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550ZTX Treadmill Owner’s Guide
3
INTRODUCTION
Model Differences
INTRODUCTION
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:
10 x 25 pixel tri-color LED matrix display
all four pre-set workout programs
no heart rate receiver or heart rate control
Heart Rate Control (HRC) model adds:
four different heart rate control modes
Polar heart rate receiver
MODEL
DIFFERENCES