78 Chapter 2
Instrument Functions: A - L
BW/Avg
Instrument Functions: A - L
2.3.6 Span/RBW
Selects the ratio between span and resolution bandwidth. A factory preset sets the ratio to
106:1. The ratio can be changed using the front-panel step keys, knob, or numeric keypad.
NOTE This key is grayed out when any of the EMI detectors are selected.
Key Path:
BW/Avg
Saved State: Saved in Instrument State
Factory Preset: 106:1
Range: 2 to 10,000
History: Added with firmware revision A.02.00
Remote Command:
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio <value>
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio?
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio:AUTO OFF|ON|0|1
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio:AUTO?
Example: FREQ:SPAN:BAND:RAT 200 sets a ratio of 200:1, and turns off the auto
coupling.
FREQ:SPAN:BAND:RAT:AUTO ON
FREQ:SPAN:BAND:RAT?
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