A:AnswerPlease see the instruction manual here for a full description on what each symbol means: https://omronhealthcare.com/wp-content/uploads/3-series-upper-arm-blood-pressure-monitor-bp7100-im-en03022020.pdf
A:AnswerThe memory functions keep 14 blood pressure readings, so you can analyze your health trends, while the variety of D-ring cuffs enable usage with different arm sizes.