NordicTrack C2250 English Manual - Page 17

4 Follow your progress with the displays. See step 5 on page 12. 5 Measure your heart rate if desired. See step 6 on page 13. 6 Turn on the fans if desired. See step 7 on page 13. 7 When you are finished exercising, remove the key. See step 7 on page 14. HOW TO USE HEART RATE PROGRAMS CAUTION: If you have heart prob- lems, or if you are over 60 years of age and have been inactive, do not use the heart rate programs. If you are taking medication regularly, consult your physician to find whether the medication will affect your exercise heart rate. Follow the steps below to use a heart rate program. Note: You must wear the optional chest pulse sensor (see page 24) to use a heart rate program. 1 Put on the optional chest pulse sensor. See the instructions included with the optional chest pulse sensor. 2 Insert the key fully into the console. See HOW TO TURN ON THE POWER on page 11. 3 Select a heart rate program. When the key is inserted, the manual mode will be selected. To select a heart rate program, press the Select Program button repeatedly until the HR1 or HR2 indicator lights. During heart rate programs, the program display will show a graphic that represents your heart rate. Each time a heartbeat is detected, an additional peak will appear. 17