Agilent Technologies E4406A, User Manual

Page: 35 / 230

Chapter 1 35
Getting Started
Display Annotation
ESec (even second clock) - The green
ESec
annunciator indicates that the external even second
clock has been selected as the sync type and a sync
signal is present at the even second input (rear
panel Trigger In), and the measurement is using it
as the demodulation sync type. The red
ESec
annunciator indicates that an external even second
clock has been selected as the sync type but a sync
signal is not present at the even second input (rear
panel Trigger In). In this case, the error message
Even Second Clock Missing
will appear in the
Status/Info bar at the bottom of the display. The
even second clock detection is updated every 2
seconds.
9. System Bar.
10. Time and Date.
11. Personality Mode Indicator.
12. Graph (Window) Title.
13. Averaging Indicator.
14. Remote Status Indicator. The remote status indicator
contains four letters: “R”,“ L”, “T”, and “S”. The current
status is indicated by the letters that are highlighted.
When highlighted, “R” indicates that the instrument is
in remote mode, “L” indicates a listen state, “T”
indicates a talk state, and “S” indicates a service
request.
15. Pass/Fail Status Indicator.
16. Menu Title.
17. Softkeys. A softkey that is currently active is
highlighted. Greyed-out softkeys are unavailable and
may require a password for use.
18. Span annotation.
19. Status/Info Bar. The current error message which has
the highest priority will appear in the Status/Info Bar.