E6000 Portable Multi-Gas Detector Henan Hanwei Electronics Co., Ltd.
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Press to move the cursor and the selected icon turns black.
Then press to enter the submenu.
5.8.2 Zero calibration
Select icon and press to enter auto zero
calibration interface, shown as below. When finished, a “√” icon
displays for gas succeed and “×” for gas failed .
In the auto zero calibration mode, press and the device
enters maunal zero calibration interface, shown as below.