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Ampl Markers
Function Group
MARKER
Menu Map
3
Description
Active markers are normally displayed as intensied dots on a CRT
display. With
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Ampl Markers
selected, active markers are displayed
as amplitude spikes (an abrupt discontinuity in the sweep trace).
The marker amplitude can b e varied. The swept signal generator
displays:
--> AMPLITUDE MARKER SIZE: XXXX dB
. Where XXXX
represents an amplitude value. Use the rotary knob, the step keys,
or the numerical entry keys with the dB(m) terminator key to
set the desired value. If a small change is required, the left and
right arrow keys can b e used to underline the digit to b e changed.
Select
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Ampl Markers
again to return to the normal intensied dot
representation. See \Specications" for the range of acceptable
amplitude values. An asterisk next to the key lab el indicates this
feature is active.
Programming Codes
SCPI:
MARKer:AOFF
Analyzer:
AK1 function on, AK0 function o.
See Also
4
MARKER
5
\Marker Operation" in Chapter 1
\Setting Up A Typical Sweep, Example Program 3" in Chapter 1
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AM Type 10 dB/V
Function Group
MOD (MODULATION)
Menu Map
4
Description
This softkey (Option 002 only) scales the amplitude mo dulation
exponentially. Amplitude mo dulation lets the RF output of the
swept signal generator b e continuously and exponentially varied at
a rate determined by the AM input or at a rate set by softkey for
internal AM. See \Sp ecications" for the AM characteristics, input
range, and damage level. An asterisk next to the key lab el indicates
that this feature is active.
A-18 Operating and Programming Reference
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