last weight you entered.
PERATIONO ASICB
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BASIC OPERATION
Calorie Expenditure Calculations
BASIC OPERATION
True treadmills use the calorie expenditure formula as |
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A NOTE ABOUT |
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described in Guidelines for Exercise Testing and Prescription |
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CALORIE |
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from the American College of Sports Medicine. |
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EXPENDITURE |
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This is the most widely accepted formula for |
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CALCULATIONS |
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running and walking. |
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The ACSM guide says that running burns calories |
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twice as fast as walking, e.g., a 150-pound person |
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jogging at 5 mph requires 548 calories per hour, |
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while walking at 5 mph requires 274 per hour. See Appendix C |
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for more details. |
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(Other respected researchers such as David Costill think the |
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ACSM overstates the energy difference between running and |
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walking. Costill believes running requires 60% more energy |
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than walking, not 100% as calculated by the ACSM. Using the |
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same example, Costill's calculations result in 496 cal/hour for |
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running 5 mph, with 313 cal/hour |
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for walking 5 mph.) |
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One potential source of calorie |
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estimate error is that the treadmill |
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doesn't know if you are running or |
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walking, so it has to make some assumptions. It assumes you |
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are walking at 3 mph and slower, and running at 5 mph and |
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faster. Between those two speeds, the treadmill combines the |
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walking and running formulas to make its best guess. |
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Variations in human exercise efficiency are another potential |
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source of error, with differences of plus or minus 10% |
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common in the population. |
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Heart Rate Monitoring
BASIC OPERATION
MONITORING The 550 ZTX treadmill (models HRC and CI) can monitor your YOUR HEART heart rate when you wear the transmitter strap provided. It
RATE will display it as a digital beats-per-minute readout, and it is very accurate, typically
within one beat minute.
Although your treadmill functions fine without using the heart rate monitoring feature, this kind of monitoring gives you valuable feedback on your effort level. It also allows you to use the most advanced training system available on a treadmill: True's Heart Rate Control, where the treadmill automatically adjusts your workout level based on your heart rate. See the Heart Rate Control section of this manual for details.
USING THE |
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The transmitter strap should be |
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HEART RATE |
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worn directly against your skin, |
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TRANSMITTER |
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about one inch below the pectoral |
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STRAP |
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muscles/breast line. |
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Women should be careful to place |
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the transmitter below their bra line. |
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Some moisture is necessary between |
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the strap and your skin. Sweat from |
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your exercise works best, but |
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ordinary tap water may be used prior to your workout if |
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desired. |
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PERATIONO ASICB
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BASIC OPERATION
The Heart Rate Display
BASIC OPERATION
Before you start your workout, as you stand on or near the |
THE |
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treadmill, you will know the treadmill is properly receiving |
TREADMILL’S |
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your heart rate signal by the flashing LEDs in the Heart Rate |
HEART RATE |
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window, or, on the CI model, a beating heart in the LED |
DISPLAY |
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matrix. |
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Once you start your workout, your heart rate will be displayed in beats per minute.
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S.O.F.T. Select
BASIC OPERATION
THE S.O.F.T. One part of True's unique SELECT cushioning and stability SYSTEM system is the S.O.F.T.
System. It cushions the initial impact of your foot plant near the front of the treadmill deck, then transitions to a firm,
secure surface for push-off. The combination of softness, then firmness — right when you need them — reduces stress on ankles, knees, hips, and back.
The other part of True's comfort and performance system is the S.O.F.T. Select adjustable softness surface. You can adjust the deck support through a 22-inch range by moving the lever on the right side of the treadmill or, on the CI model, by pressing the Softer or Firmer keys on the console. The 1 setting is softest and the 12 setting is firmest.
S.O.F.T. Select is especially useful to accommodate users of differing weights or those with special physical needs.
The CI Model's Electronic S.O.F.T. Select:
Press and hold the 
or 
keys to
change the target setting in the message center. To review your S.O.F.T. Select setting, quickly press either S.O.F.T adjustment key.
PERATIONO ASICB
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chapter four
Operation in Greater
Detail
In This Chapter:
Workout Setup
Pre-Set Program Operation
Tuning Your Workout
Pre-Set Program Profiles
CHAPTER 1: Introduction
CHAPTER 2: The Console
CHAPTER 3: Basic Operation
CHAPTER 4: Operation in Greater Detail
CHAPTER 5: Heart Rate Control Workouts
CHAPTER 6: User Programs
CHAPTER 7: Designing an Exercise Program: The F.I.T. Concept
CHAPTER 8: Care and Maintenance
CHAPTER 9: Important Safety Instructions
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