BX176 portable single gas detector operation manual
14
Under this situation, if press or no operation
withinoneminute, the detector will consider current concentration
to be as “0” and step into calibration point adjusting mode, if
press , the detector will skip the calibrating step and go into
alarm setting mode directly, for more details please refer to item 5)
and 6).
Note：In this mode, the detector must be put in clean air
environment, otherwise the detector’s accuracy can be influenced.
When entering next mode, if screen show icon of “ ”, it means
the environment is not clean air, or the sensor is fault, please
change to another place for adjusting or contact to the seller.
3）calibration point adjusting mode
In this mode, the screen display a flickering concentration
value, press or to change the value. This value means that
concentration of target gas will be used during calibration. See
as below picture:
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