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LWX
$%QXlXl%
(Sequence Filenaming)
displays the current value of the loop counter and
allows
you
to change the value of the loop counter. Enter any number
from 0 to 32767 and terminate with the (x1) key. The default
value of the counter is zero. This command should be placed in
a sequence that is separate from the measurement sequence.
For this reason: the measurement sequence containing a loop
decision command must
call
itself in order to function. The
LAX@
%Zm
command must be in a separate sequence or the
counter value would always be reset to the initial value.
inserts the string “[LOOP]” into the filename.
accepts a power loss value for a segment in the power meter
cal
power loss list. This value, for example, could be the
difference (in
dB)
between the coupled arm and through arm of
a directional coupler.
presents the power loss/sensor lists menu. This menu performs
two functions:
w
Corrects coupled-arm power loss when a directional coupler is
used to sample the RF output.
n
Allows calibration factor data to be entered for one or two
power sensors.
Each function provides up to 12 separate frequency points,
called
segments, at which the user may enter a different power
loss or calibration factor. The instrument interpolates between
the selected points. Two power sensor lists are provided
because no single power sensor can cover the frequency range
possible with an HP 8753E.
(Option 010 only) sets the transform to low pass impulse mode,
which simulates the time domain response to an impulse input.
(Option 010 only) sets the transform to low pass step mode,
which simulates the time domain response to a step input.
sets the lower limit value for the start of the segment in a
limit line list. If an upper limit is specified, a lower limit must
also be
defined.
If no lower limit is required for a particular
measurement, force the lower limit value out of range (for
example -500
dR).
mega/micro
(lo6
/
1W)
waits for a manual trigger for each point. Subsequent pressing
of this
softkey triggers each measurement. The annotation
“man” will appear at the left side of the display when the
instrument is waiting for the trigger to occur. This feature
is useful in a test sequence when an external device or
instrument requires changes at each point.
B-24
Key Definitions