MRC EMF-831SD, Руководство по эксплуатации, Страница: 9 / 22

3. Pay special attention to measuring the neighboring vicinity for possible
radiation sources. Apart from active sources, those components connected
to a source may also act as radiators. For example, the cables used in
diathermy equipment may also radiate electromagnetic energy. Note
that metallic objects within the field may locally concentrate or amplify the
field from a distant source.
4-2 Data Hold
During the measurement, press the " Hold Button " ( 3-3,
Fig. 1 ) once will hold the measured value & the " HOLD " symbole
will be light, Press the " Hold Button " once again will release the data
hold function , ( 3-20, Fig. 1) HOLD symbole will be quenched
4-3 Data Record ( Max., Min. reading )
1) The data record function records the maximum and minimum readings.
Press the " REC Button " ( 3-4, Fig.1 ) once to start the Data Record
function and there will be a " REC " symbol indicator "
will be light.
2) With the " REC " Symbol is light on the display :
a) Press the " REC Button " ( 3-4, Fig. 1 ) once, the "
REC and MAX Symbol indicator will be light ,
and the maximum value will appear on the display.
b) Press the " REC Button " ( 3-4, Fig. 1 ) again, the
" REC and MIN " Symbol indicator will be light ,
and the minimum value will appear on the display.
c) To exit the memory record function, just press the
" REC " button for 1.5 seconds at least. The display will
revert to the current reading, red led indicator will be quenched
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