VEVOR EM4556 Hoja De Instrucciones página 9

1. Power On/Off
Press and hold the "
tester. The display shows all thesegments briefly and the buzzer
sounds a longbeep. Then the tester enters the measurement mode.
To power off the tester, press and hold the "
Note:
Due to the possible electromagnetic fiel dinterference in the
environment, the displaymay show a small value after powering
on.This is not the malfunction of the tester.
2. Making Measurements
Hold the tester in hand with the sensing area of the tester slowly
approaching the electromagnetic radiation source to be tested (
refer to Figure 3 ). The testing value and the indicator bar(s) show
up to indicate the measured radiation intensity.
Note:
The radiation intensity increases as the tester gets closer to a
radiation source. The higher the measured radiation intensity, the
more indicator bars are displayed and the higher the testing value.
When the measured radiation value exceeds the tester's alarm
threshold ( EF>40V/m, MF>0.4μT, RF>10mW/m2 ), the warning
icon will appear on the display to show that the current radiation
level is high. If the audible alarm function is enabled, the buzzer will
sound.
OPERATION INSTRUCTION
" button for about 2 secondsto power the
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" button again.