6
3M
™
ScanEM-C Electromagnetic Near-
Field Probes Controls and Connector
Antenna
Level Dial
Sound Switch
LED Level Bar
Output
This is the
ScanEM-C’s
antenna.
Adjusts the
reference level
of the EM field.
Turns sound
indicator On
and Off.
Indicates
relative EM field
strength.
Provides AC and
DC output.
Stand-alone operation only
Point it at the
area or the
object you
want to check.
The closer the
antenna is to
the object, the
more accurate
the test result.
The level dial
is used to set
the “normal
background
level.” It also
works as a
squelch control.
The stronger
the emission
level, the higher
the pitch of the
sound.
Five LEDs
indicate relative
field strength.
The LEDs can
be used with or
without sound.
SMB male
connector.
Connects
ScanEM-C
Probe to a
spectrum
analyzer,
oscilloscope,
frequency
counter,
multimeter,
and other
instruments.
Operate Button
Keep this button
depressed when
you are using your
ScanEM Probe.
ScanEM-C is
“ON” as long
as this button is
held down.
Two AAA alkaline batteries are already installed in
each ScanEM-C Probe. See page 26 for instructions
on how to replace the batteries.