Instruction Manual
Page 46
... affect your blood pressure. Measurement values appear too high or too low. Blood pressure varies constantly. Many factors including stress, time of the battery polarities. Review the sections "Before Taking a Measurement" and "Taking a Measurement." 46 Refer to "Battery Installation." TROUBLESHOOTING TIPS PROBLEM CAUSES AND SOLUTIONS No power.
... affect your blood pressure. Measurement values appear too high or too low. Blood pressure varies constantly. Many factors including stress, time of the battery polarities. Review the sections "Before Taking a Measurement" and "Taking a Measurement." 46 Refer to "Battery Installation." TROUBLESHOOTING TIPS PROBLEM CAUSES AND SOLUTIONS No power.