118 Chapter 2
Front-Panel Key Reference
Input/Output
Signal ID
Mode
Allows you to select either of the following types of
signal identification methods:
Key Access:
Input/Output, Input Mixer
Image Suppress
Selects a signal identification mode
that attempts to suppress all but valid
responses by mathematically removing
all image and multiple responses of
signals present at the mixer input. The
analyzer internally acquires the data in
a two sweep sequence, operates on the
acquired data, and displays the result
in Trace 1. Since two measurements are
taken for each display cycle, the display
update rate is reduced.
Key Access:
Input/Output, Input Mixer,
Signal ID Mode
Image Shift
Allows the analyzer, in a two sweep
sequence, to place data from the first
sweep in Trace 1, and data from the
second (frequency shifted) sweep in
Trace 2. Signal responses of Trace 1 and
Trace 2 having the same horizontal
position are considered to be in the
current band and therefore can be
analyzed with the amplitude and
frequency measurement systems of the
analyzer. All other responses are
invalid and should be ignored.
Key Access:
Input/Output, Input Mixer,
Signal ID Mode
Mixer Config
Accesses the Mixer Config menu keys allowing you to
manually set the harmonic, control the preselected
mixers, and adjust the internal bias source for use with
mixers requiring bias.
Key Access:
Input/Output, Input Mixer
Harmonic
Auto Man
The harmonic value with its associated
sign is automatically determined from
the Ext Mix Band selected when in
Harmonic (Auto) mode. Harmonic (Man)
allows you to enter a harmonic value
when required. If the harmonic mode
for the external mixer is listed as “8 –”,
for example, enter the harmonic
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