Racal Instruments 2151 Manual page 53

20 ghz and 2.6 ghz vxi counters
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TABLE
4.14b
Device
Dependent
Commands
(Continued)
Ref.
B5
-
Ratio
B/A
Selects
the
ratio of
Channel
B
to
Channel
A. Optional
number
(num)
data, in
the
range
of
3 to 10,
is
the resolution required.
If this
data
is
missing then the previous resolution
will
be
used.
Ref.
B6
-
Ratio
C/A
(2151 only)
Selects
the
ratio
of
Channel
C
to
Channel
A. Optional
number
(num)
data, in
the
range
of 3 to 10,
is
the
resolution required.
If
this
data
is
missing then the previous resolution
will
be
used.
Ref.
B7
-
Ratio C/B
(2151 only)
Selects
the
ratio
of
Channel
C
to
Channel
B. Optional
number
(num)
data, in
the
range
of
3
to
10,
is
the resolution required.
If this
data
is
missing then the previous resolution
will
be
used.
Hardware
Control
Ref.
B8
-
Channel
A
Attenuator Control
Controls the
Channel
A
x20
attenuator.
'ON
5
switches
in the
attenuator
and
'OFF'
switches
it
out.
2151
OPS
Al
5
7
1/DA
ALOl/Iss.01/03.94
4-29

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