I
-
Front/Rear Panel
Display
1
I
I
The data ? status notation in the upper left corner of the display screen indicates that the analyzer source or
receiver parameters have changed since the last complete sweep.
2
The active measurement channel indicator is designated by a solid triangle
l)l.
The active measurement channel’s
data trace and other parameter data is indicated by being brighter than the inactive measurement channel’s data.
3
The measurement channel parameters for both channels always appear at the top of the display in this area.
I
I
4
The type of measurement for each measurement channel is displayed here. If a measurement channel is turned off,
the display says “Off’ hare.
6 This is the display format that is selected using the
I-)
key.
6
This is the
Scale/Oiv
that is selected using the
C-1
key, in units appropriate to the current measurement.
1
7
1
This is the reference level. This value is the reference line in Cartesian formats or the outer circle in polar formats.
I
The reference level is selected using the
(m)
key.
8
I
I
A
c’
appears hare when a user-defined calibration is in use. If the frequency span has been narrowed, the
notation becomes
“C?’
to indicate that interpolated error correction is
on.’
I
I
9
The message area is where you will receive messages from the analyzer from time to time. Most messages appear
only for a few moments before disappearing.
10
This area indicates whether the scale is absolute
(Absj
or relative
iflell.
I
11
I
I
The sweep indicator appears here in the lower left corner of the display when the analyzer is sweeping at a rate
of lass than 1.5 s. At sweeptimes above 1.5 s the sweep indicator moves ecross the screen with the data trace.
I
I
12
The reference level for the active measurement channel is indicated by a small triangle
1))
adjacent to the graticule
on the left.
13
Title
and date area.
14
Active entry area: used to enter or adjust values for operating parameters.
16
Marker annotation area.
I
I
16
1
When averaging is turned on, the average indicator appears hare.
1 If a
‘u’
lfor
uncalibrated) appears here at any time, your instrumenf will not
psrform
accurate measurements and needs servicing. See Table
10-l
in Chapter 10 far a list of Hewlett-Packard sales and service
offiies.
8-15
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