<font color="#0000FF">Sound/Light/Gradienter/Magnetic/Compass</font> meters are built in this application.

This display screen will show the <font color="#0000FF">minimum/maximum/average/current</font> values.

'<font color="#0000FF">Reset</font> button' is used to reset all minimum/maximum/average/current values to zero.
'<font color="#0000FF">Pause</font> button' is used to pause a meter. It will stop that meter. It can reduce the power consumption if you don't need use that meter.
'<font color="#0000FF">Record</font> button' is used to record the data, you can check the values later.
'<font color="#0000FF">List</font> button' is to check the old values you already record.

It could help you to check your ambient environment.

Others :
1. The accuracy is very depened on your device, especially the light/magnetic meter.
2. If you find some value is too larger, it maybe affect health. Recommand to buy a real accurate meter to double check it.

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