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3) Depressing the calibration mode switch ONCE; CL11 should appear in the TIME window. 4) Pressing the SPEED +/- button will activate your choice. 5) To accept the setting, press the POWER button. 15 Maintenance Instructions WARNING! Before performing any maintenance to your treadmill, always unplug the power cord from the surge protector. CLEANING Routine cleaning of your Keys Fitness treadmill will extend the life of your treadmill. WARNING! To prevent electrical shock, be sure the power to th