4-23 File Chapter 4 — Spectrum Analyzer
4-30 MS20xxA VNA Master UG 10580-00166 Rev. C
measurement is automatically saved at the end of the sweep. The saved
measurement is named “LIM” followed by the date and time in the format:
LIMyyyymmddhhmmss. The time value in the file name will generally be
slightly earlier than the measurement time stamp shown in the file list,
since the file name is created at the time the limit violation is noted and
the time stamp is the time at which the measurement file is actually saved.
If a limit line has not been set, selecting this soft key results in the
on-screen message:
“You must have a limit ON first.”
… Sweep Complete On/Off
When
Sweep Complete is On, the measurement is automatically saved at the
end of a sweep. This is particularly useful for very slow sweeps. The saved
measurement is named “EOS” with a file name in the format:
EOSyyyymmddhhmmss.
Save Then Stop On/Off
When the
Save Then Stop soft key is set to On, the instrument will save just
one measurement when the Crossing Limit or Sweep Complete soft keys
are set to On, and the qualifying event occurs. Sweeping stops after a
measurement is saved. If it is set to Off, sweeping continues after a
measurement is saved and more measurements may be saved. The default
for this selection is Off.
Clear All
Pressing this soft key turns off both save on event conditions and sets Save
then Stop to Off, the default state.
Back
The Back key returns to the previous menu.
Save Screen as JPEG
This function saves a measurement trace as a graphics file. The saved
measurement can be named using the keypad to select numbers, the rotary knob
to highlight a number or character and pressing the knob to select, or by selecting
the soft key for each letter. Use the Shift key to select an upper case letter. Use
the Left/Right directional arrows to move the cursor position. Press Enter to save
Note
This feature should be used with care. With Save Then Stop set to Off (the
default) a large number of measurements can be saved when the Crossing Limit
or Sweep Complete soft keys are set to On, making it time-consuming to retrieve
saved measurements or to delete unwanted measurements. When there are many
saved measurements, the time required to display a file list can be several
minutes. When it is necessary to save many measurements, it is best to save them
to the memory module and then read them directly into a computer.
10580-00166C.book Page 30 Thursday, February 21, 2008 12:52 PM