To unlock: Press and quickly release the SET button. The display will show five hyphens. Enter the combination that was entered to lock the pedometer. The display will flash and the “L” in the lower left-hand corner of the display will disappear. The pedometer can now be reset.

Note: removing the battery will also reset the pedometer.

Push the MODE button until you are in the step mode.
To lock: Press and quickly release the SET button. The display will show five flashing hyphens. To enter a lock code, any combination of numbers 1,2, and 3 can be used. To enter a code number, the MODE button will enter the number 1, the SET button number 2, and the RESET button number 3. Thus, if the buttons are pushed in the following order:MODE, SET, RESET, MODE, SET, the combination will be 12312. Once 5 numbers are entered (within 10 seconds), the letter “L” will display in the lower left-hand corner of the display indicating that the pedometer is locked and cannot be reset.