B&K Precision 2658A - Manual - Manual (Page 39)

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16. Calculation Function
When is pushed, the following function menu is displayed.
* By pushing , the sweep is restarted.
* By pushing
~
, the calculation function is selected.
By rotating , the number of times of the sweep can be set.
16.1 NORMAL Mode
1. When is pushed, the normal mode is set. The calculation is not performed in this mode. The
number of times of the sweep is infinite. This mode is normally used.
* When this mode is set, “NORMAL” is displayed in the CALC area on the screen.
(Refer to “4. Explanation of Screen” for the details.)
16.2 MAX HOLD Mode
1. By the operation of , the number of times of the sweep in the MAX HOLD mode
is set.
2. The update spectrum data is compared with the data left last time at each point, and the larger one is retained
and displayed.
2 4 8 16 32 64 128
256 512 1024
* *
(infinite)
* When this mode is set, “MAX --- (number of times)” is displayed in the CALC area on the screen.
(Refer to “4. Explanation of Screen” for the details.)
16.3 MIN HOLD Mode
1. By the operation of , the number of times of the sweep in the MIN HOLD mode
is set.
MIN HLD
* *
AVG
56
OVRWR
* *
SPRI FR
OFF
F1 F2 F3 F4 F5 F6
NORMAL MAX HLD
* *
CALC
HOLD / RUN
F1 F5
F1
F2
F3