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Model 5344S
Operation and Programming
Due to the design of the 8350A sweeper, manually tuning it for
LOCK/ROLL operation with the optional configuration is less convenient
than when using the preferred method. For sweep times less than or equal
to 100 ms, the 8350A waits until the end of a sweep before updating the
output frequency to reflect the changes made at the front panel. Since the
5344A stops the sweep to allow tuning of the sweeper's start frequency,
turning the 8350A's RPG or using its keyboard changes the sweeper's
frequency display, but does not actually change the output. To changethe
start frequency, press EXT SWEEP TRIGGER on the 8350A front panel while
tuning the LOCK/ ROLL start frequency. This forces an immediate update
to the output frequency. After the sweeper has been tuned and the 5344S
locks, press INT or LINE SWEEP TRIGGER to start the sweep. Alternatively,
the 8350A's SWEEP TIME can be set greater than 100 ms for tuning, then
returned to the actual desired value after lock is achieved.
Counting Sweeper Markers or Stop frequency:
If the counter being used with the 5344A is a 5343A, the markers of the 8350A or Stop frequency of the
sweep can be counted during Lock and Roll (only the sweeper can generate markers during Lock and
:"
Roll).; The following connections are required for this feature:
With the preferred method:
8350A CNTR TRIG to the 5343A rear panel SWP INTFC A
8350A STOP SWEEP to the 5343A rear panel SWP INTFC B
With the optional method:
8350A CNTR TRIG to the 5343A SWP INTFC A
After setting up the Lock/Roll sweep, you can count the markers or Stop frequency by:
1.
Pressing STOP on the 8350A. This selects which parameter is to be measured by the 5343A.
2.
Pressing:
[SHirrJ
(blue key)
on the 8350A.
This enables the counter interface function on the 8350A.
Whenever the 5344S Option 043 is locked in Lock/Roll, the sweeper interface function of the 5344S is
automatically enabled. If the 5344S is not locked, simply press SWP M on the 5343A to enable the sweeper
interface.
If you wish to count one of the markers on the 8350A, the operation is quite similar, except that you would
select the marker you wish to count in Step 1 above, rather than the sweeper STOP frequency.
To disable the sweeper/counter interface feature, press:
|SHIFTj
(blue key)
on the 8350A.
Figure 3-11. Lock and Roll in Manual (Continued)
3-39
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