INSTALLATtON
AND
OPERATION
Related Operations
Amplitude Fixed Range
Bright-Digit Edit Entry
Relative Function
Step Entry
2-23.
Amplitude Fixed
Range
The
following information describes how to use the Fixed-Range special
function.
This
special
function fixes the current
amplitude
range (holds the currently selected step of
the
Step
Attenuator). This
function allows monotonic
and nontransient
level control
over a
limited
range around those levels where the Step Attenuator normally autoranges.
This
level
control may be
accomplished
with the
Bright-Digit
Edit
Entry only.
The level vernier in
fixed range has
at least 12 dB of range.
Command Syntax
Select Fixed Range
--
Enable or Disable
Summary
COMMAND
NOTES
Enable Fixed Range
Local; ISPCl: Z91
—
Hi: 1
Remote; "SP"
"9" —
"1"
Disable Fixed Range
Local: :spCLT 119 :
—
:o: Z
Remote;
"SP"
"9" --
"0"
Example
Set
the Generator for monotonic and nontransient amplitude control
(Bright-Digit
Edit
only) over
the range of the vernier level control
below
0.25V.
Local; CAMPtJ L.l
Z21
C5: IlMHz|V3 CSPCU L91 Hi:
Remote: "AP.25V/SP91
"
Notes
1. The
amplitude
range is fixed only for Bright-Digit Edit operations.
Other
methods
of
changing the amplitude cause the step attenuator to autorange if
necessary,
2,
With amplitude fixed range disabled, amplitude ranging occurs at
1
/
2V, I
/
4V,
1/8V,„, ]/223VwithAMoffand 1/4V, 1/8V,
I/16V,.,,
1
/22^
V with AM on.
Related Operations
Bright-Digit Edit
Entry
Relative Function
2-16
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