
Safety Information
Before using the device, please read this manual carefully and follow
the operation requirements as below:
Please don't use the defective detector. Before using, please check if
there is crack or spare parts’ missing. If there is, please contact the
seller.
It's suggested to do the "Impact Test" by following 4.2 before using
this device every day to check if the detector works well.
Only spare parts which are specified for JL269 or permitted by the
seller are allowed to be used.
Only the charger which is specified with JL269 is allowed to be used
to charge the device. It's forbidden to charge the device in dangerous
environment.
Please don't expose the device into the exceeding-range gas for long
time. Otherwise, it will seriously affect the performance or even
damage the device.
If exposed to the environment consisting of leaded compound,
sulfur-compound, organic phosphorus compound or silicon, the gas
sensor will be poisoned. Please don't use the device in the above
environment.
Please don't expose the device to the environment which consists of
H2S, hydrocarbons gas or high corrosive gas for long time.
Otherwise, it will restrain the response of the gas sensor and reduce
the sensitivity. If the device has to be used in the above environment,
please carry out the Impact Test before using it.
Please don't expose the device to the environment which has electric
shock, strong magnetic field or serious continuous mechanic
shocking.
There is a NI-MH battery inside the device. Please don't place the
useless battery together with the rubbish. The useless batteries should