iDevices Air Quality Sensor, Installation And Operating Instructions Manual

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8.4.3 Analysis of Air Quality
1. Click „Today“ in the upper right corner.
2. A drop-down list opens in which you can view historical data for up to 365
days.
3. By moving two fingers apart or together, you perform the zoom gesture,
which alters the scale of the axis and allows you to change the viewing
period.
4. Press „Reset Zoom“ to set the scaling of the axes to original.
Note: Please note that the image of Y-axis is a logarithmic image. This allows proper
presentation of the data, which contains a big value of magnitudes. A logarithmic
image does not show a numerical value, but the power compared to basis data.