Freq Count - HP ESA-L1500A User's And Calibration Manual

Front-Panel Key Reference

Freq Count

Freq Count
Freq Count
and then sets
turns on the marker counter when
Marker Count On
Off active before
center of the display. Press
underlined), to turn the marker counter off. Press
to change the marker counter resolution to an uncoupled value.
An (*) may appear in the upper right area of the display along with the
message Marker Count. The ratio of the resolution bandwidth to span
must be greater than 0.002 for the marker count function to work
properly. Marker Count Widen Res BW appears on the display if the
bandwidth to span ratio is less than 0.002. Widen RES BW indicates
that the resolution bandwidth must be increased.
Key Access:
allows the resolution of the marker counter to be selected manually or
Resolution Auto
Man auto- coupled. The marker counter has a resolution range of 1 Hz to
100 kHz. The available resolution values are 1 Hz, 10 Hz, 100 Hz,
1 kHz, 10 kHz, and 100 kHz. The resolution can be changed by using
the step keys or by entering the resolution using the numeric keypad or
knob. The marker counter resolution can be auto coupled to the span by
pressing
Auto Man
Key Access:
82
activates the
Marker Normal
Marker Count On Off
Marker Count On Off
Marker Count On Off
Freq Count
so that Auto is underlined. The
Resolution Auto Man
softkey function is not affected by pressing
Freq Count
function if there are no markers,
to On.
is underlined. If no marker is
On
is pressed, a marker is activated at the
(so that
Count Resln Auto Man
Auto Couple
is
Off
Resolution
.
Chapter 4