Instruction Manual

BATTERY REPLACEMENT
Remove the cover and insert 2x AAA alkaline batteries. Then reattach the cover.
USE
Hold down the power button for 1 second, the LED display will start, and a beep will sound.
"Warm up" and a countdown from 10 to 0 are displayed.
Note: It is always possible that the mouthpiece and sensor are clogged with dirt.
Sometimes it is necessary to turn the device on and off several times.
"Blow" and a countdown from 10 to 0 are displayed.
Take a deep breath and breathe into the device for about 5 seconds.