HP 8590 E-Series User Manual page 216

measures the power and power spectral density in the channel bandwidth
CHANNEL
specified by the user. Two vertical lines on the display indicate the edges
POWER
of the channel bandwidth. The measurement can be made on a single
sweep or to continuously update at the end of each sweep. The center
frequency, reference level, and channel bandwidth must be set by the user.
If PARAM AUTO MAN is selected (AUTO is underlined), other settings will be
coupled and set automatically. PARAM AUTO MAN can be selected to manually
control all settings by underlining MAN. The measurement stops and the
spectrum analyzer is returned to its prior state when other functions are
activated. The channel power measurement responds like an rms power
measurement.
Front-Panel Key Access: I-1
allows the user to enter the channel spacing to set up the spectrum analyzer
CHANNEL
when using the measurement functions under the Power Menu softkey. When
SPACING
the power measurements are first accessed the initial value for channel spacing
is 25 kHz. Once the value is changed, the new value will be saved through an
instrument preset or power on. An error message will occur for invalid values
of channel spacing and channel bandwidth.
If one of the power measurements is active and the channel spacing is
changed, with PARAM AUTO selected, then the coupled spectrum analyzer
settings are immediately updated. If CONT MEAS is also selected, then another
sweep is taken and the measured results are updated.
Front-Panel Key Access: (j-1
clears the current screen title or prefix. This softkey is accessed under the
C l e a r
C h a n g e P r e f i x .
Front-Panel Key Access: a, CCONFIG], (jj), (RECALL), or m
Option 105 only. Option 101 is recommended.
CLEAR
clears all of the pulse parameters in the gate utility. It sets the value of pulse
width, pulse repetition interval, and reference edge to zero and turns off
the coupling of the pulse parameters to the resolution bandwidth, video
bandwidth, and sweep time.
Front-Panel Key Access: [ml
fir Option 103 only.
CLEAR
clears the displayed quasi-peak amplitude and quasi-peak marker (represented
QP DATA
by a diode symbol) from the spectrum analyzer screen. See the HP 85913,
HP 85933, HP 8594E, HP 85953, or HP 8596E Option 103 supplement
documentation for more information.
Front-Panel Key Access: [AUX]
Clear Change Title or
Key Descriptions 7-23