Agilent Technologies 8560E User Manual page 263

Agilent technologies 8560 e-series and ec-series spectrum analyzers
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PRESEL PEAK
The
NOTE
with preselected external mixers. The preselected configuration must
initially be set up using the
Chapter 4
Place a marker on the desired signal on a trace, then
press PRESEL MAN ADJ. The current preselector
tracking number, which is displayed in the active
function block, can be changed using the data keys, the
step keys, or the knob. The value ranges from 0 to 255.
If no marker is active, pressing PRESEL MAN ADJ
automatically activates a marker at the peak.
Executing the function affects data in the current data
table (which may be data from either the user or the
factory data tables). To save this data, use SAVE
PRSEL PK found under
When the PRESEL MAN ADJ softkey appears under
the EXTERNAL MIXER menu, preselector tracking of
external mixers can be adjusted. Pressing PRESEL
MAN ADJ causes the preselector tracking number that
applies to the marker frequency to be displayed in the
active function block. If no marker is active, pressing
PRESEL MAN ADJ automatically activates a marker
at the peak. When the tracking number is displayed in
the active function block, it can be changed using the
data keys, the step keys, or the knob. This tracking
number ranges from 0 to 255. It is initialized to 128
when entering the external mixer mode of operation or
whenever the band number is changed. Changing the
tracking number affects the data in the current data
table which may be a previously saved user data table.
The resulting value after changing this function is only
valid for the current band. To save this data, use the
SAVE PRSEL PK softkey found under
overwrites any previously saved preselector data
regardless of whether that data was generated while
using internal or external preselectors.
Front-panel key access:
Available only with preselected external
mixing.Displays the preselected external mixer softkey
menu. This softkey menu is available only when the
EXT MXR PRE UNPR softkey under
preselected (PRE) mode.
Front-panel key access:
softkey and its lower-level softkeys are for use only
PRESEL PEAK
.
SAVE
AMPLITUDE
AUX CTRL
softkey under
EXT MXR PRE UNPR
Key Function Descriptions
Key Descriptions
. This
SAVE
or
AUX CTRL
is set to
CONFIG
.
CONFIG
263

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