5
Press the
button.
The device will beep and the power indicator will
light green.
Note
• When the power is turned on, all indicators
will light up for 2 seconds. Then, the previous
measurement result (refer to section 3.2) will be
displayed for 2 seconds.
• If you do not start a measurement within 30 seconds
after turning the power on, "
appear. To restart the device, press and hold the
button to turn the power off and press it again to
turn the power on.
• Ensure that both the parent and the patient DO
NOT talk while the measurement is being taken.
3.1 Taking a Measurement
Power indicator
" symbol will
Beep
WHEEZE
NO WHEEZE
EN
.........
.........
EN12