Stairmaster StepMill SM916 Owner's Manual page 19

Operation
Target Heart Rate (in HR Control programs only)
The 20 x 30 brickyard in the lower half of the display will show the exercise pro le
of the workout program selected. Each column represents an equal portion of the
total workout and the ashing column will advance across the brickyard as you
progress through your workout.
Changing Step Rate (SR) or Target Heart Rate (THR) during a Workout
During the workout, the SR may be changed at any time during the workout by
pressing the [Level: UP] key to increase the resistance, or the [Level: DOWN] key to
decrease the resistance. The console will display STEP RATE.
In HR Control programs, you can use the numeric keys to change the THR. If the
user presses a numeric key in a HR Control program, then the message line will
display TARGET HR.
Once you enter your desired THR, press [ENTER] to accept, and the console will
gradually change the resistance to move you to the new THR.
Target Heart Rate (THR)
The WORK THR selected by the console is based on age, and is equal to 80% of
your maximum HR which is calculated by the following equation:
Max HR = 215 – (.75 * Age)
Target HR = Max HR * .8
If desired, change the THR at this point by using the numeric keypad to enter the
new THR, and then press [ENTER]. Change to a new THR (between 100 and 180
beats per minute) during a workout by using the numeric keypad to enter the new
THR, and then pressing [ENTER].
The REST THR selected by the console is based on age, and is equal to 65% of your
maximum HR which is calculated by the following equation:
Max HR = 215 – (.75 * Age)
Target HR = Max HR * .65
If desired, change the THR at this point by using the numeric keypad to enter the
new THR, and then press [ENTER].
Pausing Your Workout
The program automatically enters the PAUSE state from a workout when the STOP
key is pressed. The workout will be suspended, and the program will display the
following alternating messages every 3 seconds for up to 2 minutes: WORKOUT
PAUSED. PRESS STOP OR START.
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Owner's Manual