01. Press the Save button or Test button to prepare the measurement.
02. Place the two metal sensors in the position to be measured and press the test button. At this time, if the sensor is separated from the skin, it can not be measured. The semicircle flashes from left to right and the semicircular display stops with the final measurement.
03. The measurement time is displayed on the screen with sound after about 3-4 seconds.
04. When the "ER" message appears on the display, it means to re-measure.