B&K Precision 2658A - Manual - Manual (Page 35)

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10. Display Scale
When is pushed, the following function menu is displayed.
10.1 Setting the Function Key
1. By pushing , 10 dB/div display scale is set.
2. By pushing , 5 dB/div display scale is set.
3. By pushing
, 2 dB/div display scale is set.
11. Resolution Bandwidth
When is pushed, the following function menu is displayed.
11.1 MANUAL Mode
By pushing or rotating , MANUAL mode is set.
By rotating , RBW is set as follows.
2650A/2652A/2658A: 3kHz 10kHz 30kHz 100kHz 300kHz 1MHz 3MHz
2651: 3kHz 9kHz 30kHz 120kHz 300kHz 1MHz 3MHz
MANUAL
RBW
AUTO ALL AUTO
F1 F2 F3 F4 F5 F6
10div/
SCALE
5div/ 2div/
F1 F2 F3 F4 F5 F6
SCALE
F1
F2
F3
RBW
F1