Operators Familiarization
-22
15A Operators
The follow
in
g procedure should be used whenever the
probe tip is connected
to
a signal source having a different
de level than th
at
previously applied, especially if the de-
level difference is more than 1 O times the VOLTS/DIV
switch setting:
1. Set the Input Coupling
sw
itch
to
GND.
2. Insert the probe tip into the oscilloscope GND connec-
tor
and
wait several seconds for the input coupling capacitor
to
discharge.
3-2
3. Connect the probe tip
to
the signal source and wait
several seconds f
or
the input coupling capacitor
to
charge.
4. Set
th
e Input Coupling switch
to
AC. The display will
remain on the screen, and the ac component
of
the signal
can be measured in the normal manner.
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