HP 8340A Operating Manual page 60

MARKERS:
1. Press one M1-M5 kr.y.
2. Enter value.
3. Select f r e e cy unit.
u n
q
MARKER SWEEP
Press MKR SWEEP.
·
8340A will sweep between M 1-M2.
HP
For a second marker, press
This process can be continued for all
markers. Note that the marker presently being dis
played in the ENTRY DISPLAY window is "active"
and as such can be controlled by the numerical
keyboard,
any marker key will make that marker the active
one.
As an example of the marl<er delta
press enter
V(�.�;::,'.�·��;_ : ; j
causes the frequency difference between
any two markers to be displayed in the ENTRY
DISPLAY window, and the CRT trace is intensified
between the two markers. Select the two markers
by pressing any two marker keys. For example,
u::! : '';t
press then
1x: t:�:;
/
and watch the ENTRY DISPLAY for the frequency
MARKER DELTA:
1. Press MK RL\.
2. Press any two markers
3. Read frequency difference in ENTRY
DISPLAY.
CF/L\F SWEEPS:
1.
press
2. Enter value.
3. select frequency
4. Press L\ F.
5. Enter value.
6. Select frequency unit.
5
and
keys; pressing
function,
, and press
an d fin al ly
I
Scans by HB9HCA and HB9FSX
START/STOP FREQUENCY SWEEPS:
1. Press ST A RT FREQ,
2. Enter value.
3. Press freq unit.
M1-M5. 4. Press STOP FREG.
5. Enter value.
6.
SWEEP TIME:
CF. 1.
nit.
ll
1. Press SWEEP TIME.
2. Enter value.
3. Press set
differences; Press
function.
traces as for example, in measuring the
bandwidth of a bandpass filter on a network analyzer
display.
Once the
and
established, the Marker Sweep function will change
the start/stop frequencies originally established to
the frequencies of these two markers. This can
serve as a "magnification" function that you can use
to focus in on a selected portion of the CRT trace.
As an example, press
change the start/stop sweep frequencies to the fre­
quencies of markers
works only with
again to turn off the Marker Sweep function and
return the sweep to its previous start/stop limits.
B
Pross froq unit
Press SWEEP TIME, then
AUTO to
get fastest possible sweep.
or
or
msec.
again to turn off the
is a useful aid in examining CRT
Fi!�i markers have
which will
[/if?
i.i'i\1
and (marker sweep
and\/{�)). Press
dB
3
been