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Model 5355A
Operation and Programming
3-42.
Offset Measurements
3-43.
To make offset measurements proceed as follows (see
Table 3-4):
a.
Make a CW measurement or a pulsed RF measurement as listed in the applicable
procedures in the above paragraphs.
NOTE
In the following step, the offset frequency will be
preceded by a minus (-) sign for a negative offset.
SfLfcr
To change to a positive offset, press the Q
CMA.NOL
SION
b.
Press the
n
fREo'
key to display the offset frequency.
MANUAL
il_
I «
or the I •
_jJ
uPilW
afF-sEi
DN.'IJW
key to change the value of the offset frequency
c.
Press the
displayed.
d.
Use the RS
key to expand the display, the
key to move the decimal
point and
PULSE
UNITS
key to change the units annunciators as described in
Table 3-1.
e.
Pressthe [ • ]|
^
key to extinguish the key indicator and enter the MEASUREMENT
mode. The input signal should be displayed.
f.
Press
R:r
key to illuminate the key indicator and display the resultant frequency
(sum or difference of input signal frequency and offset frequency. Will be the difference
if offset displayed was preceded by a minus (-) sign).
3-44.
Set Last Measurement Function
3-45.
The SET LAST MEAS function (labeled on the front panel) is used in theoffset mode or the
manual mode to automatically store the last measurement as a negative offset or as a manual
center frequency. This function is accomplished by pressing
sn iA>.r
f>fC »t
fULSE
UNITS
keys simultaneously
while in the offset or manual data entry mode. Refer to
Table 3-5
for an example of the SET
LAST MEAS function.
3-10
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