Sensitivity Key; Offset Key; Vertical Scaling Units - HP 54501A Operation Reference

chan/mem Key

sensitivity Key

offset Key

Vertical Scaling
Units
Displaying
Functions
Waveform Math Menu
9-4
•
only: The only function allows you to display the first operand and
scale it.
•
invert: The invert function inverts the data of the first operand.
.
With this selection key you select the second operand, or the waveform
manipnlated against the ftrst operand. Your choices are any of the
that
is
displayed channels or any of the memories.
key is not available if the operator
This
You may set the vertical sensitivity of the function with this key.
setting is for ease of viewing and making measurements with the newly
developed waveform.
You may set the offset of the function with this key.
The fundamental measuring units of an oscilloscope are volts/division in
the vertical axis and time/division on the horizontal
is used regardless of the mathematical function chosen. No provisions
have been made to manage units for all combinations of operands and
operations.
For exam ple, apply a + 2V signal to ehannel l and a -3V signal
displays the product as -QV, when in reality it
2. The
HP 5450lA
The
has several screen variations available to accommodate a
HP 5450lA
ehannel display, as well as two functions. The display may seem
4
confusing until you understand how the separate screens are displayed.
•
In the single screen mode with a function on, the mathematical resnlts
are displayed in the bottom half of the screen while the operands are
superimposed in the top half of the screen.
only or invert.
is
axis. This
This
pJillosophy
to
ehannel
_6V2.
is