VEVOR EM4552 Instrucción página 6

1. Display
2. Radiation Strength Indicator LED
Green indicates a low level; Yellow indicates a medium level; Red
indicates a high level.
3. " " Button
Short press to change the magnetic field unit.
Long press to enable or disable the automatic power-off feature.
4. " " Button
Short press to lock or unlock the current readings.
Long press to enter or exit the MAX recording mode.
5. " " Button
Short press to enable or disable the audible alarm function.
Long press to turn on or off the tester.
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