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level(about 400ppm) within about 48 hours after the
sensor start and for each 7 days of continuous operation.
Automatic calibration function is suitable for people who
are active in office, at home or do other non-all-weather
activities and people who enjoy a good ventilated
environment. It is not applicable to agricultural
greenhouses, farms, warehouses and other places.
During carbon dioxide detection, avoid product vibration
and direct blowing on the sensor by strong winds, which
may cause deviation of the carbon dioxide detection value.
Backlight brightness levels:
Touch "
(high - medium - low - off).
Low power indicator:
The low power indicator "
the monitor has low battery power
The product will turn off the backlight function, carbon
dioxide detection function, etc. to ensure the continuous
operation of the time function.
Use the USB adapter to power the monitor and recharge
the built-in battery to avoid losing previously made settings.
" to switch backlight level, a total of four levels
" will be displayed, when
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