Operating Manual EMI TEST RECEIVER ESIB7 - Rohde & Schwarz

Frequency and Span - Analyzer
ESIB
Frequency Span – SPAN Key
FREQUENCY – SPAN menu:
FREQUENCY
CENTER/
FREQ
SPAN/
ZOOM
START STOP
SPAN
SPAN
MANUAL
START
FIXED
CENTER
FIXED
STOP
FIXED
ZERO SPAN
FULL SPAN
The SPAN key opens a menu for setting the sweep span.
The SPAN MANUAL softkey is automatically active and
opens the entry window for manual input of the span. At
the same time, the parameter coupling is set to CENTER
FIXED.
The START FIXED, CENTER FIXED and STOP FIXED
softkeys are mutually exclusive selection switches. Only
one switch can be active at any one time. The frequency
coupling is selected with these softkeys. The frequency
coupling defines which of the dependent parameters start
frequency, center frequency or stop frequency is to remain
constant when the span is changed
LAST SPAN
ZOOM
FREQ AXIS
LIN LOG
SPAN
MANUAL
The SPAN MANUAL softkey activates the manual entry of the span.
The span entry range is for:
time domain (span = 0):
0 Hz
frequency domain (span > 0):
minspan ≤ f span ≤ f max f span frequency span
minspan smallest selectable span (10Hz)
f max max. frequency
IEC/IEEE-bus command
:[SENSe:]FREQuency:SPAN 10MHZ
ZERO SPAN
The ZERO SPAN softkey sets the span value to 0 Hz. The x axis becomes
the time axis. The axis labelling corresponds to the sweep time (on the left, 0
ms, on the right, the current sweep time (SWT)).
IEC/IEEE-bus command :[SENSe:]FREQuency:SPAN 0HZ
1088.7531.12 4.162 E-15