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OK symbol
Flashes when your monitor is connected to your smart 
device or readings are transferred successfully.
Low battery symbol
Flashes when batteries are low.
Depleted battery symbol
Appears when batteries are depleted.
Pulse display / Memory number
Pulse rate appears after the measurement. 
When pressing the  button, the memory number will also appear 
for approximately 1.5 seconds before the pulse rate shows again on 
the display.
M
N
O