BX176 portable single gas detector operation manual
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③ If the input gas cannot reach to half of the calibration
concentration within 30s, or if the input gas concentration is
beyond the sensor drift range in 3 minutes, the icon “ ” will
light on, which means the input gas is not suitable for calibration
or the sensor is fault, please contact to the seller.
If your detector is Oxygen detector, it will skip 3) and 4).
5）Low alarm adjust
In this status, you can change the low alarm concentration,the
screen show as below picture and the figure is flickering,
press or to adjust the flickering figure to be the low alarm
value you want, and then press to confirm, meantime, it will
step into high alarm adjust interface.
Note：For Low alarm adjusting range please refer to attached
list 1.
6）High alarm adjust
In this status, you can change the high alarm concentration,
the screen show as below picture and the figure is flickering,
press or to adjust the flickering figure to be the high
alarm value you want, then press to confirm, meantime, the
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