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1.15.3
Reference Frequency
Multiplier
(Option
10)
1.15.3.1
The
reference
frequency
multiplier
is
a
phase-locked
multiplier
which
permits
the use of external
frequency standard
signals at
1
MHz,
2
MHz,
5
MHz
or
10
MHz.
The
multiplier
can be
installed
by
the
customer;
instructions
are given
in
Section
2.
1.15.4
1.3
GHz
Input
C
(Option
41)
1.15.4.1
This provides the
1994 with high-frequency
measurement
capability
to 1.3
GHz.
1.15.5
Fixed-Mount
Rack
(Option
60)
1.15.5.1
This
permits
fixed 19-inch full-rack
installation
of the 1994.
See Subsection
2.5.2
for
field installation.
1.15.6
Slide-Mount
Rack
(Option
65)
1.15.6.1
This
permits standard
19-inch
full
rack
installation
with
slides for
the 1994.
See Subsection
2.5.3 for field installation.
1.16
SAFETY
1.16.1
The 1994
incorporates
a
protective earth terminal and
is
designed
to
meet
international
safety requirements.
Refer
to the
safety
page
"FOR
YOUR
SAFETY"
immediately preceding
the
Table
of
Contents.
Follow
all
NOTES. |CAUTIONS|
.
and
WARNINGS]
to
ensure personal safety and prevent
damage
to
the instrument.
1-5
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