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Battery notices
The device associated with this operating manual contains 2 AAA Alkaline batteries (1.5 V) in
delivery condition. These batteries are not made for recharging. The use of a rechargeable
battery is not possible with this device and can damage it. If the included batteries are deple-
ted, they must not be thrown into the household waste. Used batteries may contain harmful
substances that can cause environmental or health damage. Please return all depleted
batteries to electrical appliance stores, who collect them for free.
Battery exchange
Apply a small amount of pressure on the battery cover located on the back of the unit and
push down and away from the unit to release the cover. See the following diagram.
Attention:
Mind the battery polarity in the process (+/-).
In the EU the return of used batteries is mandatory by law. All depleted batteries and also
rechargeable batteries will be recycled. This way valuable resources like iron, zinc and nickel
can be retrieved and are reusable then. Battery recycling is the easiest lesson in environmen-
tal protection – so please support it!
The shown garbage bins mean that batteries or rechargeable batteries must not be thrown
into the household waste. The signs below the garbage bins are acronyms for the chemical
substances inside the battery:
Hg: Battery contains Mercury
Cd: Battery contains Cadmium
Pb: Battery contains Lead
Error / Warning Notifications
Display
notification
Cause & Action
Display
notification
Cause & Action
0.50
READY
WARN
BATT
LOW
If the result is higher
than 0.5‰ (‰ = default
setting) a “WARN” signal
is displayed along with an
“ALARM” sound.
bAt
READY
WARN
BATT
LOW
The battery voltage is
too low to perform a test.
The device will turn off
automatically after showing
this signal. Replace the
2 pieces of 1.5V Alkaline
Batteries.
Hot
READY
WARN
BATT
LOW
If the result is above
4.00‰ a “Hot” signal is
displayed along with an
alarm sound.
FLo
READY
WARN
BATT
LOW
The user had a short
exhale time during the
test, which likely means
the user did not exhale
steadily and continuously
for at least 3-5 seconds.
Push the power button to
perform another test.
CAL
READY
WARN
BATT
LOW
When you have done 500
tests, then the unit shows
“CAL”. Even if the unit still
works, a re-calibration is
required. Consult ACE
Instruments and send your
device to the calibration
service.
OUt
READY
WARN
BATT
LOW
When the ambient tem-
perature is out of working
temperature range (5°C ~
40°C) the unit shows “OUT”
and then turns off. Keep
and use the unit within the
recommended tempera-
ture range.