Reply:
    Our products will be sealed before sales, which is necessary measure to improve the stability of the products, so it can not modify the parameters after the installation. We can only set the most reasonable parameters according to your needs, it is also possible that you try to install a few sets of fault indicators to acquire the best suitable data according to the specific line analysis in the inspection process, and further to modify the program to ensure that follow-up factory products to maximumlly meet your requirements.

    The parameters of current version need to be set before the products leave factory, the product parameters of upgraded version can be set up through the fiber or serial port after sold out.