Messages - HP 54645A User's And Service Manual

Front-Panel Overview
Description of Front-Panel Areas
General Description
Front-Panel Areas
Display Regions The display is divided into the following regions:
2-12
The Position knob moves the selected channel to a new vertical
position on the display. The HP 54645D has an additional Position
knob for the DIGITAL channels.
The Entry knob selects from multiple choices in menus. It also
occasionally duplicates the function of the Select knob.
The Trigger Level knob (HP 54645A) and Trigger Analog Level
knob (HP 54645D) sets the trigger level for stabilizing a waveform
on the screen.
The Trigger Holdoff knob keeps the oscilloscope from triggering
for a specified amount of time.
The display intensity knob adjusts display brightness.
Activity/status indicators are along the top of the display. These
include channel status when selecting the Pattern and
Advanced trigger menus, and show whether digital channels are
turned on or off.
Channel numbers and labels are on the left edge of the display.
Waveforms are in the center of the display.
Measurement results and messages are just below the
waveform display area.
Softkey labels are along the bottom of the display.
Applies to Unit:
HP 54645A/D
HP 54645A/D
HP 54645A/D
HP 54645D
HP 54645A/D
HP 54645D
HP 54645A/D
HP 54645A/D
HP 54645A/D
HP 54645A/D