HP 8530A, Руководство по эксплуатации и программированию, Страница: 150 / 439

A djusting the Display
The monitor should now be operational.
When external video conguration settings change
The instrument will never change external video settings once you have made them. The only
exception is if you load the operating system again, or change from HP 8530A operation to
optional HP 8510C operation, or vice versa. Changing between these two \modes" requires the
applicable operating system to be loaded.
Using Trace Memory
Y ou can store a measurement in one of eight trace memories and then compare it with the
current measurement trace data in any format. Using softkeys in the Display menu, the Data
and Memory traces can be displayed alone or simultaneously (Data and Memory).
In both single channel and dual channel operation the display data, memory , and trace math
operations are always uncoupled; you may select memory operations independently for each
channel.
Storing a Trace in Memory
Press the 4 DISPLA Y 5 key in the MENUS block to bring the top level Display menu onto the CRT .
F actory Preset selects
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DISPLAY: DATA for both channels , which displays the current data
trace .
T o store the current trace to memory , press:
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DATA ! MEMORY 1 .
Each parameter (in each channel) is saved to a predened memory register . F or example ,
P arameter 1 on Channel 1 is normally stored to memory register 1. The following table shows
the default memory registers for each parameter in each channel:
T able 5-7. Memory Numbers for Each P arameter on Each Channel
Channel/P arameter Memory Number
Channel 1
P ARAM 1 Memory #1
P ARAM 2 Memory #2
P ARAM 3 Memory #3
P ARAM 4 Memory #4
Channel 2
P ARAM 1 Memory #5
P ARAM 2 Memory #6
P ARAM 3 Memory #7
P ARAM 4 Memory #8
The memory in use is displayed in the DATA ! MEMORY softkey label.
Displaying the Memory Trace
T o display only the stored memory trace , press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DISPLAY: MEMORY . Notice that when the
memory trace is displayed:
The trace indicator for Cartesian displays (1 for channel 1 or 2 for channel 2), disappears .
This indicator is normally displayed at the end of the trace .
If a sweep is in progress , it stops .
Menus Block 5-67