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SECTION 4
GPIB Interface
Main
Synthesizer
Sweep Parameter
Setting
Messages
(Cont.)
Function
SWEEP CENT-ER PERIOD
Program Code
Header
Parameter
Operation
and Setting Range
Inquiry
CTD
NR3
Sets sweep center frequency by period
Yes
(period: s).
Range:
0.86Ea6 (0.86~~ = 1.19MIHz)
to lO.OE+03 (10000s = O.lmHz)
Resolution:
0.01~s
Example:
CTD l.OOE+OO Us = 1Hz)
SWEEP SPAN- PERIOD
SND
NR3
Sets sweep span frequency by period
Yes
(period: 5).
Range:
0.86E46 (0.861s = 1.19MIw
to lO.OE+03 (10000s = O.lmHz)
Resolution:
0.01~s
Example:
SND l.OOE+OO (1s = 1Hz)
SWEEP -mR
PERIOD
CENTER mOM
MARKER
MKD
NR.3
Sets sweep marker frequency by period
Yes
(period: s).
Range:
0.86E-06 (0.86 !~LS = 1.19MHz)
to lO.OE+03 (10000s = O.lmHz)
Resolution:
O.O$s
Example:
MKD l.OOE+OO (1s = 1Hz)
CFM
NOIW
Assigns marker frequency to center fre-
NO
quency (assigns marker period to center pe-
riod).
WEEP TW
SWEEP -~-Cl-ION
SWEEP OFF
SWEEP ~O~INUOIJS
START
SWEEP SINGLE START
STM
SFN
SOF
SCN
NR3
NRl
NOW
NOW2
Sets sweep time(s).
Range:
5.OEa3 (5ms) to 9.999E+03
(9999s)
Resolution:
lms
Example:
5X-M l.OE+OO (1s)
Selects sweep function.
Range:
oto4
0:
I
1:
Lin
A
2:
Lin
A
3:
Log A
4:
Log u
Example:
SFN2(LEQl
)
Disables sweep.
starts continuous
sweep.
Yes
Yes
NO
NO
SSG
NOIW
Starts single
sweep.
NO
4-17
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