HOW TO USE THE PRODUCT
Press the ON/OFF button, the display would
switch on with a buzzer brief ringing. The wri-
ting „WARM UP” flashes on the display and
the 10 seconds initial warm-up begins, there
is a countdown on the LCD from 10-0; then
the writing „WARM UP” disappears and the
„BLOW” guide you to have a testing imme-
diately. When the „BLOW” appears, blow into
the „Gas Entry”. Please have a deep breath
and breathe out directly to gas entry within
3 cm from the sensor. The measured value will
be displayed for 8 seconds and at the same
time you hear a buzzer ringing; then the te-
ster will switches itself automatically off. For
a new testing, please press the switch button
again and repeat the above steps. For a more
accurate reading, it is advisable to wait 60 sec.
Between different measurements.
BATTERY REPLACEMENT
Remove the battery cover. Carefully remo-
ve the old batteries. Insert 2 new battery
observing the polarity markings in the com-
partment. Please use new batteries of the
same type and brand. Close the battery com-
partment.
Note: If the display shows the “LO” symbol,
the battery must be replaced.
It is recommendable to remove the batteries
from the product in case of long no-use.
