Specifications

General
Front-Panel Areas
Description Applies to Unit:
Keypad and Softkeys Some keys, such as On/Off and Label also have special functions
while in the menus that they activate. Keys on the HP 54645A/D front
panels include the following:
White keys have an immediate action, such as starting or
stopping the instrument. No menus are associated with white
keys.
HP 54645A/D
Gray keys display softkey menus, allowing you to modify the
instrument’s measurement configuration.
HP 54645A/D
Softkeys below the display dynamically change to indicate
currently valid menu selections. A blank softkey has no function
in the selected menu.
HP 54645A/D
Control Knobs Control knobs on the HP 54645A/D front panels include the following:
The Time/Div knob changes the current time base setting
(sweep speed) of the oscilloscope in Main or Delayed sweep.
The setting of the time base affects sample rate and other
instrument functions as well. This control knob allows you to
zoom the waveform when the acquisition is stopped.
HP 54645A/D
The Delay knob sets the delay time with respect to the time
reference in either Main or Delayed sweep. This control knob
allows you to pan through the waveform when the acquisition is
stopped.
HP 54645A/D
The Select knob chooses the digital channel on which the next
action will operate.
HP 54645D only
Front-Panel Overview
Description of Front-Panel Areas
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