HP 8340A Operating Manual page 61

Markers are also used in exactly the same way with
CF/tiF frequency swept mode, so at his point press
. , then to recall the CF/AF swept mode
settings stored in register 3 to continue with the
marker examples. The HP 8340A should once again
be sweeping around a 4 GHz center frequency.
Markers are very easy to use, especially if you let
the do the work for you. Try this example:
and
Press
you are starting with a clean slate), then press
will come up with its most recent frequency;
however, at the first turn of the
quency of will jump to the center frequency of
the current sweep; that is, if
MHz it will jump to 4.0 GHz as soon as the
is turned. The 4 other markers can be brought into
the sweep field in the same manner.
The final example of using markers is
which changes the center frequency of the sweep to
the frequency of one of the markers, which is
another way of focusing in on a selected portion of
the CRT trace. First, press one of the marker keys (the
one that you want to become the center frequency)
to bring that marker into the ENTRY DISPLAY. Then,
SAVE
n
state
Stores instrument
n (1-9).
0
111, � IY I
rn
Vfrl
SHIFT,
LOCAL
Causes the H P·I B address to appear in
the ENTRY DISPLAY.
to turn off all markers (so
the fre­
came up at 144.5
RECALL n
register
in Recalls
SAVEd in register n
--
MKR
1. Press one marker M1-M5.
2. Press MKR -- CF.
The center sweep frequency (CF) will
change to the frequency
Scans by HB9HCA and HB9FSX
press
to the marker frequency. Your can re-use the marker
that just became the center frequency.
Markers are indispensable for swept frequency
measurements, so practice with them until you are
completely comfortable with their many features.
RECALL INSTRUMENT
CONFIGURATIONS
For the final Local Operation example, you will
recall all of the instrument modes you previously
created and saved (with the
key .
the
To recall any previously stored instrument con­
figuration (stored by using the
then the number of the storage register
(1 - )
. For example:
9
[(:�f�£W��{\1_). �-� recalls the CW configuration used
this Getting Acquainted guide.
r::�
recalls the start/stop sweep exam pie
used in this guide.
instrument state previously
(1-9).
CF:
Summarize operation procedures.
of
the marker.
9
..
to change the center frequency
key) by using
key), Press
·ENTAYOl5rl.. A Y
B�B0
8GGO
8000
Information Cards
in·