1) Open the battery case cover and take out batteries. Turn the left switch to the downside
place to disable alarm. Turn the left switch to the upside place to enable alarm. Symbol
“ALM” means alarm is enabled.
2) If the measured instantaneous value is exceed the limitary value and if the alarm is
enabled the symbol “
” will appear.
4-5-6 Disable automatically turning off function
1.
Long press
key to disable or enable the
automatically turning off function. When you enable the function the symbol “
” will
appear. When you disable the function the symbol “
” will disappear.
4-5-7 Switch on/off background light
Open battery-case cover and take out batteries. Turn the right switch to the downside place to
switch off the background light. Turn the right switch to the upside place to switch on the
background light.
4-6 Measurement
Important illustrate:
The following influence should be noticed for all the electric field intense meters:
If you quickly move the sensor the measured value will be bigger than the real electric field
intense. This is the influence of static discharging.
Advise
：
Please hold the meter stably during measurement.
4-6-1 Short time measurement
Application
：
When you get in an exposed region of an electromagnetic field, in order to know the feature
and direction of an unknown field please use the instantaneous value mode or maximum
instantaneous value mode.
Procedure
：
1.
Hold the meter with one hand.