Overview Of Key Types - Agilent Technologies X Series Manual

About the Instrument
Front-Panel Features

Overview of key types

The keys labeled , , and are all examples of front-panel keys.
FREQ Channel System Marker Functions
Most of the dark or light gray keys access menus of functions that are displayed along the right side of
the display. These displayed key labels are next to a column of keys called menu keys.
Menu keys list functions based on which front-panel key was pressed last. These functions are also
dependant on the current selection of measurement application ( ) and measurement ( ).
Mode Meas
If the numeric value of a menu key function can be changed, it is called an active function. The function
label of the active function is highlighted after that key has been selected. For example, press
AMPTD Y
. This calls up the menu of related amplitude functions. The function labeled (the default
Scale Ref Level
selected key in the Amplitude menu) is highlighted. also appears in the upper left of the display
Ref Level
in the measurement information area. The displayed value indicates that the function is selected and its
value can now be changed using any of the data entry controls.
Some menu keys have multiple choices on their label, such as On / Off , Auto / Man , or Log/Lin (as shown
above). The different choices are selected by pressing the key multiple times. For example, the
Auto/Man type of key. To select the function, press the menu key and notice that Auto is underlined and
the key becomes highlighted. To change the function to manual, press the key again so that Man is
underlined. If there are more than two settings on the key, keep pressing it until the desired selection is
underlined.
Chapter 2 75