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Saving and Recalling Instrument States
Places Where
Ybu
Can Save
n analyzer internal memory
n floppy disk using the analyzer’s internal disk drive
n floppy disk using an external disk drive
w
IBM compatible personal computer using HP-IB mnemonics
What You Can Save to the Analyzer’s Internal Memory
The number of registers that the analyzer allows you to save depends on the size of associated
error-correction sets, and memory traces. Refer to the “Preset State and Memory Allocation”
chapter for further information.
You can save instrument states in the analyzer internal memory, along with the following list of
analyzer settings. The default
lllenames
are
REG<OlSl>.
n
error-corrections on channels 1 and 2
n
displayed memory trace
w
print/plot definitions
w
measurement setup
0
frequency range
q
number of points
0
sweep time
0
output power
0
sweep type
0
measurement parameter
Note
When the ac line power is switched off, the internal non-volatile memory is
retained by a battery. The data retention time with the 3 V, 1.2 Ah battery is
as follows:
Temperature at 70
OC
...................
250 days (0.68 year) characteristically
Temperature at 40
OC
..................
1244 days (3.4 years) characteristically
Temperature at 25
OC
...............................
10 years characteristically
What You Can Save to a Floppy Disk
You can save an instrument state and/or measurement results to a disk. The default filenames
are
PILEn,
where n gets incremented by one each time a
iile
with a default name is added to
the directory. The default
illenames
for data-only
llles
are
DATAnDn
(DATAn.Dn
for DOS),
where the
first
n is incremented by one each time a
iile
with a default name is added to the
directory. The second n is the channel where the measurement was made. When you save a
tie
to disk, you can choose to save some or all of the following:
n all settings listed above for internal memory
w
active error-correction for the active channel only
n displayed measurement data trace
n
displayed user graphics
n
data only
w
HPGL plots
Printing, Plotting, and Saving Measurement
Raaak~
4-N