HP 54620A User's And Service Manual page 38

Keypad and Softkeys
There are three types of keys on the front panel:
•
White keys have an immediate action, such as starting or stopping the
analyzer. There are no menus associated with white keys.
•
Gray keys bring up softkey menus, allowing you to modify the instrument's
measurement configuration.
•
Softkeys under the display dynamically change to indicate currently valid
menu selections. Softkeys that are blank (that is, for which there is no
corresponding label) have no function in the selected menu.
Some keys, such as
On/Off
while in the menus that they activate.
Control Knobs
The HP 54620A has six control knobs. The HP 54620C has five control knobs;
it does not have an intensity control knob.
•
The Time/Div knob changes the current time base setting (sweep speed)
of the analyzer in Main or Delayed sweep. The setting of the timebase
affects sample rate and other analyzer functions as well. See chapter 4,
"Ensuring Accurate Measurements," for more information.
•
The Delay knob sets the delay time with respect to the time reference in
either Main or Delayed sweep.
•
The Select knob chooses the channel on which the next action will operate.
•
The Position knob moves the selected channel to a new vertical position
on the display.
•
The Entry knob selects from multiple choices in menus. It also
occasionally duplicates the function of the Select knob.
•
The display intensity knob (HP 54620A only—marked only with an
intensity symbol) adjusts display brightness.
and , also have special functions
Label
Getting Started
Learn the front panel
37