
Memory Math
Two trace math operations are implemented:
and trace math is done immediately after error-correction. This means that any data processing
done after error-correction, including parameter conversion, time domain transformation
(Option
scaling, etc, can be performed on the memory trace. You can also use trace math
as a simple means of error-correction, although that is not its main purpose.
All data processing operations that occur after trace math, except smoothing and gating, are
identical for the data trace and the memory trace. If smoothing or gating is on when a memory
trace is saved, this state is maintained regardless of the data trace smoothing or gating status.
If a memory trace is saved with
or smoothing on, these features can be turned on or off
in the
memory-only
display mode.
The actual memory for storing a memory trace is allocated only as needed. The memory trace
is cleared on instrument preset, power on, or instrument state recall.
If sweep mode or sweep range is different between the data and memory traces, trace math is
allowed, and no warning message is displayed. If the number of points in the two traces is
different, the memory trace is not displayed nor
However, if the number of points for
the data trace is changed back to the number of points in the memory, the memory trace can
then be displayed.
If trace math or display memory is requested and no memory trace exists, the message
CAUTION: NO VALID MEMORY TRACE is displayed.
Setting Display Intensity
. . . . . . . . . .
adjust the intensity of the display, press
and rotate the front panel knob, use
..... . . . . . .
.. . .
the keys, or use the numerical keypad to set the intensity value between 50 and 100
percent. Lowering the intensity may prolong the life of the LCD.
6 4 6 Application and Operation Concepts
Содержание HP 8753E
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