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10
INSTRUMENTS
INSTRUMENTS
Measuring Non-Contact Field Measurement
To measure the detected AV voltage or magnetic field close the clamp
around the object to detect the motion. The analog quantity is “EF” when
it is ≤ critical voltage and will display as “———“, different variations of
buzzing will distinguish the intensity of detected field.
Note: When the unit is in NVC
measurement mode, pull out
the testing probe to avoid
electric shock.
Backlight
Press the HOLD button for 2 seconds to turn on the LCD backlight.
Automatically Turns Off
If the unit is left unused for 15 minutes it will automatically turn off to
save power. Press the SELECT button in shutdown mode to power it
on. The buzzer will make 5 sounds prompting the cancellation of the
auto off function. Turn it off and then restart, the auto off function will be
recovered. The buzzer will send 5 continuous alarming sounds, and then 1
long alarming sound before the product automatically shuts down. When
the auto off function is canceled, it will send 5 alarming sounds every 15
minutes.
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