Briefly press to turn off the LCD backlight; hold for over 2 seconds to enter stand-by mode.
: Regularly check and clean the filters to maintain accuracy. Printer Maintenance : Use standard thermal paper rolls (approx. 57mm); the key on the keyboard helps advance paper during replacement. Calibration : The device performs automatic zeroing and self-adjustment
Once the device is set up, you can start using it to monitor gas levels. Here's how:
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