1. Connect the instrument and connect it to the mains power socket with the mains using a power cord, and ground the instrument reliably (otherwise it is susceptible to interference and cause data fluctuations); check whether the drain hose is firmly installed (do not leave the drain hose outlet The end is not submerged in the waste liquid, so as not to drain the liquid), and inject distilled water (reference liquid) into the cuvette, turn on the power switch of the instrument, the instrument displays the unit name and date, and is accompanied by a sound, press "cursor" Press the key to move the cursor and enter the year, month, and day. And press the "Confirm" button to end; if you don't need to modify, you can directly press the "Confirm" button to enter the sample test interface.
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