6
The maximum reading the CO Check can measure is 99
PPM. Any reading above that will be displayed as - - (over
range).
After examining the readings, the unit can either be switched off
using the ON/OFF Power key
or another measurement can be
carried out by pressing the Select
Function key for at least
three seconds.
To save the battery, the unit will switch OFF automatically
after three minutes if not used.
Operation (Environmental Mode Enabled)
Insert the 9V battery by removing the battery cover and clipping
the battery in place, replace the battery cover. Insert the
SafeBreath cardboard filtered mouthpiece or if not using a
SafeBreath mouthpiece, insert the plastic mouthpiece adapter
followed by a cardboard mouthpiece.
Turn the CO Check+/CO Check+ Baby ON by pressing Power
key. The device will display CO then the version number (ex. 4r)
before starting the countdown timer.
The unit will countdown for 10 seconds to ensure the sensor is
stabilized.
When the countdown timer reaches zero, it will display the current
environmental reading
