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236 Chapter4
Key Function Descriptions
Key Descriptions
ELAPSED
TIME Displays the cumulativeoperating time ofthe spectrum
analyzer. The value, which is expressed in hours,
appears in the active function block.
Front-panel key access:
RECALL
ERASE
TITLE Erases the current title from the display.
Front-panel key access:
DISPLAY
EXIT &
RESTORE Leaves the ACP menus, turns off the current function,
and restores the spectrum analyzer state to the
previous state. Exiting the ACP menus by pressing
other front panelkeys terminates the measurement but
does not restore the spectrum analyzer state.
Front-panel key access:
MEAS/USER
EXIT
ACP Returns to the measure/user menu.
Front-panel key access:
MEAS/USER
EXIT AMPCOR Exits the ampcor menu and returns to the calibration
menu.
Front-panel key access: CAL
EXT MXR PRE UNPR Not available with an 8560E/EC Option 002 and
non-functional in instruments with Option 327. Selects
either preselected external mixing mode or
unpreselected external mixing mode. This softkey sets
the external mixer type, but does not select external
mixing. Select external mixing with the EXTERNAL
MIXER softkey under
AUX
CTRL.
If the preselected external mixer mode is selected,
rear-panel output J8 of the analyzer is automatically
switched to the 0.5 V/GHz (FAV) mode with an output
of 1.5 V/GHz of the LO frequency. The 1.5 V/GHz of the
LO frequency definition is required for the Agilent
11974 Series preselected external mixers.
Front-panel key access:
CONFIG
NOTE There are two different types of external mixers available, preselected
and unpreselected. The EXT MXR PRE UNPR softkey function applies
only to the selection of the type of external mixer to be used. It does not
switch the analyzer from internal to external mixing.
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