1. Press and release the memory keyboard of the sphygmomanometer when it is turned off to display the average value of the most recent measurement.
2. Press the memory key again and release it to display the first group of the most recent measurement data. 01 appears in the lower right corner of the picture to indicate the first group. In turn, you can check the second and third groups, and so on
3. In the shutdown mode, press and hold the memory key, the screen will enter the "SP" mode, press the "switch" key to switch "On" or "off" to set the voice. Among them (On means to turn on the voice broadcast, OFF means to turn off the voice broadcast)
4. In the shutdown state, press the memory key and RLL EE appears. Press the setting key and then release the setting key and the memory keyboard, and the data storage will be deleted. It is worth noting that some blood pressure monitors have the same meaning when DEL appears.
Note: The electronic sphygmomanometer uses the oscillometric method. The oscillometric method measures the vibration of the blood vessel wall when the blood flows. During the cuff deflation process, as long as the pressure in the cuff is the same as the blood vessel pressure, the vibration will be the strongest .
