Agilent Technologies E4440A manual Front and Rear Panel Features, Front Panel Overview, Chapter

		Front and Rear Panel Features
			Front Panel Overview
Ite	Description	Associated Function Keys
m
11	Data invalid indicator	Asterisk (*) means some or all trace data may not match
		annotation due to possible analyzer setting changes.
12	Status message area	Displays status messages (see “Types of Spectrum
		Analyzer Messages” on page 77).
13	Key menu title	Dependent on menu selection.
14	Softkey menu	Softkey labels
15	Frequency span or stop frequency	Span or Frequency, Stop Freq
16	Sweep timea	Sweep, Sweep Time
17	Video bandwidtha	BW, Video BW
18	Frequency offset	Frequency, Freq Offset
19	Display status line	Displays informational and error messages (see “Types of
		Spectrum Analyzer Messages” on page 77).
20	Resolution bandwidtha	BW, Res BW
21	Center frequency or start frequency	Frequency, Center Freq or Start Freq
22	Internal preamp	Amplitude, Int Preamp
23	Auto alignment routine status	System, Alignments, Auto align
		(If auto alignment is off, no indicator appears)		Front
		AA: auto alignment of all	AL: analyzer alerts you
		analyzer parameters.	when alignment is	and
			needed.
				Rear
24	Trigger or Trace	Trig or Trace/Avg
				Panel
		Trigger & sweep modes:	Trace modes:
		F: free-run trigger	W: clear-write
		X: external (front) trigger	S: store blank	Features
		R: external (rear) trigger	m: minimum hold
		L: line trigger	M: maximum hold
		V: video trigger	V: view
		C: continuous sweep	1: trace 1
		S: single sweep	2: trace 2
			3: trace 3
25	Averagea	Trace/Avg, Average: The	VAvg: voltage average
		number shown indicates	LgAv: log power average
		current average number.	PAvg power average
26	Display line annotation	Display, Display Line
27	Amplitude offset	Amplitude, Ref Lvl Offst
28	Amplitude scale	Amplitude, Scale Type or Amplitude, Scale/Div

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