True Fitness 350-750 - Manual (Page 18)

Calibration Procedures
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SS 100 PWM (5-xxxxx to 6-79999 serial numbers)
Entering Engineering Mode:
With safety key in, power up unit while holding Grade Up and Grade Down keys.
Incline will reset to zero.
Mode 1: Max Speed
Press Select/Enter- 01 (C1 for 450) appears in Distance.
Adjust speed using Fast and Slow buttons until 10 or 12 mph
Verify speed by counting belt revolutions: 10mph= 102 Belt revs/per min. 12mph= 121 Belt revs/per min.
Press Start/Reset to save max speed, wait for belt to stop.
Mode 2: Speed Table
Press Select/Enter-02 (C2 for 450) appears in Distance
Press Start/Reset to set speed table. Treadmill will speed up and slow down on its own. Wait for belt to
stop.
Mode 3: Incline
Press Select/Enter- 03 (C3 for 450) appears in distance
Press Grade Up to upper incline limit, then back down slightly
Save upper limit by pressing Start/Reset
Turn treadmill off and then back on and check operation
SS90 Calibration (6-8xxxx serial numbers and after)
Enter Calibration Mode by holding the Up and Down keys while inserting the safety key
In message center window displayed: Press Start to Calibrate
NOTE: In Calibration mode, it is possible to check if the speed sensor is reading all the front roller
magnets: the Met light will light when a magnet is in front of the sensor. Speed must be less than 1 mph.
Press Start/Reset to begin calibration
Treadmill will elevate and speed up/slow down. Wait for belt to stop.
Message center window will display: Successful, or will indicate error area.
Remove and re-insert safety key. Check operation of treadmill.
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