User's Guide

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4.5 Advanced Settings
4.5.1 Calibration Settings
ToolBox supports numerical calibration for all items. Go to “Device -> Settings -> Calibration
Settings” of ToolBox App to type the calibration value and save, the device will add the
calibration value to raw value.
Besides numerical calibration, ToolBox provides more calibration methods for CO
2
:
Manual Calibration: Put the device in an open outdoor environment for more than 10 minutes
and click this button to calibrate the CO
2
value.
Restore Factory Calibration: Clean the manual calibration and turn back to factory calibration.
Auto Background Calibration: When enabled, keep the device work in a well-ventilated
environment for 7 days, then disable the calibration.
4.5.2 Threshold Settings
Go to “Device -> Settings -> Threshold Settings” of ToolBox App to enable the threshold
settings and input the threshold.
For temperature, it will upload the current data once instantly when temperature is over or below