B&K Precision 2658A - Manual - Manual (Page 40)

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2. The update spectrum data is compared with the data left last time at each point, and the smaller one is retained
and displayed.
2 4 8 16 32 64 128
256 512 1024
* *
(infinite)
* When this mode is set, “MIN --- (number of times)” is displayed in the CALC area on the screen.
(Refer to “4. Explanation of Screen” for the details.)
16.4 AVERAGE Mode
1. By the operation of , the number of times of the sweep in the AVERAGE mode is
set.
2. The simple averaging process is executed at each sweep.
2 4 8 16 32 64 128
256 512 1024
* When this mode is set, “AVG --- (number of times)” is displayed in the CALC area on the screen.
(Refer to “4. Explanation of Screen” for the details.)
16.5 OVERWRITE Mode
1. By the operation of , the number of times of the sweep in the OVER WRITE
mode is set.
2. The image on the screen is not cleared at each sweep, and the overwriting display is executed.
2 4 8 16 32 64 128
256 512 1024
* *
(infinite)
* When this mode is set, “OVER WR” is displayed in the CALC area on the screen.
(Refer to “4. Explanation of Screen” for the details.)
* Only the last spectrum is saved.
16.6 SPURIOUS FREE Mode (2658A only)
1. By pushing , the SPRIOUS FREE mode, by which the spurious response at band 1- and band
1+ is simply deleted, is selected.
* “SPR” is displayed in CALC area on the screen.
(Refer to “4. Explanation of Screen” for the details.)
F4
F5
F6