When you use our fixed gas detector, there is some item as below function description:
l F-01 Primary alarm value
Change the value through the "up" button, and switch the position of the digital tube flashing through the "Settings" key. Press OK to save settings.If the gas is oxygen, the first alarm value is the alarm lower limit.
l F-02 Two alarm value
Change the value through the "up" button, and switch the position of the digital tube flashing through the "Settings" key.
Press OK to save settings.
If the gas is oxygen, the two alarm value is the alarm limit.
Change the value through the "up" button, and switch the position of the digital tube flashing through the "Settings" key.
Press OK to save settings.
l F-03 Range Values
Factory has been set, please do not change freely.
l F-04 Accuracy setting
Change the value by the "up" key, 1 for integers, 0.1 for one decimal, and 0.01 for two decimal places.
l F-05 Unit settings
To change the value by the "up" key, P is ppm, L is %LEL, and U is %vol.
l F-06 Gas type
Change the value by the "up" key, 0 for non oxygen, and 1 for oxygen.
（3）Error code description
l E-01 Over full scale
User operation Precautions
· In the process, the user will set the parameters , 30 seconds without pressing any key, the system will exit the environment of setting parameters , back to the detection mode.
The user sets the first and second alarm to be less than the maximum range setting, and the first level alarm value should be less than two alarm value.
Users can refer to the following: If the CO gas range is 1000ppm,
(F-02) is 150 or other value, if you do not use the secondary alarm, then the secondary alarm value (F-02) is 50 or other value if you need to set the secondary alarm, Set the secondary alarm value (F-02) to the range 1000.