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Calibration Sequence
20
Do not attempt to calibrate the treadmill unless an Error Code is present. See Error Messages (page 23).
Our treadmill is equipped with a software package that will perform a calibration sequence unique to your
specific model number.
Please perform the following steps to calibrate the Keys 4500T Treadmill.
1. Unplug power cord from outlet strip.
2. Attach Safety Key to console.
3. Plug power cord into outlet strip.
4. Initiate calibration sequence. Locate the hole on the back of the console and insert the eraser end of a pencil
through the hole and press the calibration switch twice. As shown on page 19.
5. CL21 should appear in the Time window, if not, continue to press the calibration switch until CL21
appears.
Note: During the calibration sequence, the Time window will display which step you are at in the process
(C21, C22, C23 and so on). The CAL/DIST window will display which key should be pressed next. For
example, “E” for Enter, “P” for Power, or “SS” for Start / Stop.
6. CL21: MPH or KPH will be flashing in the Speed window, pressing the Speed +/ - button will toggle
options. Choose MPH (KPH), press Enter.
7. CL22: 8, 10, or 12 (13, 16, or 20 in KPH mode) will be displayed in the Speed window, pressing the Speed
+/ - button will toggle options. Choose 10 (or 16 for KPH mode), press Enter.
8. CL23: FFF, UUU, or HHH will be displayed in the Speed window, pressing the Speed +/ - button will tog-
gle options. Choose UUU, press Enter.
9. CL24: 111 or 222 will be displayed in the Speed window, pressing the Speed +/ - button will toggle
options. Choose 222, press Enter.
10. CL25: Verify “---” is displayed, press Enter.
11. CL26: OPA or OPI will be displayed in the Speed window, pressing the Speed +/ - button will toggle
options. Choose OPA, press Enter.
12. CL27: Blank (nothing), “a”, “b”, “c”, “d” or “e” will be displayed in the Incline window, pressing the
Speed +/ - button will toggle options. Choose “blank”, press Enter.
13. CAL/DIST window will display “55”. Press Start / Stop. “E” will display in CAL/DIST window.
14. Press Enter Program button.
15. At this time, make sure you are not standing on the walking belt, as the machine will automatically initiate
belt movement and run through a complete calibration and diagnostic routine.
Press Enter. Belt will begin to move. Unit will begin self-calibration.
16. When Speed and Incline calibration has finished, press Power button twice, display should be blank, and
treadmill should be ready for use.
To avoid possible damage to the treadmill and the possibility of injury, do not operate the treadmill
until the problem is corrected. Call Keys Fitness Customer Service at (888)-340-0482 if problem per-
sists.