R3132 Series Spectrum Analyzer Operation Manual
2.1.2 Screen Annotation
2-13
10
Frequency span or
Stop frequency
Frequency span of the current display (displays may differ
depending on the currently active function)
11
Resolution bandwidth (RBW)
Displays the current resolution bandwidth (RBW is preceded
by an asterisk (*) when set in manual mode)
12
Video bandwidth (VBW)
Frequency selected for the video bandwidth filter. VBW
value is preceded by an asterisk (*) when set in manual
mode.
13
Sweep time
Time required to make a single sweep. SWP is preceded by
an asterisk (*) when set in manual mode
14
RF attenuator
Current attenuator level. ATT is preceded by an asterisk (*)
when set in the manual mode
15
UNCAL message
Indicates that the measurement has not been calibrated
16
Preamp indication
Indicates that Preamp is using.
17
75
Ω
mode indicator
Indicates that the input impedance is 75
Ω
(nothing is dis-
played if the input impedance is 50
Ω
).
18
Trace point indication
Indicates that the trace points are 501 points (nothing is dis-
played if the trace points are 1001 points).
19
Active area
Used to display the currently active functions (note that the
data can be changed) and their related values
20
Level offset
Displayed when Level Offset is toggled on.
21
Average times
Indicates the number of sweep cycles and the current number
of times frequencies has been swept.
22
Video and external trigger levels Indicates the current trigger level.
23
Frequency offset
Displayed when Frequency Offset is toggled on.
24
Display Line
Indicates the current display line.
25
10MHz External
Displayed when the external 10-MHz signal is used as the
reference signal.
26
Squelch level
Indicates the level where the voice is demodulated.
27
Multi-screen mode
ZOOM, F/T, T/T, ACP, GATE or FMLN(OPT73) is dis-
played in Multi-screen mode.
28
HOLD mode
Indicates that panel keys are locked in the HOLD mode.
29
External mixer mode setting
display
Displays frequency ranges, harmonic orders and harmonic
polarities.
30
Signal identification function
display
Displays whether the Signal Identification function (Ident) or
Software Image Suppression function (Suppr) is turned on.
Annotation
Description