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Table
3.3
-
Frequency Measurement
(Cont'd)
9.
If
a
frequency below
50
kHz
is
to
be
measured
in
the
presence
of high freq-
uency
noise,
select the
FILTER
0
•
10.
If
external arming/gating
is
needed, connect
the
arming/gating
signal
and
enter
the required special
function
number.
Enable
special functions.
Refer
to
Subsection
3.4.8 for
special function
numbers
and procedures.
11.
Select the
HOLD modeQfor
single-shot
measurements.
Press the
RESET
(V)
while
in
HOLD
to trigger
a
new
measurement.
12.
If
external arming/gating
is
in
use, trigger
a
measurement
cycle.
13.
Ensure
that the
GATE LED
(n)
turns
on
during the
measurement
period.
3-21
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