Directions Measuring your blood pressure is as easy as 1-2-3! 1. apply the cuff on the inside of your wrist so that the display is facing you and is about 1/2 inch from your hand. the velcro should fit snug and not too tight. 2. support you arm so that the cuff rests at about the same height as your heart. 3. push the start button. Read the instruction manual carefully before using this device, especially the safety instructions, and keep the instruction manual for future use.