Overload
Active Probes
Probe ID
When the input impedance is
to
and the input voltage
exceeds 5
the 1
will
overload,
the input
The
show
1
and the
display the message: “Input channel N overload
=
To reset the input impedance to 50
first correct the overload condition, then
from the
menu.
Using an active probe, such as the
eliminates two options: AC Coupling
and
input impedance. Coupling options available when using such a
are Off and DC; the only
available
The
function is the means of
how the 11401 or
to an
button-push of
ded
(The Pmbe ID
Function is
of the
menu, which is selected from the
Utilities major menu.) All, or
of the following operations
be
to start in
to
buttons. To display the Utility major
menu, press the front-panel
button. For details,
the Probe
and
Function part of the Utilities
in the 11401 and
Pressing the
ID button
one of the following operations:
1.
If the
ID
the Probes
menu of the Utility
major menu) is set to
the next front-panel
be
the Probe ID Function
to Sequence
Settings, then operation 2 or 3,
involve a new
and
waveform
occur.
option
front-panel settings can be
via the Probe ID
The
must he
stored as explained under
ar Recalling Waveforms in the 11401
and 11402 User’s Reference
If the Probe ID
(in the
menu of the Utility
major
is set to Waveform
Wfm, a
waveform will
shows the
of decisions
to select a new
waveform.
Part
the llA3-4 in 11401 and