Shenzhen Korno Import&Export Co.,Ltd
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stay still, user can chose a un-calibrate option to operate(√ indicate this level has
been calibrated and × indicate this level still need to be calibrate);first of all input
a concentration value of standard gas then calibrate. Target gas concentration
value will set up to be the standard gas concentration value after calibration.
6.2.6 Alarm Settings
User can set the alarm limit and alarm mode in this menu, as shown in
figures30-31,there are two alarm value setting, which are high alarm and low
alarm. When user set as the low alarm mode, it will trigger alarm when real-time
concentration is lower than preset value , when user switch to high alarm mode, it